30mm LED Panel Mount Indicator Light with Wires Heavy-Duty Metal Pilot Light | FILN

Executive Summary & Commercial Overview

The 30mm panel mount indicator light (Model: FL1M-30FW-1) manufactured by FILN is a heavy-duty, ultra-large industrial status lamp engineered for demanding electrical control systems, automation machinery, and specialized equipment. Designed for B2B procurement managers, original equipment manufacturers (OEMs), and control panel builders, this robust pilot light provides clear visual status signaling across voltages ranging from 3V to 480V AC/DC. FILN, a professional electrical component manufacturer established in 2006, supports comprehensive wholesale, bulk purchasing, and custom manufacturing solutions tailored to global industrial requirements.

Featuring a durable metal housing constructed from copper alloy or black-plated zinc-aluminum, an integrated 2-pin wire lead configuration (20cm standard length), and a flat head design, this component ensures exceptional physical stability and reliable performance in harsh operating environments. It solves common industrial issues related to plastic housing degradation, thermal deformation, and connection failure under continuous vibration. With an ingress protection rating of up to IP67 when installed with its included silicone waterproof O-ring, it excels in outdoor electrical cabinets, renewable energy storage systems, marine consoles, and heavy machinery.

Key specifications include a 30mm mounting hole diameter, a visible outer diameter of 39.5mm, high-brightness LED illumination available in red, green, yellow, blue, and white, and polarity-agnostic non-polar lamp beads. Before placing bulk or custom wholesale orders, buyers should confirm specific operating voltages, wire length requirements, terminal connector preferences, and necessary international certifications such as CE, VDE, RoHS. FILN provides dedicated engineering support, rigorous factory testing, and flexible OEM/ODM production capabilities to fulfill specific industrial applications worldwide.

30mm LED Single Color Indicators Drawing

Key Takeaways & Buyer Decision Guide

  • Product Identity: Heavy-duty 30mm panel mount indicator light featuring a flat head metal profile and integrated wire leads.
  • Key Specification: Standard 30mm mounting hole size with an overall outer bezel diameter of 39.5mm for high visibility.
  • Material Construction: Durable copper alloy or black-plated zinc-aluminum alloy shell designed for extreme mechanical resilience.
  • Voltage Flexibility: Highly customizable operating voltage spanning from 3V up to 480V AC/DC for diverse power environments.
  • Protection Rating: IP65 to IP67 ingress protection achieved via a specialized silicone O-ring gasket.
  • Mounting & Wiring: Single-nut thread mounting paired with 20cm pre-wired leads for fast and secure electrical connections.
  • Target Applications: Industrial control cabinets, power distribution boxes, CNC machinery, and renewable energy systems.
  • Customization & OEM: Full factory support for custom wire lengths, special voltages, terminal configurations, and bulk wholesale orders.
  • Certifications: Manufactured under ISO9001 standards with compliance approvals including CE, VDE, RoHS, and CCC.
  • Procurement Support: Direct factory communication available for engineering inquiries, technical data sheets, and 3D CAD models.

What Is a Panel Mount Indicator Light?

A panel mount indicator light is an essential electrical status device installed on control panels, switchboards, and machine interfaces to visually communicate operational states, power conditions, or fault warnings. FILN manufactures a comprehensive portfolio of signal lamps available in both metal and plastic configurations, spanning mounting sizes from 6mm to 30mm. Termination choices include traditional pin terminals and direct pre-wired configurations. Specifically, metal indicator lights are manufactured with flat, convex, or recessed head profiles to match specific ergonomic and aesthetic requirements across diverse industrial applications.

The featured 30mm model represents an oversized, heavy-duty solution designed for high-visibility operational status indication on large machinery and power distribution units. To explore alternative dimensions or browse the complete collection, please visit the FILN metal indicator light category page. For direct procurement and technical evaluation, view the official product listing at the 30mm LED indicator product page.

FILN metal panel mount indicator light product lineup and variations

Product Overview & Engineering Principles

The FILN panel mount indicator light functions as a reliable electro-optical signaling device that converts electrical energy into clear visual feedback. Electrically, it utilizes a high-efficiency LED luminescent source paired with an internal current-limiting carbon film resistor, enabling direct connection across wide voltage ranges from 3V to 480V DC or AC without requiring external resistors. Mechanically, the unit relies on a single-nut thread mounting mechanism that clamps securely against control panel plates, reinforced by a precision-engineered silicone O-ring to prevent moisture and dust ingress.

Engineered for demanding industrial environments, this product eliminates the fragility associated with plastic indicator lamps. Its robust copper alloy or plated metal housing resists physical impacts, chemical exposure, and thermal degradation. Certified under strict global compliance frameworks including ISO9001, CE, VDE, RoHS, and CCC, this signal light provides industrial equipment manufacturers with a dependable, long-life component for power status monitoring, alarm signaling, and automation control feedback.

Quick Specifications

Product Description Panel mount indicator light with integrated wire leads
Indicator Light Model FL1M-30FW-1
Mounting Hole Size 30 mm (approx. 1.18 inches) with 39.5mm outer bezel
Operating Voltage 3V – 480V DC/AC (Fully customizable per client specifications)
LED Color Options Red (R), Green (G), Yellow (Y), Blue (B), White (W)
Waterproof Rating IP65 / IP67 (Dependent on proper panel installation)
Wiring Type 2PIN pre-wired lead (Standard length: 20 cm)
Head Type Flat head profile
Surface Quality Smooth and flat exterior without burrs, oxidation, cracks, or visible surface defects
Included Accessories 1x Indicator Light, 1x Waterproof O-Ring, 1x Plum Blossom Gasket, 1x M30 Locking Nut

Performance Parameters

Rated Operating Voltage 3V–480V DC/AC (Customized per customer requirements)
AC Frequency 50 / 60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength 1500V–1800V AC, no electrical breakdown or flashover
Operating Life 50,000 to 100,000 hours of continuous operation
Ingress Protection Rating IP65 / IP67 environmental sealing

Component Materials & Engineering Purpose

Component Part Material Specification Engineering Purpose
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical strength, impact resistance, and corrosion protection.
Lamp Holder PA66 Polyamide Ensures high thermal stability and electrical insulation safety.
Lampshade / Lens Polycarbonate (PC) Delivers high optical clarity, UV resistance, and light diffusion.
Luminescent Source High-brightness LED chip Offers energy-efficient illumination and extended operational lifespan.
Resistor Carbon film resistor Regulates operating current and adapts voltage levels safely.
Wire / Lead Wire PVC insulated copper wire Ensures reliable electrical conduction and flexibility during wiring.
Locking Nut Copper alloy Secures firm mechanical fastening against the equipment panel.
O-Ring Gasket Silicone / Silica gel Creates a watertight and dustproof seal achieving IP67 protection.
Lock Washer Stainless steel Prevents loosening caused by sustained mechanical vibration.

Environmental Performance Specifications

Application Scope: This specification applies to the FL1M series panel mount indicator light designed for demanding industrial environments.

Operating & Storage Temperature -40°C to +80°C
Operating Relative Humidity ≤ 85% RH at +40°C
High Temperature Test 96 hours exposure at 80 ± 2°C
Low Temperature Test 96 hours exposure at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% to 95% RH
Temperature Cycling Test Alternating between -40°C (30 min) and 85°C (30 min), 5 total cycles

LED Technical Specifications

Absolute Maximum Ratings (Ta = 25°C):

Maximum Forward Current (IFP) 20 mA
Reverse Voltage (VR) 5 V
Power Dissipation (PD) 60 mW
Operating Temperature (TOPR) -40°C to +80°C
Storage Temperature (TSTG) -40°C to +100°C
Lead-Free Soldering Temperature (TSOL) Max. 260°C for 3 seconds max.

Electro-Optical Characteristics (Ta = 25°C):

Forward Voltage (VF) 2.8V (Min.) to 3.2V (Max.) at IF = 20 mA
Reverse Current (IR) 5 µA Max. at VR = 5 V
Viewing Angle (2θ₁/₂) 60° typical at IF = 20 mA
Luminous Intensity (Iv) 500 mcd (Min.) to 800 mcd (Max.) at IF = 20 mA
Dominant Wavelength (λd) 520 nm to 525 nm (Green reference) at IF = 20 mA

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are tested and measured under the following standard atmospheric conditions:

  • Ambient Temperature: 5°C to 35°C
  • Relative Humidity: 45% to 85% RH
  • Air Pressure: 86 to 106 kPa (860 to 1060 mbar)

Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for the human eye response curve. Tolerance of luminous intensity measurement is ±15%, and voltage measurement tolerance is ±0.1V.

Applications by Industry

Metal indicator lights utilize high-strength copper alloy or stainless steel metal housings, providing superior impact resistance and an IP67 waterproof and dustproof rating suitable for industrial and heavy commercial environments. While plastic indicators are prone to aging, cracking, and thermal deformation over time, metal indicator lights adapt seamlessly to harsh working conditions, frequent operation, and high-reliability requirements. Below are typical application sectors:

1. Industrial Automation and Machinery Manufacturing

This sector represents the primary application environment for panel mount indicator lights exposed to continuous mechanical vibration, oil contamination, and physical impact.

  • CNC Machine Tools & Machining Centers: Control panels utilize red, yellow, and green metal indicator lights where green indicates normal operation, yellow represents standby or warning, and red signifies emergency stop or equipment faults. The metal housing resists cutting fluids and metal debris.
  • Automation Production Line Control Cabinets: Large power distribution cabinets and PLC control enclosures install 6mm, 8mm, and 30mm metal indicator lights compatible with AC220V and DC24V power supplies to display power circuit statuses.
  • Hydraulic and Pneumatic Equipment: Applied for pump start/stop and pressure limit warnings. Due to high equipment vibration, integrated pre-wired metal indicator lights secure internal LEDs firmly against wire breakage.

2. Outdoor Power & Renewable Energy Distribution Systems

Outdoor equipment is subjected to year-round solar exposure, precipitation, and extreme temperature fluctuations, demanding rigorous weather resistance.

  • EV Charging Stations: Outdoor DC and AC charging piles utilize flat head metal status indicator lights. Flashing blue or green indicates charging in progress, solid light indicates completion, and flashing red indicates leakage or ground faults. IP67 waterproof sealing ensures public durability.
  • Outdoor Power Distribution & Photovoltaic Combiner Boxes: Solar farms and municipal distribution boxes display high-voltage closing and inverter operating status across a -40°C to 80°C temperature range.

3. Railway, Commercial Vehicles & Marine Equipment

Vehicles and marine vessels endure severe mechanical shock and continuous vibration, alongside high salt-fog corrosive environments.

  • Engineering Vehicle Consoles: Excavators, cranes, and bulldozer dashboards utilize signal lamps for oil pressure, water temperature, and braking fault warnings.
  • Marine & Port Control Equipment: Cabin instruments and deck control boxes use plated metal indicator lights to resist marine salt corrosion, paired with silicone O-rings to prevent seawater intrusion.

4. Commercial Vending & Public Access Systems

Public-facing equipment is vulnerable to physical impact and vandalism, where plastic components break easily.

  • Vending & Ticketing Machines: Paired with vandal-resistant metal pushbuttons to indicate coin insertion, dispensing, and change status.
  • Gas Station Dispenser Panels: Complies with hazardous area electrical separation standards, providing safe optical status indication.

5. Medical Equipment & Food Processing Machinery

These industries require frequent chemical washdowns and sterilization, demanding high sanitation standards.

  • Food Filling & Packaging Machinery: Subjected daily to high-pressure hot water and chemical cleaning agents; IP67 metal indicator lights resist spray jets without internal component corrosion.
  • Medical Sterilization Equipment: High-temperature autoclaves utilize indicator lights to differentiate heating, sterilization, and exhaust phases.
Application scenarios of FILN metal indicator lights in industrial machinery

LED Indicator Color Meanings & Application Guide

Indicator light color conventions guide operators in interpreting equipment status instantly. Below is the standard industrial reference for the five primary LED colors offered by FILN:

  • Red: Typically signifies emergency, fault, stop, or high-risk hazard conditions (e.g., machine emergency stop or over-pressure warning).
  • Green: Denotes normal operation, ready state, power ON, or safe running conditions.
  • Yellow / Amber: Indicates caution, standby mode, pre-warning, or intermediate cycle phases requiring operator attention.
  • Blue: Frequently used for specific machine status, cooling active, manual mode, or communication link verification.
  • White: Represents general power ON, lighting active, or neutral system status without specific hazard implications.
Color Common Meaning Typical Equipment Status Recommended Application
Red Danger / Stop / Fault Emergency stop, trip, over-temperature CNC alarm panel, power disconnect warning
Green Normal / Safe / ON Machine running, circuit closed Main power distribution cabinet status
Yellow Caution / Standby Pre-heating, warning, low fluid level Hydraulic pump standby indicator
Blue Specific Status / Mode Cooling active, charging in progress EV charging station indicator light
White Neutral / Power Active Control power active, lamp test General instrumentation panel

Note: Indicator color conventions can vary by manufacturer, control system design, and regional industry standards. FILN provides single, dual, and tri-color configurations to accommodate complex control panel layouts.

Installation Guide

Proper mechanical installation ensures both structural stability and IP65/IP67 waterproof integrity. Follow these procedural steps for mounting the 30mm panel mount indicator light:

  1. Panel Preparation: Measure the exact mounting location on your equipment panel and drill a precise 30mm circular hole. Ensure the surrounding metal surface is clean, flat, and free of burrs or oil residue.
  2. O-Ring Placement: Slide the provided silicone waterproof O-ring onto the threaded body of the indicator light right behind the flat head flange to ensure sealing against moisture and dust.
  3. Insertion: Insert the indicator light body from the front side of the control panel through the 30mm drilled hole.
  4. Rear Fastening: From the rear side of the panel, slide on the stainless steel plum blossom lock washer followed by the M30 metal locking nut. Tighten the nut securely using a suitable wrench to compress the O-ring without overtightening.
  5. Wiring Connection: Connect the 20cm pre-wired leads to your power circuit using quick-link terminals, soldering, or insulated connectors. Verify polarity if required, noting that integrated non-polar LED designs simplify wiring.
  6. Final Inspection: Ensure the unit is firmly fixed without rotational play, inspect the front seal, and test electrical operation after restoring power.
Step-by-step panel installation guide for FILN metal indicator lights

Wiring Guide & Connection Methods

Understanding proper electrical connection techniques ensures long-term operational stability and prevents circuit faults. FILN indicator lights are manufactured in both pin-terminal and pre-wired configurations.

Pre-Wired Indicator Lights: The featured model comes equipped with integrated 20cm lead wires. These wires can be securely connected to the main control circuit using quick-link spring terminals, professional soldering, or insulated wire connectors combined with electrical tape to guarantee connection stability and insulation integrity.

Pin Terminal Indicator Lights: For pin-type models, spade connectors or direct soldering directly onto terminal pins are recommended, protected by heat-shrink tubing to prevent accidental short circuits.

Safety Warning: Before performing any electrical wiring or maintenance, always verify that power is completely disconnected to prevent electrical shock or equipment damage.

Industry Knowledge & Troubleshooting Center

Preventing Phantom Illumination (Faint Glowing): In low-voltage DC circuits (such as 12V or 24V), residual leakage current from solid-state PLC outputs or long cable runs can sometimes cause LED indicators to emit a faint, unintended glow. To resolve this, adding a parallel bleeder resistor or matching resistor across the indicator terminals absorbs the leakage current.

Chemical Washdown Resistance: When deploying IP67 metal indicator lights in food processing or medical environments subject to caustic chemical washdowns, verify that the selected shell material (such as stainless steel or nickel-plated brass) and silicone sealing rings are compatible with your specific cleaning agents.

Vibration Resistance in Heavy Machinery: Continuous heavy vibration can loosen terminal connections over time. Utilizing pre-wired models with secure terminal blocks and spring washers ensures uninterrupted electrical contact in high-vibration engineering vehicles and punch presses.

Buyer Decision Guide & RFQ Checklist

Selecting the correct panel mount indicator light requires evaluating physical compatibility, electrical parameters, and environmental operating conditions.

Specification-to-Decision Framework

  • Mounting Hole Size (30mm): Determines physical panel compatibility. Ensure your panel punch matches the exact millimeter cutout requirement.
  • Voltage (3V–480V): Determines electrical compatibility. Confirm whether your system operates on AC or DC and select the corresponding built-in resistor specification.
  • IP Rating (IP65/IP67): Determines environmental suitability against dust, water jets, or outdoor precipitation.
  • Material Selection: FILN provides nickel-plated brass, stainless steel, and zinc-aluminum alloy options. Below is a comparison of metal shell materials:
Material Type Key Advantages Limitations Recommended Environment
Nickel-Plated Brass High mechanical strength, cost-effective metal choice, good conductivity. Moderate corrosion resistance in extreme marine salt environments. Standard industrial control cabinets, automation machinery.
Stainless Steel Superior corrosion resistance, chemical inertness, premium aesthetic. Higher material cost relative to brass or zinc alloy. Marine equipment, medical devices, food processing washdown areas.
Zinc-Aluminum Alloy Lightweight, excellent die-casting precision, black-plated finishes available. Lower impact resistance compared to solid stainless steel or brass. Commercial appliances, electrical panels, indoor enclosures.

Pin vs. Wire Terminal Comparison

Terminal Type Advantages Disadvantages Ideal Use Case
Pin Terminals (e.g., FL1M-19FJ-1) Easy plugging, modular disconnect capability, customizable wire attachment. Exposed pins require insulation boots; vulnerable in high moisture if unsealed. Modular control panels and quick-maintenance electrical boxes. Explore the 19mm pin terminal indicator light.
Wire Leads (e.g., FL1M-30FW-1) Pre-wired for immediate connection, superior waterproof reliability. Fixed wire length requires careful pre-measurement during ordering. Outdoor equipment, vibrating machinery, wet environments.

RFQ Checklist for Procurement Managers

When requesting a formal quotation from FILN, providing the following specifications ensures rapid and accurate engineering confirmation:

  • Product Type & Model Number (e.g., FL1M-30FW-1)
  • Mounting Hole Size (30mm)
  • Operating Voltage & Current Type (AC/DC, 3V to 480V)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type & Shell Material
  • Waterproof Requirement (IP65 / IP67)
  • Wiring Method & Custom Wire Length (Standard 20cm)
  • Certification Requirements & Order Quantity

Providing these specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements efficiently. You can also explore more options via the 22mm metal indicator light collection or check out similar series like the 8mm flat head indicator FL1M-08FW-1, 10mm flat head indicator FL1M-10FW-1, 12mm flat head indicator FL1M-12FW-1, 14mm flat head indicator FL1M-14FW-1, 16mm flat head indicator FL1M-16FW-1, and 22mm flat head indicator FL1M-22FW-1.

FILN Manufacturing and Engineering Capabilities

FILN operates as a direct electrical component manufacturer with advanced R&D, custom tooling, injection molding, automated assembly lines, and an independent electrical testing laboratory. For B2B buyers, control panel builders, and OEM manufacturers, FILN provides professional engineering support, custom voltage adaptation, custom wire harnesses, small-batch sample support, and robust mass-production capacity backed by rigorous quality control protocols.

FILN manufacturing R&D and engineering workshop overview

Factory Direct Supply & Company Profile

Yueqing Yulin Electronic Co., Ltd, operating under the brand name FILN, is located in Wenzhou, Zhejiang. Established in 2006, FILN is a professional electrical switch and indicator manufacturer integrating research and development, production, and sales. Premium FILN brand products are exported to over 100 countries worldwide. FILN operates a modern 10,000 m² industrial facility equipped with 20+ advanced production lines and an independent testing laboratory. Driven by strict ISO9001 quality management systems, FILN delivers innovative, high-performance electrical components. Our certified product portfolio (UL, CE, RoHS, REACH, TUV, CB, VDE, CCC) is widely implemented in kitchen appliances, energy storage systems, EV charging stations, automotive upgrades, marine consoles, and industrial security systems.

  • Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and customized small electrical component manufacturing.
  • Quality System & Certifications: ISO9001, CE, VDE, RoHS, SGS, UL, IP65/IP67, TUV, CCC.
  • Global Export Markets: Supplied worldwide to industrial distributors, OEMs, and automation system integrators.
  • Manufacturing Advantages: Direct professional engineering consultation, expert custom solution development, and reliable bulk wholesale supply.
  • Official Contact Links: Visit our website at www.filn.com or email our engineering sales team directly at inquiry@cnylin.com.cn.
FILN electronic components automated manufacturing workshop

Frequently Asked Questions

How to prevent phantom illumination (faint glowing) in 12v LED indicators?

Phantom illumination occurs when low-voltage DC circuits pick up residual leakage current from solid-state PLC outputs or long cable runs. To eliminate this faint glowing, install a suitable parallel bleeder resistor across the indicator terminals to safely shunt the stray leakage current.

Can this IP67 indicator light be washed down with caustic chemicals?

Yes, when configured with a stainless steel housing and silicone O-ring gasket, this IP67 indicator light resists high-pressure water spray and common chemical washdowns used in food processing and medical sterilization equipment.

What is the exact panel cutout size required for this indicator light?

This model requires a precise 30mm mounting hole diameter. The outer bezel head measures 39.5mm in diameter to ensure secure flange contact against the equipment panel.

Are FILN metal indicator lights polarity sensitive?

Most FILN AC/DC indicator lights incorporate non-polar internal rectifier circuitry, allowing connection without strict regard for positive and negative lead polarity during wiring.

What voltage options are available for custom orders?

FILN can customize internal resistors to support operating voltages ranging from 3V up to 480V AC/DC according to your exact electrical specifications.

What is the standard wire length for pre-wired models?

The standard pre-wired lead length is 20cm of PVC-insulated copper wire. Custom wire lengths and specialized connector terminations can be requested for bulk OEM orders.

How does single-nut thread mounting achieve waterproof sealing?

Waterproofing is achieved by placing a compressible silicone O-ring between the flat head flange and the front panel surface, which compresses tightly as the rear M30 metal locking nut is tightened.

What certifications do FILN panel indicator lights carry?

FILN indicator lights comply with international quality frameworks, holding certifications including ISO9001, CE, VDE, RoHS, SGS, UL, and CCC depending on the specific model configuration.

How can I request 3D CAD models or engineering specifications?

Engineering support, technical data sheets, and 3D CAD drawing files can be requested by contacting FILN directly via email at inquiry@cnylin.com.cn or visiting www.filn.com.


LED Indicator Lamp 22mm AC/DC Metal Concave Head Wire Lead 20cm| FILN

Executive Product Summary

The led indicator lamp 22mm (Model: FL1M-22CW-1) engineered and manufactured by FILN is a heavy-duty industrial pilot light featuring a robust copper alloy or black-plated zinc-aluminum alloy body and a distinct concave recessed lens. Designed specifically for professional electrical engineers, control panel builders, and industrial equipment manufacturers, this 22mm component delivers reliable status visualization across demanding automation environments, power distribution cabinets, and heavy machinery. Operating across a flexible voltage range of 3V to 480V DC/AC with integrated 2PIN wire leads, it offers robust IP65 to IP67 ingress protection supported by a silicone O-ring seal. FILN provides comprehensive OEM and ODM manufacturing services, supporting wholesale procurement, custom wire lengths, specialized voltage configurations, and bulk supply for global B2B supply chains. Qualified buyers and procurement managers can request custom specifications, 3D CAD models, or wholesale quotations directly from FILN engineering.

Key Takeaways for Engineers and Procurement Managers

  • Product Identity: The led indicator lamp 22mm (FL1M-22CW-1) is a professional-grade panel-mount signal light featuring a concave head design for enhanced visual clarity from wide angles.
  • Mounting Standard: Engineered for a standard 22mm panel cutout, utilizing a single single-nut threaded locking mechanism for secure mechanical retention.
  • Electrical Versatility: Supports a wide operational voltage range from 3V to 480V DC/AC with customized internal resistor configurations tailored to exact application requirements.
  • Ingress Protection: Achieves IP65 to IP67 waterproof and dustproof ratings when installed correctly with the supplied silicone O-ring and stainless steel lock washer.
  • Wiring Configuration: Built with direct 2PIN wire leads, eliminating the risk of loose terminal pins under continuous industrial vibration.
  • Material Engineering: Constructed with a durable copper alloy or zinc-aluminum alloy shell, PA66 lamp holder, and polycarbonate (PC) lens.
  • Optical Performance: High-brightness LED luminescent source delivering stable illumination with an operational lifespan rated between 50,000 and 100,000 hours.
  • Manufacturer Direct Supply: Produced by FILN in a 10,000 square meter manufacturing facility with strict ISO9001 quality control and global export capabilities.
  • Customization Support: Full OEM and ODM capabilities including custom wire harnesses, lead lengths, laser marking, and specialized housing platings.
  • Procurement Efficiency: Direct factory communication channels available for engineering drawings, technical datasheets, and bulk wholesale inquiries via inquiry@cnylin.com.cn.

What Is the LED Indicator Lamp 22mm?

An industrial led indicator lamp 22mm is an electromechanical signaling device mounted onto control panels, switchboards, and machine chassis to visually communicate operational states, power status, warnings, or fault conditions. FILN manufactures a comprehensive range of indicator lights across multiple dimensional tiers spanning from 6mm to 30mm, offering both plastic and metal housing constructions. Metal indicators are engineered into flat head, protruding head, and concave head geometries to suit specific aesthetic and functional requirements. Terminal configurations include traditional solder pin terminals and direct pre-wired cable assemblies.

The concave head design of model FL1M-22CW-1 recesses the optical lens slightly below the bezel rim, protecting the emitting surface from accidental mechanical impacts while focusing light distribution for clear visibility across wide viewing angles in bright industrial environments.

FILN Metal Indicator Light Series Overview

Product Overview and Engineering Principles

The FILN led indicator lamp 22mm operates by converting electrical energy into optical photon emission via a solid-state high-brightness LED chip integrated with a precise current-limiting carbon film resistor. Electrically, the internal diode requires proper forward bias, while the mechanical assembly utilizes single-hole threaded mounting to clamp firmly against control panel plates.

Industrial advantages include superior resistance to mechanical shock, vibration isolation provided by the integrated 2PIN wire lead configuration, and reliable thermal dissipation through the solid metal housing. These design characteristics prevent premature lamp failure commonly observed in cheaper plastic alternatives exposed to constant workshop vibration.

Explore our complete catalog of metal indicator light solutions or view direct purchase options for the 22mm concave head led indicator.

Quick Technical Specifications

Product Description Metal indicator lamp with pre-wired leads
Indicator Light Model FL1M-22CW-1
Mounting Hole Size 22 mm (approx. 0.87 inches)
Operating Voltage 3V – 480V DC/AC (Customizable)
LED Color Options Red (R), Green (G), Yellow (Y), Blue (B), White (W)
Waterproof Protection Rating IP65 / IP67 (with silicone O-ring assembly)
Wiring Type 2PIN direct wire lead (custom lengths available)
Head Type Concave recessed head
Surface Quality Smooth, flat, free from burrs, oxidation, cracks, or visible defects.
Assembly Standard Head and base assemblies tightly fitted to prevent rotation, detachment, tilt, or deformation.

Performance Parameters and Electrical Ratings

Rated Operating Voltage 3V – 480V DC/AC (Customizable per customer requirements)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC between lead wires and housing)
Dielectric Strength 1500V – 1800V AC, no breakdown or flashover
Operating Life Expectancy 50,000 to 100,000 hours
Ingress Protection IP65 / IP67 standard compliance

Component Materials and Engineering Selection

Every material utilized in the led indicator lamp 22mm is selected to withstand harsh industrial environments, mechanical stress, and corrosive operational conditions.

Component Part Material Specification Engineering Purpose
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical rigidity, impact resistance, and electromagnetic shielding.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability and electrical insulation properties.
Lampshade / Lens Polycarbonate (PC) Ensures high optical transmittance and resistance to shattering.
Luminescent Source High-brightness LED Delivers energy-efficient, long-lasting visual signal output.
Resistor Carbon film resistor Regulates current across varying voltage inputs.
Wire / Lead Wire PVC insulated lead wire Ensures flexible and reliable electrical connection.
Locking Nut Copper alloy Secures the indicator firmly to control panels without stripping threads.
O-Ring Seal Silicone / Silica gel Blocks moisture and dust ingress at the panel interface.
Lock Washer Stainless steel plum blossom gasket Prevents loosening caused by continuous industrial vibration.

Environmental Performance Specifications

The metal indicator light series is engineered to perform reliably under rigorous environmental conditions, verified through rigorous testing standards.

Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours at 80 ± 2°C
Low Temperature Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Technical and Electro-Optical Specifications

Absolute maximum ratings and electro-optical characteristics of the embedded LED semiconductor chip utilized within the led indicator lamp 22mm:

Parameter Rating / Condition
Maximum Forward Current (IFP) 20 mA
Reverse Voltage (VR) 5 V
Power Dissipation (PD) 60 mW
Forward Voltage (VF) 2.8V (Min.) ~ 3.2V (Max.) at IF = 20 mA
Reverse Current (IR) 5 µA Max. at VR = 5 V
Viewing Angle (2θ1/2) 60° typical
Luminous Intensity (Iv) 500 mcd (Min.) ~ 800 mcd (Max.) at IF = 20 mA
Dominant Wavelength (λd) 520 nm ~ 525 nm (for green variant)

Standard Test Conditions and Calibration

Unless otherwise specified, all electrical and optical parameters are measured under standard atmospheric conditions:

  • Ambient Temperature: 5°C to 35°C
  • Relative Humidity: 45% to 85%
  • Air Pressure: 86 to 106 kPa (860 to 1060 mbar)

Note: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards. Measurement tolerances are ±15% for luminous intensity and ±0.1V for operating voltage.

Applications by Industry

Metal indicator lights utilize high-strength copper alloy or stainless steel metal housings, offering exceptional impact resistance and IP67 waterproof protection. While plastic indicators degrade, crack, and warp under continuous thermal exposure, metal indicators excel in harsh industrial environments.

1. Industrial Automation and Machinery Manufacturing

CNC machine control panels use red, yellow, and green metal indicators to display running status, standby warnings, and emergency stop conditions while resisting cutting fluids and metallic debris. Large PLC control cabinets utilize 22mm indicators for main power status visualization.

2. Renewable Energy and Outdoor Power Distribution

Outdoor EV charging stations and photovoltaic combiner boxes deploy flat-head metal status lights to indicate charging progression and fault conditions, withstanding severe weather and UV exposure across temperatures from -40°C to 80°C.

3. Transportation, Heavy Vehicles, and Marine Equipment

Excavators, cranes, and marine control consoles utilize metal indicator lamps to resist continuous vibration and high salinity salt spray environments.

Application Scenarios of FILN Indicator Lights

LED Indicator Color Meanings and Application Guide

Indicator colors convey critical operational states. FILN offers single-color, dual-color, and tri-color configurations. Below is a practical guide for standard industrial color conventions:

Color Common Meaning Typical Status Recommended Application
Red Danger / Stop Emergency stop, fault, alarm Machine shut-off switches, hazard alerts
Green Normal / Safe System operating normally Power ON indicator, cycle start confirmation
Yellow / Amber Caution / Attention Standby, temperature warning Pre-heating state, oil pressure warning
Blue Mandatory Action Active function state EV charging active, cooling fan running
White General Information System live / auxiliary power Control box illumination status

Installation Guide

Proper installation ensures structural stability and IP65/IP67 ingress protection. Follow these technical steps:

  1. Panel Preparation: Drill a precise 22mm circular mounting hole into the control panel surface using appropriate tooling. Ensure burrs are removed.
  2. O-Ring Placement: Slide the silicone waterproof O-ring onto the threaded body of the indicator lamp.
  3. Insertion: Insert the indicator lamp body from the front side of the control panel.
  4. Securing: Thread the M22 mounting nut onto the rear housing and tighten securely using a standard socket wrench. Do not overtighten to avoid thread stripping.
  5. Gasket Installation: Position the stainless steel plum blossom lock washer behind the nut for vibration resistance.
  6. Electrical Connection: Proceed with wiring as detailed in the wiring section below, ensuring power is disconnected prior to installation.
FILN Indicator Light Installation Process

Wiring Guide and Terminal Comparison

The led indicator lamp 22mm utilizes a direct 2PIN wire lead configuration. Pre-wired lead indicators can be connected securely using quick-link wire connectors, soldered joints, or insulated terminal blocks. Always ensure main power is cut off before servicing electrical connections.

When designing control panels, engineers often weigh the benefits of pin terminals versus wire lead models:

Terminal Type Advantages Best Suited For
Direct Wire Lead (e.g., FL1M-22CW-1) Vibration resistant, waterproof rear seal, quick installation High-vibration machinery, outdoor cabinets, vehicles
Pin Terminal (e.g., FL1M-19CJ-1) Modular wiring, easy replacement, standard plug connectors Indoor control panels, modular switchboards

For modular pin terminal options, consider the 19mm pin terminal concave indicator FL1M-19CJ-1.

Industry Knowledge Center

Understanding indicator light engineering principles helps prevent common field failures. Phantom illumination (faint glowing in 12V LED indicators when switched off) is typically caused by residual leakage current from solid-state PLC outputs or long parallel wiring runs acting as capacitive couplings. Adding a suitable bleeder resistor across the input terminals resolves this issue.

Selecting the correct IP rating ensures longevity in washdown environments, protecting internal LED diodes from moisture ingress and chemical degradation.

Buyer Decision Guide and RFQ Checklist

Choosing the right material variant is crucial for performance. FILN provides brass nickel-plated, stainless steel, and zinc-aluminum alloy housings:

Material Option Advantages Target Environment
Brass Nickel-Plated Excellent corrosion resistance, high mechanical strength General industrial machinery, control cabinets
Stainless Steel Superior chemical resistance, rust-free lifespan Food processing, marine environments, medical devices
Zinc-Aluminum Alloy Cost-effective, lightweight, sturdy molding Commercial appliances, standard control panels

RFQ Checklist for Procurement Managers

When requesting a quotation for the led indicator lamp 22mm, please provide the following details to ensure accurate processing by FILN engineering:

  • Product Model: FL1M-22CW-1
  • Mounting Hole Size: 22mm
  • Operating Voltage and Type (DC/AC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Wiring Requirement & Lead Wire Length
  • Required Quantity & Target Delivery Date
  • OEM / Custom Marking Requirements

Providing these specifications helps our sales team confirm compatibility quickly. Contact inquiry@cnylin.com.cn for prompt support.

FILN Manufacturing and Engineering Capabilities

Yueqing Yulin Electronic Co., Ltd. (brand name FILN), located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing laboratory. Driven by rigorous ISO9001 quality systems, FILN products are sold in over 100 countries.

Our production capabilities encompass indicator lights, push button switches, rocker switches, toggle switches, and custom electrical assemblies. FILN products hold international certifications including CE, VDE, RoHS, SGS, UL, CCC, and IP65/IP67 ratings.

FILN Manufacturing Facility Overview
FILN Electronic Components Manufacturing Workshop

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12V LED indicators?

Phantom illumination in 12V LED indicators is typically caused by residual leakage current from solid-state controller outputs or capacitive coupling in long parallel wire runs. Installing a suitable bleeder resistor in parallel across the indicator input terminals will bypass the leakage current and eliminate faint glowing when switched off.

2. Can this IP67 indicator light be washed down with caustic chemicals?

Yes, when selecting the stainless steel housing variant with proper silicone O-ring compression, the indicator withstands regular washdown procedures. However, specific chemical compatibility should be verified with FILN engineering for extreme industrial solvents.

3. What is the standard panel cutout required for the led indicator lamp 22mm?

The required panel cutout diameter is exactly 22mm, fitting standard industrial push button and pilot light knockout dimensions across electrical control panels.

4. Can FILN customize the wire lead length for pre-wired indicator lights?

Yes, FILN supports fully customized wire lengths, pre-stripped ends, and specialized connector attachments tailored to your wiring harness requirements.

5. What operating voltages are available for model FL1M-22CW-1?

The indicator supports a wide flexible voltage range from 3V to 480V DC/AC, with internal resistors custom-matched to your specified operating voltage.

6. Are waterproof sealing rings included with the indicator lamp?

Yes, every package includes the indicator lamp, a silicone waterproof O-ring, a stainless steel lock washer, and a copper alloy M22 mounting nut.

7. What is the expected operational lifespan of the LED luminescent source?

The embedded high-brightness LED features an expected operational lifespan rated between 50,000 and 100,000 hours under normal operating conditions.

8. How does a concave head indicator differ from a flat head indicator?

The concave head design recesses the lens slightly below the metal bezel rim, offering protection against physical impact while focusing light diffusion for clear side-angle visibility.

9. What certifications do FILN metal indicator lights hold?

FILN indicators hold international quality and safety certifications including CE, VDE, RoHS, SGS, UL, CCC, and IP65/IP67 ratings depending on the specific model configuration.

10. How can I request bulk wholesale pricing or custom samples?

Procurement managers and engineers can contact FILN directly via email at inquiry@cnylin.com.cn to discuss bulk orders, custom specifications, and sample requests.

11. What is the advantage of a copper alloy shell over plastic?

Copper alloy shells provide superior impact resistance, thermal dissipation, and structural rigidity compared to plastic housings, preventing cracking and UV degradation in demanding environments.

12. Is AC/DC universal operation supported?

Yes, internal rectification or multi-voltage resistor options can be configured for universal AC/DC operation upon request during the RFQ process.

13. What is the typical lead time for custom manufactured orders?

Lead times vary depending on order volume and custom requirements. Please contact FILN engineering directly at inquiry@cnylin.com.cn for accurate scheduling.

14. Can these indicators be used in marine and high-salt environments?

Yes, our stainless steel and nickel-plated brass variants paired with silicone O-rings provide excellent resistance against salt spray corrosion in marine applications.

15. What wire gauge is utilized for the standard pre-wired leads?

Standard lead wires utilize high-conductivity stranded copper wiring insulated with flexible PVC, optimized for secure crimping or terminal block insertion.

16. Does FILN provide 3D CAD models for engineering design?

Yes, 3D step files and technical drawings are available upon request for control panel integration and enclosure design.

17. What is the maximum panel thickness supported by the mounting hardware?

The standard M22 threaded body accommodates control panel thicknesses ranging from 1mm up to 6mm securely.

18. How does vibration affect wire lead indicators versus pin terminals?

Wire lead indicators eliminate plug-on terminal looseness caused by continuous machine vibration, as the direct wire connection can be securely harnessed and routed away from high-vibration sources.

19. Are dual-color indicators available in the 22mm size?

Yes, dual-color and tri-color LED configurations (such as Red/Green switching) are available as custom OEM options.

20. How do I initiate an OEM/ODM customization project with FILN?

You can initiate an OEM/ODM project by sending your technical drawings, voltage specifications, and volume estimates directly to our engineering team at inquiry@cnylin.com.cn.


22mm LED Indicator Lights Flat Head Metal Pilot Lamp 3-480V | FILN

Executive Summary

The FILN FL1M-22FW-1 represents a heavy-duty, industrial-grade 22mm LED indicator lights solution engineered for electrical control panels, automation machinery, power distribution systems, and OEM equipment. Designed by an established electrical component manufacturer, this flat head metal pilot lamp features a robust copper alloy or black-plated zinc-aluminum alloy housing combined with an IP67 waterproof ingress rating, ensuring exceptional durability and reliable status signaling in harsh operating environments. It supports a versatile voltage range from 3V to 480V AC/DC with integrated non-polar LED chips and pre-wired 20cm lead wires for secure electrical connections.

Targeting B2B procurement managers, electrical engineers, control panel builders, and equipment manufacturers worldwide, FILN provides robust bulk supply capabilities, custom wire harnesses, flexible voltage configurations, and comprehensive OEM/ODM manufacturing support. B2B buyers seeking factory-direct pricing, stable batch production, and strict ISO9001 quality assurance can request sample evaluations, detailed technical datasheets, or 3D CAD models directly from our engineering team.

22mm led Medical equipment metal indicator light

Key Takeaways for B2B Buyers & Engineers

  • Product Identity: Industrial-grade 22mm LED indicator lights (Model: FL1M-22FW-1) featuring a durable flat head metal housing for robust panel mounting.
  • Electrical Versatility: Configurable operating voltages ranging from 3V to 480V AC/DC with non-polar LED chips preventing reverse-polarity wiring errors.
  • Material & Construction: Premium copper alloy shell with black-plated zinc-aluminum options, PA66 lamp holders, and PC lenses built for extreme industrial environments.
  • Environmental Protection: IP65/IP67 ingress protection supported by high-grade silicone O-rings ensuring resistance against dust, moisture, and mild chemical washdowns.
  • Wiring Configuration: Factory-equipped with 2-pin 20cm wire leads, offering superior anti-vibration reliability compared to standard pin terminals.
  • Illumination Options: High-brightness LED color variants available in Red, Green, Yellow, Blue, and White with calibrated CEE wavelength standards.
  • Mounting Simplicity: Single-hole 22mm threaded mounting design with included locking nut, spring washer, and waterproof sealing gasket for fast assembly.
  • Industrial Applications: Widely deployed across CNC machine tools, electrical distribution cabinets, renewable energy systems, EV charging stations, and marine consoles.
  • Manufacturing Compliance: Produced under strict ISO9001 factory management systems with international certifications including CE, VDE, RoHS, and CCC.
  • Customization & Support: Direct manufacturer support from FILN for OEM/ODM requirements, custom wire lengths, voltage modifications, and bulk wholesale procurement.

What is 22mm LED Indicator Lights?

Industrial 22mm LED indicator lights are specialized panel-mounted signaling devices engineered to communicate electrical equipment operating status, system modes, and fault warnings to operators. The 22mm LED indicator lights utilize advanced solid-state LED luminescent sources housed within rugged metallic enclosures to deliver high-visibility status notification across complex automation architectures. FILN manufactures these devices with precision-machined copper alloy shells, polycarbonate lenses, and integrated internal current-limiting resistors, ensuring dependable electrical isolation and long operational lifespans in demanding industrial environments.

FILN provides an extensive range of indicator light configurations to match diverse engineering requirements. Indicator lights are available in both metal and plastic housing categories, spanning standardized mounting diameters from 6mm to 30mm. Regarding electrical termination, buyers can select between pin-terminal models and direct wire-lead variants. Specifically, metal indicator lights feature three distinct head profiles—flat head, prominent head, and recessed head—allowing control panel builders to tailor aesthetics and physical clearance to specific operational demands.

FILN Metal Indicator Light Series Overview

Product Overview & Engineering Principles

The Model FL1M-22FW-1 22mm LED indicator lights operate on solid-state optoelectronic principles, converting electrical energy directly into visible monochromatic light through semiconductor p-n junction electroluminescence. Mechanically, the unit is constructed with an outer metallic body that serves as a robust structural chassis and electromagnetic shield, protecting internal circuitry from physical shock, mechanical stress, and radiated electrical noise typical of heavy industrial switchgear.

Electrical performance is stabilized via an internal carbon film resistor matched to the specified operating voltage (ranging from 3V to 480V), regulating current flow to protect the high-brightness LED chip against transient voltage spikes. Main applications encompass heavy machinery status panels, electrical distribution switchboards, marine instrumentation, and automated production control desks. Industrial advantages include superior thermal dissipation, excellent mechanical impact resistance, and compliance with international electrical safety standards.

Quick Specifications

Technical Parameter Specification Details
Product Description Metal indicator light with 20cm wire leads
Indicator Light Model FL1M-22FW-1
Mounting Hole Size 22mm (approx. 0.866 inches)
Operating Voltage 3V – 480V DC/AC (Customizable per customer requirements)
LED Color Options Red (R) / Green (G) / Yellow (Y) / Blue (B) / White (W)
Ingress Protection Rating IP65 / IP67 waterproof and dustproof
Wiring Type 2-pin wire lead (Standard length: 20cm)
Head Type Flat head design
Surface Quality Smooth and flat finish without burrs, oxidation, cracks, or visible defects.
Assembly Requirements Head assembly and base assembly are securely fitted to ensure zero rotation, detachment, tilt, or deformation.

Performance Parameters

Performance Metric Rated Value / Operating Standard
Rated Operating Voltage 3V–480V DC/AC (Customizable per client specifications)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength (Voltage Proof) 1500V–1800V AC, withstanding zero breakdown or flashover
Operating Life 50,000 to 100,000 hours of continuous operation
Ingress Protection Rating IP65 / IP67 standard compliance

Component Materials & Engineering Selection

Every component in the FILN 22mm LED indicator lights is engineered from carefully selected industrial-grade materials to guarantee maximum durability, electrical safety, and environmental resilience. The table below outlines each accessory part, its material composition, and its specific functional advantage.

Component Part Material Composition Engineering Purpose & Function
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical rigidity, corrosion resistance, and EMI shielding.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability and excellent electrical insulation.
Lampshade / Lens PC (Polycarbonate) Ensures high light transmittance, impact strength, and UV resistance.
Luminescent Source High-brightness LED Delivers energy-efficient, long-lasting visual signaling.
Resistor Carbon film resistor Regulates operating current and stabilizes voltage input.
Wire / Lead Wire PVC insulated copper wire Facilitates secure electrical connection with flexible routing.
Locking Nut Copper alloy Secures the assembly firmly against the mounting panel.
O-Ring Silicone / Silica gel Creates a watertight and dustproof seal at the panel interface.
Lock Washer / Gasket Stainless steel (Plum blossom gasket) Prevents loosening under continuous mechanical vibration.

Environmental Performance & Durability

The Indicator Light series metal indicator light is engineered to perform reliably across extreme operating conditions. Rigorous environmental testing ensures structural integrity and functional stability in harsh industrial, outdoor, and maritime applications.

Environmental Test Parameter Test Conditions & Specifications
Application Range General operational scope for metal indicator light series
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤ 85% at +40℃
High Temperature Test 96 hours exposed at 80±2℃
Low Temperature Test 96 hours exposed at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total

LED Technical Specifications

The internal LED components are manufactured to strict electro-optical parameters, ensuring optimal luminous intensity, color uniformity, and electrical longevity.

Absolute Maximum Ratings (Ta = 25°C)

  • Maximum Forward Current (IFP): 20 mA
  • Reverse Voltage (VR): 5 V
  • Power Dissipation (PD): 60 mW
  • Operating Temperature (TOPR): -40°C ~ +80°C
  • Storage Temperature (TSTG): -40°C ~ +100°C
  • Lead-Free Soldering Temperature (TSOL): Max. 260°C for 3 sec. Max.

Electro-Optical Characteristics (Ta = 25°C)

Parameter Name Test Condition Value / Range
Forward Voltage (VF) IF = 20 mA 2.8 V (Min.) ~ 3.2 V (Max.)
Reverse Current (IR) VR = 5 V 5 µA (Max.)
Viewing Angle (2θ₁/₂) IF = 20 mA Typical Value: 60°
Luminous Intensity (Iv) IF = 20 mA 500 mcd (Min.) ~ 800 mcd (Max.)
Dominant Wavelength (λd) IF = 20 mA 520 nm ~ 525 nm
Junction Temperature (Tj) IF = 20 mA Maximum 125°C
Thermal Resistance (RJP) IF = 20 mA Typical Value: 8°C/W

Standard Test Conditions & Calibration

Unless otherwise specified, all electrical and optical parameters are measured under controlled standard atmospheric conditions to ensure repeatability and accuracy.

  • Ambient Temperature: 5℃ ~ 35℃
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Measurement Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for the human eye response curve. Tolerances: luminous intensity measurement tolerance is ±15%; voltage measurement tolerance is ±0.1V.

Applications by Industry

Metal indicator lights utilize high-strength copper alloy or stainless steel metallic housings, delivering exceptional impact resistance and an ingress protection rating up to IP67 waterproof and dustproof. They are widely deployed across demanding industrial and high-end commercial environments. While conventional plastic indicators are prone to aging, cracking, and high-temperature deformation over prolonged use, metal indicator lights excel in severe operating conditions characterized by mechanical stress and high reliability requirements.

1. Industrial Automation & Machinery Manufacturing

This sector represents the primary application domain for metal indicator lights, where workshops experience continuous mechanical vibration, oil splashes, and debris impact.

  • CNC Machine Tools & Machining Centers: Control panels incorporate red, yellow, and green metal indicator lights where green signifies normal operation, yellow indicates standby/warning, and red denotes emergency stop or equipment fault. Metal housings resist cutting fluids and metallic chip erosion.
  • Automation Production Line Control Cabinets: Large power distribution and PLC control cabinets utilize 22mm metal indicators compatible with AC220V and DC24V to provide real-time status indication for power circuits.
  • Hydraulic & Pneumatic Equipment: Deployed for oil pump start/stop cycles and over-pressure warnings. Integrated wire-lead metal indicators secure internal LEDs and resistors against severe vibration, preventing wire breakage common in pin-terminal alternatives.

2. Outdoor Electrical & Renewable Energy Distribution Systems

Outdoor equipment is subjected to year-round solar radiation, precipitation, and wide temperature swings, demanding rigorous weathering and waterproof capabilities.

  • New Energy Charging Piles: Outdoor DC and AC charging stations feature flat head metal status indicators where flashing blue/green indicates active charging, steady light indicates completion, and flashing red warns of leakage or grounding faults. IP67 waterproof construction withstands public vandalism and high-frequency usage.
  • Outdoor Distribution Boxes & Solar Combiner Boxes: Photovoltaic power stations and municipal outdoor distribution boxes utilize indicators to display high-voltage closing and inverter operating status across temperature ranges from -40℃ to +80℃.

3. Rail Transit, Commercial Vehicles & Marine Equipment

Vehicular and marine deployments experience severe shock and vibration alongside aggressive salt-spray corrosion in maritime environments.

  • Commercial & Engineering Vehicles: Operator consoles in excavators, cranes, and bulldozers feature indicators for oil pressure, water temperature, lighting status, and braking faults, engineered for heavy shock and dust exposure.
  • Marine & Port Control Equipment: Shipboard instrumentation and deck control boxes use stainless steel-plated metal indicator lights to resist maritime salt-spray corrosion, paired with silicone O-ring seals to prevent saltwater ingress.

4. Commercial Self-Service Devices & Public Security Facilities

Public equipment is vulnerable to physical impact and tampering, where plastic luminaires easily fracture.

  • Vending Machines & Ticketing Kiosks: Paired with vandal-resistant metal switches to indicate coin insertion, dispensing, and change status.
  • Fuel Dispenser Panels: Hazardous fuel zones require strict electrical isolation and robust metal shells to enhance operational safety.
  • Residential Access Control & Video Intercoms: Stainless steel access panels feature red and green indicator lights to signal door lock status.

5. Medical Equipment & Food Processing Machinery

These industries require frequent washdowns and chemical sterilization, demanding high standards of cleanliness and ingress protection.

  • Food Filling & Packaging Machinery: Subjected to daily high-pressure hot water and chemical washdowns. IP67 metal indicator lights withstand high-pressure jets without internal component corrosion.
  • Medical Sterilization Equipment: High-temperature and high-pressure autoclave equipment utilizes indicator lights to delineate heating, sterilization, and exhaust cycles.

Application Summary: Standard plastic indicators suffer from ultraviolet yellowing and embrittlement during outdoor exposure, workshop oils corrode weak housings, and continuous vibration causes loose pin contacts. FILN metal indicator lights utilize copper alloy shells, silicone waterproof O-rings, and rear integrated wire-lead structures to eliminate these vulnerabilities, making them the preferred component for industrial equipment reliability.

FILN Indicator Lights Industrial Applications

LED Indicator Color Meanings & Application Guide

Indicator light colors play a critical role in human-machine interface (HMI) design, providing immediate visual feedback regarding equipment states. Below is the comprehensive color convention guide for industrial installations:

  • Red: Denotes danger, emergency stop, fault conditions, or mandatory prohibition. Typically wired into emergency stop loops or trip indicators.
  • Green: Signifies normal operation, safe conditions, system ready status, or power ON indication.
  • Yellow / Amber: Indicates caution, abnormal operating conditions, pre-warning states, or standby modes.
  • Blue: Used for specific operational instructions, coolant activation, or general status confirmation.
  • White: Serves as a neutral power indication, general illumination status, or auxiliary function confirmation.
Color Common Industrial Meaning Typical Equipment Status Typical Application
Red Danger / Stop / Fault Emergency stop triggered / Overload CNC alarm panel / E-stop console
Green Normal / Safe / Ready Power ON / Running smoothly Main power distribution cabinet
Yellow Caution / Warning / Standby Pre-alarm / Cycle paused Temperature threshold warning
Blue Mandatory Action / Status Auxiliary function active Coolant pump / EV charging status
White Neutral / General State Control circuit energized Instrument panel backlighting

Note: Indicator color conventions can vary by equipment manufacturer, internal control-system schematics, regional industry standards, and specific application requirements. FILN offers single-color, dual-color, and tri-color indicator configurations to suit custom panel designs.

Installation Guide

Proper mechanical and electrical installation ensures the 22mm LED indicator lights achieve their rated IP67 protection and operational longevity. Follow these systematic instructions:

  1. Prepare Tools: Gather a calibrated hole punch or drill, deburring tool, wire strippers, and insulated screwdrivers.
  2. Panel Drilling: Drill a precise 22mm (0.866 inch) circular mounting hole in the control panel sheet metal. Ensure the edge is deburred to prevent damage to the O-ring seal.
  3. Insert Indicator: Remove the rear locking nut and plum blossom gasket from the indicator body. Insert the metal indicator light from the front of the panel, ensuring the silicone waterproof O-ring sits flush between the bezel and the panel surface.
  4. Secure Nut: From the rear of the panel, thread the stainless steel lock washer and copper alloy locking nut onto the threaded body. Tighten securely to compress the O-ring and prevent rotation.
  5. Verify Alignment: Check the front bezel alignment and ensure the head assembly is firmly seated without tilt or looseness.
  6. Electrical Wiring: Connect the 20cm wire leads to the power source following standard electrical safety protocols. (Note: Utilizing non-polar LED chips means polarity alignment is non-critical).
  7. Insulation & Protection: Secure wire connections using quick-link terminals, soldering, or insulating tape to ensure stability in vibrating environments.
  8. Post-Installation Inspection: Energize the circuit to verify illumination intensity and confirm correct operational status.
FILN Indicator Light Installation Procedure

Wiring Guide & Termination Methods

Understanding proper electrical termination is vital for reliable control panel assembly. Pin-terminal indicators require slide-on receptacle connectors or direct soldering to connect circuit wires, whereas direct wire-lead indicators (such as the FL1M-22FW-1) come pre-equipped with 20cm PVC insulated copper wires. These pre-wired leads can be connected directly to control circuits using quick-link terminal blocks, professional soldering, or insulated electrical tape to ensure secure, vibration-resistant electrical continuity.

Safety Warning: Always cut off power and verify zero energy state before performing any electrical wiring or maintenance.

Industry Knowledge Center

Industrial indicator lights are essential human-machine interface (HMI) components governed by rigorous electrical standards (IEC, UL, CE). Selecting high-quality metal indicators prevents premature failure caused by voltage spikes, thermal fatigue, and environmental corrosion. Regular maintenance involves inspecting terminal connections and verifying gasket integrity in washdown environments.

Buyer Decision & Material Selection Guide

Selecting the correct metal indicator light requires evaluating operating voltage, mounting dimensions, environmental exposure, and shell material. FILN offers three primary metal shell materials tailored to distinct operational environments:

Shell Material Advantages Disadvantages / Limitations Recommended Operating Environment
Nickel-Plated Brass Cost-effective, excellent mechanical strength, good conductivity. Moderate corrosion resistance in extreme saline environments. Standard industrial automation control panels, indoor machinery.
Stainless Steel Superior corrosion resistance, high impact rating, premium finish. Higher material cost. Marine equipment, food processing, chemical plants, washdown areas.
Zinc-Aluminum Alloy Lightweight, excellent die-cast precision, durable black plating. Lower tensile strength compared to stainless steel. Commercial electronics, control cabinets, automotive dashboards.

Specification-to-Decision Framework

  • Mounting Hole (22mm): Determines physical panel compatibility; standard size for heavy industrial pushbuttons and indicators.
  • Voltage (3V-480V): Determines electrical compatibility; ensure matching voltage specification to prevent dim illumination or LED burnout.
  • IP Rating (IP67): Determines environmental suitability against dust and water immersion.
  • Wiring Method (2-Pin Wire Lead): Provides vibration resistance and pre-wired convenience during assembly.

RFQ (Request for Quotation) Checklist

When submitting an inquiry to FILN, please provide the following details to ensure accurate quotation and engineering validation:

  • Product Model (e.g., FL1M-22FW-1)
  • Mounting Hole Size (22mm)
  • Operating Voltage & Current Type (AC/DC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Wire Length and Terminal Requirements
  • Required Certifications & Quantity

FILN Manufacturing & Engineering Capabilities

FILN operates as a premier direct manufacturer with extensive R&D capabilities, offering comprehensive OEM, ODM, and custom engineering support. From custom wire harnesses and specialized operating voltages to private-label packaging and small-batch sample production, FILN’s experienced engineering team collaborates directly with industrial buyers to solve complex application challenges.

FILN Company and Engineering Overview

Factory Direct Supply & Global Export

Factory Introduction: Yueqing Yulin Electronic Co., Ltd., brand name FILN, located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Certified products (UL, CE, RoHS, REACH, TUV, CB) are widely deployed in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

  • Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and other small electrical components with complete custom manufacturing capabilities.
  • Quality System: Certified under ISO9001, CE, VDE, RoHS, SGS, UL, IP65, and TUV standards.
  • Export Markets: Global distribution spanning North America, Europe, Asia, and South America.
  • Manufacturing Advantages: Direct professional engineering consultation specializing in custom technical solutions.
  • Website Link: www.filn.com
  • Email Link: inquiry@cnylin.com.cn
FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12V LED indicators?

Phantom illumination or faint glowing is typically caused by residual leakage current in solid-state control outputs or long unshielded signal wiring. Installing a suitable bleeder resistor or anti-interference capacitor in parallel across the indicator terminals will shunt leakage current away from the LED diode and eliminate ghosting.

2. Can this IP67 indicator light be washed down with caustic chemicals?

Yes, models equipped with stainless steel shells and high-grade silicone O-ring gaskets withstand regular washdowns with standard industrial cleaning agents. However, highly concentrated caustic chemicals should be rinsed promptly to preserve surface finishes and seal longevity.

3. Are FILN 22mm LED indicator lights polarity sensitive?

No. FILN incorporates non-polar LED circuit designs in DC/AC voltage models, allowing installers to connect positive and negative wires interchangeably without risk of device damage or failure to illuminate.

4. What is the standard wire lead length on the FL1M-22FW-1 indicator?

The standard pre-installed PVC insulated copper wire length is 20cm. Custom wire lengths (e.g., 50cm, 1m) and specialized connector attachments can be requested for bulk OEM orders.

5. What panel thickness is compatible with the 22mm mounting size?

The threaded metal body accommodates standard industrial control panel thicknesses ranging from 1mm up to 6mm, secured via the supplied copper alloy locking nut and plum blossom gasket.

6. Can the operating voltage be customized for non-standard industrial power supplies?

Yes. FILN engineers internal carbon film resistors to match custom operating voltages spanning from 3V up to 480V AC/DC according to exact client specifications.

7. What is the difference between pin-terminal and wire-lead indicator models?

Pin-terminal indicators require slip-on receptacle connectors or direct soldering, whereas wire-lead models come pre-wired for faster assembly and superior resistance against mechanical vibration.

8. Do FILN indicator lights carry international safety certifications?

Yes, FILN products are manufactured under ISO9001 quality systems and hold multiple international certifications including CE, VDE, RoHS, CCC, and UL compliance for specific series.

9. How do I request custom samples or technical data sheets?

You can directly contact FILN engineering and sales via email at inquiry@cnylin.com.cn to request product samples, 3D CAD models, or technical specification sheets.

10. What is the typical operational lifespan of the LED luminescent source?

The integrated high-brightness LED source is rated for 50,000 to 100,000 hours of continuous operational life under normal electrical and thermal conditions.



High Head Metal LED Indicator Light 220V 22MM with 20CM Pre-wired Leads | FILN

Product Summary


The FL1M-22SW-1 is a manufacturer-engineered led indicator light 220v 22mm designed for heavy-duty industrial control panels, automation machinery, and electrical distribution systems. Built by FILN as an experienced direct factory supplier, this high head metal pilot light features a robust copper alloy or plated zinc-aluminum housing, integrated 2PIN pre-wired leads, and an IP65 waterproof rating backed by a silicone O-ring seal. It provides clear visual status feedback for OEMs, panel builders, and industrial buyers seeking reliable bulk procurement and custom voltage options ranging from 3V to 480V AC/DC.

Buyers and procurement managers can easily source wholesale configurations, request custom wire lengths, or specify color options including red, green, yellow, blue, and white. FILN provides comprehensive technical documentation, OEM/ODM manufacturing support, and responsive engineering assistance for global industrial applications. Contact our factory team directly to request product samples, 3D models, or a commercial quotation for your upcoming project.

22mm 12v white copper High pressure indicator light

Key Takeaways & Purchasing Highlights


  • Product Identity: Industrial-grade 22mm high head metal led indicator light 220v 22mm (Model: FL1M-22SW-1) featuring a protruding lens for enhanced 180-degree visibility.
  • Mounting Specification: Standard 22mm mounting hole designed for secure single-nut panel installation with an included locking nut and metal gasket.
  • Electrical Versatility: Standard 220V configuration with custom operating voltage ranges from 3V to 480V AC/DC available upon factory request.
  • Protection Rating: IP65 waterproof and dustproof performance achieved via an integrated silicone O-ring sealing mechanism.
  • Wiring Configuration: 2PIN pre-wired lead design ensuring secure electrical connectivity and faster assembly times inside control cabinets.
  • Durable Construction: Heavy-duty copper alloy shell and high-brightness LED source designed to withstand continuous industrial vibration and thermal stress.
  • Color Options: Available in red, green, yellow, blue, and white high-intensity LED configurations for precise equipment status indication.
  • Certifications: Manufactured under ISO9001 quality management systems with compliance standards including CE, VDE, RoHS, and CCC.
  • Manufacturer Support: Direct factory supply from FILN offering OEM, ODM, custom wire harnessing, and bulk wholesale purchasing capabilities.
  • Application Scope: Widely deployed in CNC machinery, power distribution cabinets, new energy charging piles, marine control desks, and automation systems.

What Is a Metal LED Indicator Light?


An industrial indicator light is an essential visual signaling device used on control panels, switchgear, and machinery to communicate operational statuses, power conditions, and alarm warnings to operators. FILN manufactures a comprehensive selection of indicator lights available in both metal and plastic housing variants, covering mounting sizes from 6mm to 30mm. Electrical termination options include pin terminals and direct pre-wired lead configurations to suit diverse wiring environments.

Metal indicator lights are specifically engineered with flat, standard round, or protruding high head designs depending on optical and aesthetic requirements. The protruding head variant offers wide-angle visibility, ensuring operators can monitor equipment status clearly from multiple angles across industrial plant floors.

FILN manufactures robust metal indicator solutions designed to replace fragile plastic alternatives in demanding settings. Explore our complete collection of metal LED indicator lights or view specific dimensional options in our 22mm metal LED indicator light catalog. For immediate project evaluation, view product details on the 22mm high head indicator page.

FILN Metal Indicator Light Construction and Options

Product Overview & Engineering Principle


The FL1M-22SW-1 led indicator light 220v 22mm operates on standard electromechanical and solid-state illumination principles designed for continuous industrial duty. When energized with an AC or DC voltage source, current flows through an internal dropping resistor and illuminates a high-efficiency solid-state LED chip securely housed within a molded PC lamp holder.

The mechanical structure utilizes a precision-machined copper alloy shell that provides superior structural rigidity and thermal dissipation compared to standard polymer enclosures. The protruding high head lens maximizes light dispersion, projecting a bright, uniform signal across a 60-degree viewing angle.

Mainly applied in electrical control panels, CNC machinery, and power distribution systems, this indicator delivers exceptional reliability against mechanical shock and vibration. Certified to international quality benchmarks, it ensures stable, long-term operation in demanding factory automation environments.

Procurement managers and engineers can contact inquiry@cnylin.com.cn for customized wire harnesses, specific voltage ratings, or bulk factory direct quotations.

Quick Technical Specifications


Product Description Metal indicator light with integrated lead wires
Indicator Light Model FL1M-22SW-1
Mounting Hole Size 22mm (approx. 0.87 inches)
Rated Voltage 3V–480V DC/AC (Customizable per requirements)
LED Color Options Red (R), Green (G), Yellow (Y), Blue (B), White (W)
Waterproof Protection Rating IP65 / IP67 (when installed with silicone gasket)
Wiring Type 2PIN pre-wired lead wires (Standard length or customized)
Head Type Protruding High Head (Flat head and recessed options available)
Surface Quality Smooth and flat surface without burrs, oxidation, cracks, or visible molding defects.
Assembly Requirements Head assembly and base assembly are securely fitted to prevent rotation, detachment, tilt, or deformation.

Performance Parameters & Electrical Ratings


Rated Operating Voltage 3V to 480V DC/AC (Customizable per customer requirements)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength (Voltage Proof) 1500V–1800V AC, with no breakdown or flashover
Operating Life Expectancy 50,000 to 100,000 hours
Ingress Protection Rating IP65 / IP67 rated dust and moisture protection

Component Materials & Engineering Breakdown


Every component of the FL1M-22SW-1 indicator is selected for maximum durability, electrical safety, and environmental resistance in industrial applications.

Accessory / Component Name Material Composition Engineering Purpose
Shell / Body Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical strength, impact resistance, and electromagnetic shielding.
Lamp Holder PA66 Polyamide Offers high thermal stability, electrical insulation, and flame retardancy.
Lampshade / Lens Polycarbonate (PC) Ensures high optical clarity, light diffusion, and shatter resistance.
Luminescent Source High-brightness LED chip Delivers energy-efficient illumination with extended operational lifespan.
Resistor Carbon film resistor Regulates current flow across specified operating voltage ranges.
Lead Wire PVC insulated stranded wire Provides flexible, secure electrical connections resistant to bending fatigue.
Mounting Nut Copper alloy Ensures secure, vibration-resistant fastening against control panel surfaces.
O-Ring Seal Silicone / Silica gel Creates an effective moisture barrier meeting IP65 ingress standards.
Lock Washer Stainless steel plum blossom gasket Prevents loosening under continuous mechanical vibration.

Environmental Performance Testing


This specification covers the general operational limits and environmental endurance testing for FILN metal indicator light series.

Application Scope General operating parameters for metal indicator light series
Part Name Metal Indicator Light (Model: FL1M-22SW-1)
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% RH at +40°C
High Temperature Endurance Test 96 hours at 80 ± 2°C
Low Temperature Endurance Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Thermal Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Technical Specifications


Absolute Maximum Ratings (Ta = 25°C)

Maximum Forward Current (IFP) 20 mA
Reverse Voltage (VR) 5 V
Power Dissipation (PD) 60 mW
Operating Temperature Range (TOPR) -40°C ~ +80°C
Storage Temperature Range (TSTG) -40°C ~ +100°C
Lead-Free Soldering Temperature (TSOL) Max. 260°C for 3 sec. Max.

Electro-Optical Characteristics (Ta = 25°C)

Forward Voltage (VF) [IF = 20 mA] 2.8 V (Min.) ~ 3.2 V (Max.)
Reverse Current (IR) [VR = 5 V] 5 μA (Max.)
Viewing Angle (2θ1/2) [IF = 20 mA] 60°
Luminous Intensity (Iv) [IF = 20 mA] 500 mcd (Min.) ~ 800 mcd (Max.)
Recommended Forward Current (IF) 20 mA
Dominant Wavelength (λd) [IF = 20 mA] 520 nm ~ 525 nm
Junction Temperature (Tj) [IF = 20 mA] 125°C (Max.)
Thermal Resistance (RJP) [IF = 20 mA] 8°C/W (Typical)

Standard Test Conditions


Unless otherwise specified, all electrical and optical parameters are measured under controlled atmospheric testing conditions in accordance with factory quality assurance protocols:

Ambient Temperature 5°C ~ 35°C
Relative Humidity 45% ~ 85% RH
Air Pressure 86 ~ 106 kPa (860 ~ 1060 mbar)

Calibration & Measurement Notes:

  • Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for human eye response curves.
  • Measurement tolerances: Luminous intensity tolerance is ±15%; voltage measurement tolerance is ±0.1V.

Industrial Applications & Use Cases


Metal indicator lights feature high-strength copper alloy or stainless steel metal enclosures, delivering exceptional impact resistance and IP67 waterproof/dustproof protection suitable for demanding industrial and commercial environments.

While plastic indicator lights are prone to aging, cracking, and high-temperature deformation over prolonged use, metal indicator lights reliably adapt to harsh operating conditions, frequent switching cycles, and high-reliability requirements across multiple industries:

1. Industrial Automation & Machinery Manufacturing

This sector represents the primary application area for metal indicators operating under constant mechanical vibration, oil splashes, and particulate exposure. CNC machine control panels utilize red, yellow, and green indicators where green indicates normal running status, yellow indicates standby or warning, and red signals emergency stop or fault conditions. The metal shell resists cutting fluid and metallic chip erosion.

2. Outdoor Power & Renewable Energy Distribution Systems

Outdoor equipment subject to solar radiation, heavy rain, and wide temperature swings demands superior weather resistance. Electric vehicle charging piles utilize flat and high head metal status indicators where flashing blue or green signifies active charging and flashing red alerts operators to ground faults. IP67 sealing ensures dependable performance in public charging stations and photovoltaic combiner boxes.

3. Rail Transit, Commercial Vehicles & Marine Equipment

Mobile and marine installations experience severe mechanical shock and high salt-fog corrosion. Excavators, cranes, and bulldozer dashboard consoles utilize heavy-duty metal pilot lights for oil pressure, water temperature, and braking fault alerts, while marine control panels employ electroplated stainless steel housings to prevent saltwater degradation.

4. Commercial Vending & Public Access Equipment

Public installations require vandal-resistant components. Automated ticketing kiosks, gas station pump panels, and outdoor access control intercoms deploy metal indicator lamps to withstand physical impact while clearly communicating operational status.

5. Medical Equipment & Food Processing Machinery

Food packaging and medical sterilization equipment undergo frequent high-pressure washdowns and chemical disinfection. IP65/IP67 metal indicator lights withstand spray cleaning without internal component corrosion or chemical degradation.

Application of FILN Indicator Lights in Industrial Equipment

LED Indicator Color Meanings & Application Guide


Selecting the correct LED color is critical for effective operator communication and safety compliance on industrial control panels. Indicator color conventions generally follow standardized engineering practices, though specific meanings can vary by machine manufacturer and control system design.

Color Common Industrial Meaning Typical Status Typical Application Recommended Environment
Red Danger, Emergency, Stop Fault, Emergency Stop, Alarm Machine stop buttons, overpressure alarms All industrial control panels requiring immediate attention
Green Normal, Safe, Ready Power On, Running, Normal Operation Main power supply indicator, automatic cycle start Standard machinery and automation control desks
Yellow / Amber Caution, Warning, Standby Standby, Pre-heating, Minor Warning Temperature controller status, material low alert Processing equipment and monitoring terminals
Blue Mandatory Action, Information Charging Active, Cooling Mode EV charging piles, refrigeration unit monitors New energy equipment and specialized electronics
White General Status, Neutral Circuit Active, Panel Illumination Auxiliary circuit monitoring, cabinet service power General electrical distribution switchboards

FILN offers single-color, dual-color, and tri-color indicator configurations to accommodate complex system feedback requirements. For custom color specifications, contact our engineering team at inquiry@cnylin.com.cn.

Technical Installation Guide


Proper mechanical and electrical installation ensures optimal IP65 sealing performance and long-term operational reliability of the FL1M-22SW-1 metal indicator light.

  1. Panel Preparation: Drill or punch a precise 22mm diameter hole in the mounting panel. Ensure the panel surface is clean, flat, and free of burrs or metal shavings.
  2. Waterproof Seal Placement: Slide the provided silicone waterproof O-ring onto the threaded body of the indicator light before insertion.
  3. Component Insertion: Insert the indicator light assembly from the front side of the control panel through the 22mm mounting hole.
  4. Rear Fastening: Thread the stainless steel plum blossom lock washer and the copper alloy mounting nut onto the rear body from behind the panel.
  5. Secure Tightening: Tighten the mounting nut firmly using appropriate hand tools to compress the silicone O-ring, ensuring a secure mechanical fit and IP65 waterproof seal. Avoid over-tightening to prevent thread stripping.
  6. Electrical Wiring: Connect the integrated 2PIN pre-wired leads to the power source in accordance with your electrical schematic, observing proper polarity for DC circuits.
  7. Post-Installation Inspection: Verify that the indicator is firmly seated without tilting or rotation, and test electrical continuity and illumination prior to full system commissioning.
FILN Indicator Light Panel Installation Diagram

Electrical Wiring & Termination Guide


Understanding proper wiring methods is essential for safe and reliable control panel assembly. Indicator lights are manufactured with either pin terminals or direct lead wires depending on the specific model configuration.

Pin-terminal indicators require female spade connectors or direct soldering onto contact pins, requiring careful heat shrink insulation to prevent short circuits. In contrast, pre-wired indicators like the FL1M-22SW-1 feature integrated flexible lead wires that streamline installation.

Directly pre-wired indicator leads can be connected to the main circuit using quick-link terminal blocks, soldered connections, or professional electrical insulating tape to guarantee connection stability under vibration.

Safety Warning: Always ensure that power is completely disconnected and locked out before performing any electrical wiring or maintenance work.

Industry Knowledge & Maintenance Center


Metal indicator lights serve as vital visual interfaces in modern industrial systems. Maintaining optimal performance requires adherence to proper selection, installation, and inspection protocols.

Preventing Phantom Illumination: Low-current LED indicators operating on 12V or 220V circuits can occasionally exhibit faint glowing or phantom illumination caused by residual leakage currents from solid-state PLC output modules or long cable capacitance. Implementing an appropriate bleeder resistor or matching relay resolves this condition.

Routine Maintenance: Periodically inspect panel-mounted indicators for physical damage, secure nut tightness, and wiring integrity. For equipment operating in corrosive chemical washdown environments, verify that silicone sealing gaskets remain pliable and intact to maintain IP65 protection ratings.

Buyer Decision Guide & Material Selection


Choosing the right metal indicator light involves evaluating physical dimensions, electrical ratings, environmental exposure, and shell materials. FILN offers various shell materials tailored to specific operating environments:

Shell Material Key Advantages Limitations Recommended Operating Environment
Nickel-Plated Brass High mechanical strength, excellent machining precision, cost-effective metal option. May exhibit surface wear in highly corrosive chemical atmospheres over time. Standard industrial control panels, automation machinery, indoor switchgear.
Stainless Steel Superior corrosion resistance, aesthetic finish, exceptional durability. Higher material and manufacturing cost compared to brass. Marine environments, food processing equipment, medical devices, outdoor installations.
Zinc-Aluminum Alloy Lightweight, adaptable for complex housing designs, good impact resistance. Lower tensile strength than solid stainless steel or brass. Commercial equipment, appliance panels, general indoor electrical devices.

Specification-to-Decision Framework:

  • Mounting Hole Size (22mm): Determines physical panel compatibility. Ensure panel punch dimensions match standard industrial cutouts.
  • Voltage (3V to 480V): Determines electrical compatibility. Confirm whether your circuit operates on AC or DC power.
  • IP Rating (IP65/IP67): Determines environmental suitability against dust, water spray, and moisture ingress.

Request for Quotation (RFQ) Checklist:

When submitting an inquiry to FILN, providing complete specifications accelerates order processing and technical verification:

  • Model Number & Quantity
  • Mounting Hole Size & Head Type
  • Operating Voltage & Current Type (AC/DC)
  • LED Color & Wiring Lead Length
  • Special Certifications or Custom Packaging Requirements

Contact our sales and engineering team at inquiry@cnylin.com.cn to request your customized quotation.

FILN Manufacturing & Engineering Capabilities


FILN operates as an established direct manufacturer specializing in indicator lights, push button switches, and electrical control components. Our engineering capabilities support global OEM and ODM buyers through rigorous quality control, custom tooling design, and responsive technical communication.

With dedicated R&D facilities, automated assembly lines, and in-house environmental testing laboratories, FILN provides customized electrical solutions, bespoke wire harnessing, and flexible small-batch or mass-production support for industrial clients worldwide.

FILN Manufacturing Facility and Engineering Team

Factory Direct Supply & Global Reach


Factory Introduction: Yueqing Yulin Electronic Co., Ltd., operating under the brand name FILN in Wenzhou, Zhejiang, China, was established in 2006 as a professional electrical switch and indicator manufacturer integrating research, development, production, and sales. FILN products are distributed across more than 100 countries.

FILN operates a modern 10,000 m² manufacturing facility equipped with over 20 advanced production lines and an independent testing laboratory. Driven by rigorous ISO9001 quality management systems, FILN delivers reliable electrical performance and certified components (UL, CE, RoHS, REACH, TUV, CB, CCC) deployed in kitchen appliances, energy storage systems, EV charging infrastructure, automotive engineering, marine consoles, and security equipment.

Production Capabilities: Specialized manufacturing of indicator lights, push button switches, rocker switches, toggle switches, and customized electrical assemblies.

Quality & Certifications: Certified under ISO9001, CE, VDE, RoHS, SGS, UL, CCC, and IP65 protection standards.

Export Markets: Global distribution across North America, Europe, South America, Asia, and Oceania.

Manufacturing Advantages: Direct engineer-to-client technical consultations, custom solution development, and prompt sample support.

Official Resources: Visit our official website at www.filn.com or contact our sales and engineering team directly via email at inquiry@cnylin.com.cn.

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions


1. How to prevent phantom illumination (faint glowing) in 12V and 220V LED indicators?

Faint glowing or residual illumination in LED indicators is typically caused by leakage currents from solid-state PLC outputs or induced voltages across long signal cables. Installing an appropriately rated bleeder resistor or matching relay across the indicator terminals absorbs the residual leakage current and ensures complete shutoff when power is disconnected.

2. Can this IP67 indicator light be washed down with caustic chemicals?

Yes, the metal shell and IP65/IP67 waterproof sealing design allow the indicator light to withstand standard industrial washdown procedures. However, prolonged exposure to highly concentrated caustic chemical agents should be tested against specific material compatibility guidelines provided by FILN engineering.

3. What is the difference between pin-terminal and pre-wired metal indicators?

Pin-terminal indicators require separate spade connectors or soldering during panel assembly, offering modular wiring flexibility. Pre-wired indicators feature factory-attached lead wires that simplify installation, reduce assembly time, and provide secure electrical connections inside vibration-prone control cabinets.

4. Are custom operating voltages available for the FL1M-22SW-1 model?

Yes, FILN offers custom voltage configurations ranging from 3V to 480V AC/DC to match your exact electrical control system requirements. Contact our factory team to specify your operating voltage.

5. How do I ensure proper waterproof sealing during panel installation?

Ensure that the mounting panel hole is cleanly punched to 22mm without burrs. Always place the supplied silicone O-ring between the indicator head and the front panel surface before tightening the rear locking nut securely.

6. What are the lead times for bulk wholesale orders from FILN?

Standard product lead times typically range from 5 to 10 business days depending on order volume and custom wiring specifications. Contact our sales team at inquiry@cnylin.com.cn for precise delivery estimates.

7. Does FILN provide OEM and ODM customization services?

Yes, FILN offers comprehensive OEM and ODM manufacturing services, including custom wire harnesses, specialized laser marking, custom shell plating, and tailored packaging for global brand partners.

8. How can I request product samples or 3D CAD models?

Engineering samples and 3D CAD models are available upon request. Please email your technical requirements directly to our engineering support team at inquiry@cnylin.com.cn.

Flat Head Metal Indicator Light Green LED 2PIN Big Size Light | FILN

Executive Product Summary

The FILN indicator light green model FL1M-22FJ-1 is a heavy-duty 22mm flat head metal indicator light engineered for demanding industrial control systems, automation machinery, and electrical distribution panels. Designed by FILN as an experienced manufacturer, this industrial signal lamp features a robust copper alloy or black-plated zinc-aluminum alloy shell paired with an IP65/IP67 waterproof rating, delivering superior durability over conventional plastic alternatives. Operating across a flexible voltage range of 3V to 480V DC/AC with a 2-pin terminal connection, it provides reliable visual feedback for OEM equipment builders, panel integrators, and industrial buyers seeking bulk wholesale supply, custom voltage options, and factory-direct technical support.

22mm stainless steel ip68 metal navigation indicator light

Key Takeaways for Buyers and Engineers

  • Product Identity: The FILN indicator light green model FL1M-22FJ-1 is a 22mm panel-mount flat head metal pilot light engineered for rigorous industrial environments.
  • Robust Construction: Built with a copper alloy or zinc-aluminum shell, offering superior mechanical strength, impact resistance, and longevity compared to standard plastic indicators.
  • Environmental Protection: Features an integrated silicone waterproof O-ring achieving an IP65/IP67 rating, protecting internal electronics from dust, moisture, and washdown chemicals.
  • Electrical Versatility: Supports a wide operating voltage range from 3V to 480V AC/DC, accommodating diverse industrial power architectures and control circuits.
  • Terminal Connection: Equipped with secure 2-pin terminals (6.3mm width) designed for stable electrical insertion and reliable signal transmission.
  • Visual Clarity: The flat head design delivers bright, uniform green LED illumination for clear status identification on complex control panels.
  • Easy Installation: Utilizes a standard single-nut mounting method for secure panel retention in a 22mm circular cutout.
  • Certifications: Manufactured under ISO9001 quality management systems with CE, VDE, RoHS, and CCC compliance for global market deployment.
  • Customization Support: FILN offers comprehensive OEM and ODM support, including custom wire leads, specific voltages, and laser marking for bulk orders.
  • Procurement Advantage: Direct factory supply ensures stable lead times, rigorous quality control, and dedicated engineering assistance for B2B procurement managers.

What is Indicator Light Green?

An indicator light green component serves as a critical visual signaling device in industrial electrical systems, communicating normal operation, safe running status, or power-on conditions to operators. The FILM metal indicator light series is available in two primary material categories: metal indicators and plastic indicators, spanning mounting hole sizes from 6mm to 30mm. Regarding electrical termination, buyers can select between 2-pin terminal models and wire-lead configurations to suit specific assembly workflows. Metal indicator variants specifically offer three distinct outer head styles—flat head, protruding head, and recessed head—allowing engineers to tailor the panel aesthetics and tactile profile to exact operational requirements.

Engineered for longevity, this category provides robust resistance against mechanical shock and environmental wear. For comprehensive exploration of all available options, view the complete metal indicator light collection.

FILN Metal Indicator Light Series Overview

Product Overview

The FILN indicator light green model FL1M-22FJ-1 operates by converting electrical input into visible optical radiation via an integrated high-efficiency LED chipset and internal current-limiting resistor. Mechanically, the unit relies on a threaded cylindrical barrel secured by a heavy-duty hex nut behind the panel, pressing a silicone O-ring firmly against the panel surface to create an impenetrable waterproof seal. Electrically, current flows through 6.3mm wide 2-pin terminals, energizing the semiconductor emitter housed within a flame-retardant PA66 holder and protected by a durable polycarbonate lens.

Designed for industrial automation, switchgear cabinets, and machinery consoles, this model delivers exceptional resistance to vibration, thermal cycling, and electrical noise. Its standardized 22mm mounting dimension ensures seamless retrofit and integration into existing global industrial enclosures without requiring panel modification.

Quick Specifications

Technical Parameter Specification Detail
Product Description Metal indicator light with terminal pins
Indicator Light Model FL1M-22FJ-1
Mounting Hole Size 22 mm (approx. 0.87 inches)
Voltage Range 3V – 480V DC/AC (Customizable)
LED Color Green (R / G / Y / B / W options available)
Waterproof Rating IP65 / IP67
Wiring Type 2-Pin Terminal (Pin width: 6.3mm)
Head Type Flat Head (Circular luminous surface)
Surface Quality Smooth and flat without burrs, oxidation, cracks, or visible defects
Assembly Requirements Head assembly and base fitted properly, ensuring no rotation, detachment, tilt, or deformation

Performance Parameters

Performance Category Parameter Specification
Rated Operating Voltage 3V–480V DC/AC (Customized per customer requirements)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC between lead wires and housing)
Dielectric Strength 1500V–1800V AC, no breakdown or flashover
Operating Life 50,000 to 100,000 hours
Ingress Protection IP65 / IP67 waterproof and dustproof

Component Materials

Every component within the FILN indicator light green assembly is selected to withstand severe industrial environments, ensuring mechanical rigidity, electrical safety, and long-term corrosion resistance.

Component Part Name Material Specification Engineering Purpose
Shell Copper alloy / Black-plated zinc-aluminum alloy Provides high mechanical impact strength and corrosion resistance.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability and electrical insulation.
Lampshade / Lens PC (Polycarbonate) Ensures high light transmission and shatterproof impact resistance.
Luminescent Source High-brightness LED Delivers energy-efficient, long-life optical signal output.
Resistor Carbon film resistor Regulates operating voltage across internal circuitry.
Wire / Lead Wire PVC Provides flexible electrical insulation for wired configurations.
Nut Copper alloy Secures firm panel mounting without thread stripping.
O-Ring Silicone / Silica gel Maintains IP67 watertight seal against moisture and dust ingress.
Lock Washer Stainless steel (Plum blossom gasket) Prevents loosening under continuous mechanical vibration.

Environmental Performance

This specification outlines the general operational envelope for the FILN metal indicator light series, ensuring reliable performance across extreme thermal and climatic conditions.

Environmental Test Parameter Test Specification & Limits
Application Scope General use range for Metal Indicator Light series
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours at 80 ± 2°C
Low Temperature Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Specification & Characteristics

The integrated green LED component adheres to strict semiconductor standards to ensure optimal luminous efficiency, color purity, and operational lifespan within industrial circuits.

Parameter Category Test Condition & Limit
Maximum Forward Current (IFP) 20 mA (Max safe operating limit)
Reverse Voltage (VR) 5 V (Max)
Power Dissipation (PD) 60 mW (Max)
Forward Voltage (VF) Test IF = 20 mA | Range: 2.8V (Min) ~ 3.2V (Max)
Reverse Current (IR) Test VR = 5 V | 5 μA (Max)
Viewing Angle (2θ1/2) Test IF = 20 mA | Typical Value: 60°
Luminous Intensity (Iv) Test IF = 20 mA | Range: 500 mcd ~ 800 mcd
Dominant Wavelength (λd) Test IF = 20 mA | Range: 520 nm ~ 525 nm (Green)
Junction Temperature (Tj) Max 125°C at IF = 20 mA
Lead-Free Soldering Temp Max 260°C for 3 seconds max

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters for the indicator light green model are measured under standardized atmospheric test conditions to guarantee absolute data accuracy:

  • Ambient Temperature: 5°C to 35°C
  • Relative Humidity: 45% to 85%
  • Air Pressure: 86 to 106 kPa (860 to 1060 mbar)

Measurement Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for the human eye response curve. Tolerance of luminous intensity measurement is ±15%, and voltage measurement tolerance is ±0.1V.

Applications by Industry

The FILN metal indicator light series utilizes high-strength copper alloy or stainless steel metal shells, delivering exceptional impact resistance and an IP67 waterproof and dustproof rating across industrial and high-end commercial sectors. While plastic indicators are prone to aging, cracking, and high-temperature deformation over time, metal indicator lights are specifically engineered for harsh operating environments, frequent operation, and high-reliability requirements.

1. Industrial Automation & Machinery Manufacturing

This sector represents the core application environment where control panels face continuous mechanical vibration, cutting fluids, and physical impacts.

  • CNC Machine Tools & Machining Centers: Control panels feature red, yellow, and green metal indicator lights where green denotes normal operation, yellow indicates standby/warning, and red signals emergency stop or fault conditions. The metal shell resists cutting fluid and metal chip corrosion.
  • Automation Production Line Control Cabinets: Large distribution cabinets and PLC panels utilize 6mm and 8mm metal indicators compatible with AC220V and DC24V power supplies to display power status clearly.
  • Hydraulic & Pneumatic Equipment: Applied in oil pump start/stop and pressure overload warnings. Integrated terminal metal indicators maintain secure internal LED and resistor connections under heavy equipment vibration, preventing wire breakage compared to pin-socket types.

2. Outdoor Power & Renewable Energy Distribution Systems

Outdoor equipment experiences prolonged sun exposure, rain, and extreme thermal swings, demanding robust weather resistance.

  • EV Charging Piles: Outdoor DC and AC charging stations utilize flat head metal status indicators where blinking blue/green signifies active charging, steady light indicates completion, and blinking red warns of leakage or ground faults. IP67 waterproof and vandal-resistant construction suits public high-frequency use.
  • Outdoor Distribution Boxes & Solar Combiner Boxes: Photovoltaic stations and municipal outdoor cabinets display high-voltage closing and inverter operating status across an operating range of -40°C to +80°C.

3. Rail Transit, Engineering Vehicles & Marine Equipment

Vehicles and marine vessels endure severe vibrational shocks and high salt-fog corrosive atmospheres.

  • Engineering Vehicle Dashboards: Excavators, cranes, and bulldozers utilize dashboard indicators for oil pressure, water temperature, lighting, and braking faults in dusty and high-shock environments.
  • Marine & Port Control Equipment: Ship cabins and deck control boxes use plated stainless steel metal indicators to resist salt-fog corrosion, supported by silicone O-rings preventing seawater ingress.

4. Commercial Self-Service & Public Security Facilities

Public equipment requires high durability against physical impacts and tampering.

  • Vending & Ticketing Machines: Paired with metal vandal-resistant push buttons to indicate coin insertion, dispensing, and change status.
  • Gas Station Dispenser Panels: Hazardous explosive environments benefit from metal indicator shells that provide proper electrical grounding and safety isolation.
  • Outdoor Access Control & Video Intercoms: Stainless steel intercom panels utilize red and green indicator lights to distinguish locked and unlocked door states.

5. Medical Equipment & Food Processing Machinery

Industries requiring frequent high-pressure washdown and chemical sterilization demand high hygiene and waterproof standards.

  • Food Filling & Packaging Equipment: Daily high-pressure hot water and chemical cleaning is withstood by IP67 metal indicator lights without internal component corrosion.
  • Medical Sterilizers & Lab Consoles: High-temperature autoclaves utilize indicator lights to differentiate heating, sterilization, and exhaust cycles.
FILN Indicator Light Industrial Applications

LED Indicator Color Meanings and Application Guide

Indicator lights communicate operational states through standardized color conventions. Below is an overview of the five common industrial colors and their typical applications:

  • Red: Typically denotes danger, emergency stop, fault, or alarm status. Used in emergency shutdown buttons and error warnings.
  • Green (Indicator Light Green): Signifies normal operation, safe running condition, power-on status, or go-ahead signals in automation panels.
  • Yellow / Amber: Indicates caution, standby mode, pre-warning, or abnormal temperature/pressure conditions before a fault occurs.
  • Blue: Used for general information, specific manual intervention states, or active charging status in EV equipment.
  • White: Denotes neutral system status, normal power supply indication, or general auxiliary functions.
Color Common Meaning Typical Equipment Status Typical Application Recommended Environment
Green Normal / Safe / Go Machine running smoothly Power-on / System ready Standard control panels
Red Emergency / Stop / Fault System error / E-stop active Alarm / Trip indication Industrial switchgear
Yellow Caution / Standby Pre-warning / Maintenance Temperature / Pressure alert Automation machinery
Blue Mandatory / Information Charging / Manual mode EV chargers / Consoles Outdoor charging piles
White Neutral / Auxiliary Circuit energized General power indicator Control enclosures

Note: Indicator color conventions can vary by equipment manufacturer, control-system design, industry standard, and regional regulations. FILN offers single-color, dual-color, and tri-color indicator configurations upon request.

Installation Guide

Proper installation ensures secure mechanical mounting and maintains the IP65/IP67 waterproof integrity of the indicator light green model. Follow these step-by-step instructions:

  1. Prepare Tools: Gather a precision drill, circular hole saw, Calipers, and a suitable wrench.
  2. Panel Preparation: Measure and drill a precise 22mm circular mounting hole in the target equipment panel. Ensure the mounting surface is clean, flat, and free of burrs or oil.
  3. Insert Indicator: Remove the rear mounting nut and spring washer from the indicator barrel. Insert the metal indicator light from the front side of the panel, ensuring the silicone waterproof O-ring is correctly seated between the bezel and the panel surface.
  4. Secure Fastening: From the rear side of the panel, thread the stainless steel plum blossom lock washer and the copper alloy fastening nut onto the threaded barrel. Tighten firmly to compress the O-ring and achieve an IP65 seal.
  5. Electrical Connection: Attach the circuit wires to the 2pin terminal pins (6.3mm width) using appropriate quick-disconnect receptacles, or solder securely with insulating heat-shrink tubing.
  6. Post-Installation Inspection: Verify mechanical rigidity, check that the indicator does not rotate or tilt, and confirm electrical continuity and correct voltage polarity before energizing the system.
FILN Indicator Light Installation Diagram

Wiring Guide

Understanding proper wiring techniques ensures long-term electrical reliability and prevents connection failures in industrial control panels.

  • Terminal Pin Indicators: The FL1M-22FJ-1 features 2-pin terminals with a 6.3mm width. These are wired using standard insulated quick-disconnect female spade connectors, ensuring a firm mechanical grip and easy maintenance replacement. Alternatively, wires can be soldered directly to the pins, followed immediately by insulating heat-shrink tubing to prevent accidental short circuits.
  • Wire-Lead Indicators: Direct wire-lead indicator models utilize pre-attached PVC wires that can be linked to the main control circuit using quick-connection terminal blocks, soldered joints, or wrapped securely with professional electrical tape to ensure connection stability.
  • Safety Warning: Always disconnect main power and verify zero voltage using a multimeter before performing any electrical wiring or maintenance.

Industry Knowledge Center

Industrial indicator lights are fundamental human-machine interface (HMI) components. Selecting the correct device involves understanding electrical ratings, thermal limits, and environmental sealing standards. Metal indicators prevent the structural degradation common in plastic housings exposed to UV radiation and industrial solvents. Proper maintenance involves periodic inspection of terminal tightness and seal integrity, ensuring uninterrupted system feedback and compliance with international electrical safety directives.

Buyer Decision Guide & Material Selection

Choosing the appropriate metal indicator light requires evaluating environmental exposure, mechanical stress, and electrical requirements. FILN offers shells in nickel-plated brass, stainless steel, and zinc-aluminum alloy.

Shell Material Advantages Disadvantages / Limitations Recommended Application
Nickel-Plated Brass Cost-effective, excellent conductivity, durable finish. May corrode in extreme marine salt-fog over years. Standard industrial machinery, indoor control panels.
Stainless Steel Superior corrosion resistance, high impact toughness. Higher material cost. Marine, food processing, medical, outdoor public panels.
Zinc-Aluminum Alloy Lightweight, versatile casting, excellent plating base. Lower tensile strength than solid stainless steel. General commercial equipment, automation enclosures.

Recommended Similar Products

RFQ Checklist for Procurement Managers

When requesting a quotation for indicator light green models, providing the following specifications ensures rapid and accurate quotation processing by FILN engineering:

  • Product Type & Model (e.g., FL1M-22FJ-1)
  • Mounting Hole Size (e.g., 22mm)
  • Operating Voltage & Current Type (e.g., 24V DC or 220V AC)
  • LED Color (e.g., Green)
  • Head Type & Material (e.g., Flat head, Brass nickel-plated)
  • Wiring Method (e.g., 2-Pin Terminal or Wire Lead)
  • Waterproof & Certification Requirements (e.g., IP67, CE, RoHS)
  • Order Quantity & Packaging Specifications

FILN Manufacturing and Engineering Capabilities

As an established electrical component manufacturer, FILN provides comprehensive R&D, custom engineering, OEM/ODM production, and rigorous quality testing. Our engineering team collaborates directly with global B2B clients to resolve complex application challenges, offering small-batch samples and scalable mass production backed by international certifications.

About FILN Manufacturer R&D and Engineering

Factory Direct Supply – Yueqing Yulin Electronic Co., Ltd. (FILN)

Yueqing Yulin Electronic Co., Ltd. (brand name FILN), located in Wenzhou, Zhejiang, China, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Premium FILN brand products are distributed across more than 100 countries worldwide. FILN operates a modern 10,000 m² manufacturing facility equipped with over 20 advanced production lines and an independent testing laboratory. Driven by strict ISO9001 quality management systems, FILN delivers exceptional industrial performance and reliability.

  • Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and customized small electrical components.
  • Quality System & Certifications: ISO9001, CE, VDE, RoHS, SGS, UL, IP65/IP67, TUV, CCC.
  • Global Export Markets: Supplied worldwide across North America, Europe, Asia, and South America.
  • Manufacturing Advantages: Professional engineers available for custom project consultations and specialized technical solutions.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12v LED indicators?

Phantom illumination or faint glowing in 12V LED indicators is typically caused by residual leakage current from solid-state PLC outputs, triacs, or long parallel wiring capacitance. To eliminate this issue, install an appropriately sized bleeder resistor or anti-ghosting resistor in parallel across the indicator terminals to bleed off stray leakage current.

2. Can this IP67 indicator light be washed down with caustic chemicals?

Yes, stainless steel models equipped with silicone O-ring seals withstand daily high-pressure washdowns and standard industrial chemical cleaning agents used in food processing and medical environments without compromising ingress protection.

3. What is the standard panel cutout size for model FL1M-22FJ-1?

The required panel mounting hole diameter is exactly 22mm (approximately 0.87 inches), making it fully compatible with standard industrial enclosures and control console punch patterns.

4. What operating voltage range is supported by this indicator light green model?

This model supports a versatile operating voltage range from 3V to 480V DC/AC, with internal resistors tailored to the specific voltage specified during order placement.

5. What is the difference between terminal pin and wire lead connection types?

Terminal pin models (such as the 2-pin 6.3mm width pins) allow quick push-on spade connector attachment and easy modular replacement. Wire lead models come with pre-attached PVC cables, saving installation time in tight spaces where soldering or connectors are less convenient.

6. Are custom wire lengths available for bulk OEM orders?

Yes, FILN offers full OEM/ODM customization services, allowing bulk buyers to specify custom wire lengths, specialized connector plugs, and custom wire harnesses.

7. What international certifications do FILN metal indicator lights carry?

FILN metal indicator lights are manufactured under ISO9001 quality systems and carry CE, VDE, RoHS, SGS, UL, and CCC certifications, ensuring compliance with global export standards.

8. How does the flat head design affect light distribution?

The flat head design provides a flush, low-profile panel aesthetic with a wide 60-degree viewing angle, ensuring bright and clear status visibility from multiple operator vantage points.

9. What materials are available for the indicator shell?

FILN offers nickel-plated brass, stainless steel, and black-plated zinc-aluminum alloy shells, catering to varying requirements for corrosion resistance and mechanical strength.

10. How is the waterproof seal achieved during installation?

Waterproofing is achieved by placing the included silicone O-ring between the indicator bezel and the front panel surface, then tightening the rear mounting nut to compress the seal and achieve an IP67 rating.

11. What is the typical lifespan of the LED luminescent source?

The high-brightness LED chipset is rated for an operational lifespan of 50,000 to 100,000 hours under standard electrical and environmental operating conditions.

12. Can FILN provide 3D CAD models for engineering integration?

Yes, engineers and procurement managers can request 3D CAD drawings and technical specification datasheets directly by emailing inquiry@cnylin.com.cn.

13. Is the indicator light compatible with both AC and DC power supplies?

Yes, internal configuration can be tailored for either AC or DC circuits, supporting frequencies of 50/60 Hz for alternating current applications.

14. What is the maximum panel thickness supported by the mounting hardware?

The standard threaded barrel accommodates panel thicknesses ranging from 1mm up to 6mm, with custom extended barrels available upon request for thicker enclosures.

15. How do metal indicators compare to plastic indicators in durability?

Metal indicators offer superior resistance to physical impact, UV degradation, high temperatures, and chemical exposure compared to standard plastic indicators which can become brittle or yellow over time.

16. What is the lead time for custom bulk orders?

Standard catalog items ship promptly from factory inventory, while custom voltage, wire length, or laser-marked OEM orders typically require standard manufacturing lead times confirmed during quotation.

17. Do you provide samples for testing before mass production?

Yes, FILN supports sample requests for engineering evaluation and prototype testing prior to committing to bulk wholesale production runs.

18. What is the purpose of the stainless steel plum blossom lock washer?

The plum blossom gasket bites into the mounting surface and nut threads, preventing the assembly from loosening under continuous machine vibration.

19. Can the indicator light be used in outdoor photovoltaic combiner boxes?

Yes, the wide operating temperature range (-40°C to +80°C) and IP67 weather resistance make it ideal for solar energy installations and outdoor combiner boxes.

20. How can I contact FILN sales and technical support?

You can reach FILN directly via email at inquiry@cnylin.com.cn or visit our official website at www.filn.com for immediate technical assistance and quotation requests.


Indicator Light 22mm 24v High Head Metal LED Pilot Lamp 3-480V| FILN

Summary

The indicator light 22mm 24v model FL1M-22SJ-1 is a heavy-duty industrial pilot lamp engineered and manufactured by FILN. Designed for electrical engineers, control panel builders, and B2B industrial equipment manufacturers, this high head metal indicator light provides clear visual status signaling across machinery, automation switchboards, and power distribution units. Featuring a durable copper alloy shell, an IP65 waterproof rating, and a secure 2PIN plug terminal configuration, it ensures reliable operation in demanding environments. FILN supports comprehensive bulk wholesale, OEM, and ODM customization options, providing flexible voltage ratings from 3V to 480V AC/DC and multiple LED color choices. Industrial buyers should confirm operating voltage requirements, mounting specifications, and environmental conditions prior to placing bulk orders to ensure optimal compatibility.

22mm 110v power box metal indicator light

Key Takeaways

  • The indicator light 22mm 24v model FL1M-22SJ-1 features a high head design for enhanced 180-degree optical visibility on crowded control panels.
  • Constructed with a robust copper alloy shell, offering superior mechanical strength and impact resistance compared to standard plastic indicators.
  • Equipped with a dependable 2PIN plug terminal configuration for secure electrical connection and streamlined maintenance.
  • Achieves an IP65 waterproof rating when installed with the included silicone sealing gasket and precision locking nut.
  • Supports flexible operating voltages ranging from 3V to 480V AC/DC with customizable voltage specifications upon request.
  • Available in standard LED illumination colors including Red, Green, Yellow, Blue, and White for distinct operational status signaling.
  • Designed for single-hole panel mounting with a standardized 22mm diameter cutout, simplifying equipment assembly.
  • Manufactured directly by FILN with stringent quality controls, catering to global B2B wholesale, OEM, and custom industrial projects.

What is indicator light 22mm 24v

The indicator light 22mm 24v is a specialized electrical pilot device designed to visually communicate equipment operating status, power conditions, and fault alerts in industrial machinery. Structurally, it consists of a robust metal housing, a high-brightness internal LED light source, a protective lens, terminal pins, and a threaded mounting collar. Its primary purpose is to provide operators and maintenance personnel with instant visual feedback regarding circuit conditions. Indicator lights are manufactured in two core material categories: metal indicator lights and plastic indicator lights, spanning physical mounting sizes from 6mm to 30mm. Regarding electrical termination, buyers can choose between 2PIN plug-in terminal models and pre-wired lead configurations. Metal indicator lights feature three distinct head profiles—flat head, high raised head, and recessed head—allowing engineers to select the optimal physical appearance and visibility profile for specific application requirements.

FILN Metal Indicator Light Construction and Options

Product Overview

The indicator light 22mm 24v model FL1M-22SJ-1 operates on core electromechanical principles to convert electrical signals into clear optical status indications. Electrically, when voltage is applied across the 2PIN terminals, current flows through the internal current-limiting resistor and high-brightness LED chip, generating concentrated light emission directed through the molded polycarbonate lens. Mechanically, the precision-machined copper alloy shell secures the internal optical components while providing structural rigidity against physical shock, vibration, and environmental ingress. Main applications encompass industrial automation control boards, electrical power distribution cabinets, CNC machine tools, and heavy equipment dashboards. Key industrial advantages include long operational lifespan, minimal power consumption, excellent thermal dissipation, and resistance to physical wear. Certified to rigorous international standards including CE, VDE, and RoHS, this indicator light delivers dependable performance for OEM system integrators worldwide.

Quick Specifications

Technical Parameter Specification Details
Product Description Metal indicator light with 2PIN terminals
Indicator Light Model FL1M-22SJ-1
Mounting Hole Size 22mm (approx. 0.87 inches)
Voltage Range 3V–480V DC/AC (Customizable)
LED Color Options Red / Green / Yellow / Blue / White (R/G/Y/B/W)
Waterproof Rating IP65 / IP67 (Configuration dependent)
Wiring Type 2PIN Pin Terminal
Head Type High Head / Convex Head (Flat head optional)
Surface Quality Smooth and flat without burrs, oxidation, cracks, or visible defects.
Assembly Requirements Head and base assembly properly fitted, ensuring no rotation, detachment, tilt, or deformation.

Performance Parameters

Performance Parameter Technical Specification
Rated Operating Voltage 3V–480V DC/AC (or customized per customer requirements)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength 1500V–1800V AC, no breakdown or flashover
Operating Life 50,000 to 100,000 hours (50,000 h – 100,000 h)
Ingress Protection Rating IP65 / IP67

Component Materials

The selection of high-grade engineering materials ensures the indicator light 22mm 24v maintains structural integrity and electrical reliability in corrosive or high-vibration industrial environments.

Component Part Name Material Specification Engineering Purpose
Shell Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical durability, impact resistance, and grounding continuity.
Lamp Holder PA66 Offers high thermal stability and flame retardancy for internal housing.
Lampshade / Lens Polycarbonate (PC) Ensures high optical clarity, light diffusion, and shatter resistance.
Luminescent Source High-brightness LED Delivers energy-efficient, long-life optical illumination.
Resistor Carbon film resistor Regulates operating current and stabilizes voltage input.
Wire / Lead Wire PVC Provides flexible, insulated electrical conductivity.
Nut Copper alloy Secures tight panel mounting without stripping threads.
O-Ring Silicone / Silica gel Seals against moisture, dust, and fluid ingress (IP65/67).
Lock Washer Stainless steel Prevents fastener loosening under continuous mechanical vibration.

Environmental Performance

This specification defines the operational limits and environmental endurance standards for the indicator light series metal indicator light.

Test Parameter Environmental Specification
Application Scope General use range for Metal Indicator Light series.
Part Name Metal Indicator Light
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤85% at +40℃
High Temperature Test 96 hours at 80±2℃
Low Temperature Test 96 hours at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90%~95%RH
Temperature Cycling Test Alternate between -40℃ (30min) and 85℃ (30min), 5 cycles total

LED Specification

Absolute maximum ratings and electro-optical characteristics of the embedded LED chip utilized within the indicator light 22mm 24v.

Parameter Category Test Condition / Parameter Specification Limit / Value
Absolute Maximum Ratings Maximum Forward Current (IFP) 20 mA
Reverse Voltage (VR) 5 V
Power Dissipation (PD) 60 mW
Operating Temperature (TOPR) -40°C ~ +80°C
Storage Temperature (TSTG) -40°C ~ +100°C
Electro-Optical Characteristics (Ta = 25°C) Forward Voltage (VF) at IF = 20 mA 2.8 V (Min.) ~ 3.2 V (Max.)
Reverse Current (IR) at VR = 5 V 5 µA (Max.)
Viewing Angle (2θ₁/₂) at IF = 20 mA 60°
Luminous Intensity (Iv) at IF = 20 mA 500 mcd (Min.) ~ 800 mcd (Max.)
Dominant Wavelength (λd) at IF = 20 mA 520 nm ~ 525 nm
Junction Temperature (Tj) max 125°C
Thermal Resistance (RJP) 8°C/W

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under standard atmospheric testing conditions:

  • Ambient Temperature: 5℃ ~ 35℃
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for the human eye response curve. Measurement tolerances are ±15% for luminous intensity and ±0.1V for operating voltage.

Applications by Industry

Metal Indicator Light Application Guide: Metal indicator lights utilize high-strength copper alloy or stainless steel outer shells, offering exceptional impact resistance and an ingress protection rating of up to IP67 against dust and moisture, making them widely deployed across industrial and high-end commercial sectors. While conventional plastic indicator lights are prone to thermal aging, embrittlement, and high-temperature deformation over prolonged use, metal indicator lights are specifically engineered for harsh operating environments, frequent operation, and high-reliability requirements. Typical application sectors include:

1. Industrial Automation & Machinery Manufacturing

This sector represents the largest and most core application field for metal indicator lights, characterized by continuous mechanical vibration, oily environments, and debris impact.

  • CNC Machine Tools & Machining Centers: Control panels utilize red, green, and yellow metal indicator lights where green denotes normal operation, yellow signifies standby/warning, and red indicates emergency stop or fault conditions. The metal shell withstands cutting fluids and metal shavings.
  • Automation Production Line Control Cabinets: Large distribution and PLC control cabinets integrate 6mm, 8mm, and 22mm metal indicator lights supporting AC220V and DC24V to clearly display power circuit status.
  • Hydraulic & Pneumatic Equipment: Applied to oil pump start/stop and pressure overload monitoring. Integrated wire-lead metal indicator lights feature robust internal LED and resistor connections that resist wire breakage under high-vibration conditions compared to pin-terminal variants.

2. Outdoor Power & Renewable Energy Distribution Systems

Outdoor equipment subjected to intense sunlight, precipitation, and extreme temperature fluctuations demands exceptional weather resistance.

  • New Energy Charging Piles: Outdoor DC and AC charging stations are equipped with flat head metal status indicator lights. Flashing blue/green denotes active charging, solid light indicates completion, and flashing red warns of leakage or grounding faults. IP67 waterproof construction and vandal resistance ensure reliable public operation.
  • Outdoor Distribution & Solar Combiner Boxes: Solar photovoltaic power plants and municipal outdoor distribution boxes utilize indicators to display high-voltage closing and inverter running status across a -40℃ to 80℃ temperature range.

3. Rail Transit, Engineering Vehicles & Marine Equipment

Vehicles and marine vessels experience severe mechanical shock, vibration, and saline maritime corrosion.

  • Engineering Vehicle Dashboards: Excavator, crane, and bulldozer control panels employ indicators for oil pressure, water temperature, headlights, and braking fault alerts, withstanding heavy dust and vibration.
  • Marine & Port Control Equipment: Cabin instrumentation and deck control boxes utilize electroplated stainless steel metal indicators to resist salt-fog corrosion, paired with silicone sealing rings to prevent saltwater ingress.

4. Commercial Vending & Public Security Facilities

Public-access equipment is vulnerable to physical impact and vandalism, where plastic components easily crack.

  • Vending & Ticketing Machines: Paired with vandal-resistant metal push buttons to indicate coin insertion, dispensing, and change status.
  • Gas Station Dispenser Panels: Hazardous explosive environments require robust electrical isolation, which metal housings achieve effectively.
  • Outdoor Intercom & Access Control: Stainless steel intercom panels incorporate red and green indicators to display lock release status.

5. Medical Equipment & Food Processing Machinery

These industries require frequent chemical washing, sterilization, and strict cleanliness standards.

  • Food Bottling & Packaging Equipment: Subjected daily to high-pressure hot water and chemical washdowns; IP67 metal indicators resist spray corrosion.
  • Medical Sterilizers & Lab Benches: High-temperature autoclaves utilize indicator lights to distinguish heating, sterilization, and exhaust phases.

Summary: While standard plastic indicators degrade and yellow under ultraviolet exposure or crack from vibration, FILN metal indicator lights utilize copper alloy shells, silicone waterproof O-rings, and robust internal construction to provide an optimal, failure-resistant solution for industrial equipment.

Application of FILN Indicator Lights in Industrial Environments

Explore More FILN Indicator Light Collections

Looking for alternative sizes, voltages, or mounting styles? Browse our complete catalog of industrial signal lamps:

Need a direct purchase? Order the specific model directly here: 22mm Panel Mount LED High Head Metal Indicator

LED Indicator Color Meanings and Application Guide

Indicator light colors convey critical operational states across industrial machinery. Below is an engineering guide to standard color conventions used with the indicator light 22mm 24v series.

Color Common Meaning Typical Status Typical Application Recommended Environment
Red Danger, Alarm, Stop Emergency stop, fault, trip CNC emergency shutoff, alarm panels High-visibility control boards
Green Normal, Safe, Go System active, running Power ON indicator, motor run status General industrial machinery
Yellow / Amber Caution, Standby, Warning Warning, pause, thermal alert Overload warning, temperature check Control switchboards
Blue Mandatory Action, Status Charging, cooling, water flow EV chargers, cooling systems Outdoor charging stations
White Neutral, Power Available Control power ON, ready Main cabinet supply status Indoor electrical enclosures

Note: Indicator light color conventions can vary by equipment manufacturer, control system design, industry standard, and regional requirements. FILN offers single-color, dual-color, and tri-color configurations to match custom engineering specifications.

Recommended Similar Products

Depending on your panel cutout requirements, FILN manufactures a comprehensive range of metal indicator lights across multiple sizing tiers:

1. Small-Sized 8MM Convex Metal Pin Indicator Light (FL1M-08SJ-1)

Ideal for compact instrumentation, miniature control panels, and portable electronic devices where panel space is strictly limited.

View 8MM Metal Indicator Light Product Page

2. 12MM Convex Pin Metal Indicator Light (FL1M-12SJ-1)

Suited for standard control boxes, medical testing units, and automation machinery requiring medium-duty status indicators.

View 12MM Metal Indicator Light Product Page

3. 14MM Convex Pin Metal Indicator Light (FL1M-14SJ-1)

Engineered for electrical switchboards and control desks where enhanced visibility and robust construction are required.

View 14MM Metal Indicator Light Product Page

4. 16MM Convex Pin Metal Indicator Light (FL1M-16SJ-1)

Widely utilized in industrial power distribution cabinets, packaging machinery, and commercial automation equipment.

View 16MM Metal Indicator Light Product Page

Installation Guide

Proper installation ensures reliable electrical contact and maintains the IP65 waterproof integrity of the indicator light 22mm 24v on equipment control panels.

  1. Tools Preparation: Gather a punch tool, drill with a 22mm hole saw or step drill bit, wire stripper, crimping tool, and multimeter.
  2. Panel Preparation: Measure and mark the precise mounting location on the control panel sheet metal.
  3. Mounting Hole Execution: Drill a clean 22mm diameter hole through the panel, removing all burrs and metal shavings to ensure a flat seating surface.
  4. Gasket Placement: Place the waterproof silicone sealing ring onto the threaded body of the indicator light from the front.
  5. Product Insertion: Insert the indicator light body through the 22mm panel hole from the front side.
  6. Secure Fastening: Thread the metal locking nut onto the rear housing barrel and tighten securely against the rear of the panel.
  7. Electrical Wiring: Connect the 24V power supply leads to the 2PIN terminals using appropriate receptacle connectors or soldered joints.
  8. Post-Installation Inspection: Verify circuit polarity, ensure mechanical rigidity, and test LED illumination before energizing the main system.
FILN Indicator Light Installation Process on Control Panel

Wiring Guide & Terminal Comparison

Understanding terminal connection types is essential for efficient control panel assembly. Pin-terminal indicators require quick-disconnect receptacles or direct soldering, whereas pre-wired indicators feature integrated wire leads that can be connected using quick-link wire connectors, solder, or electrical insulation tape to guarantee joint stability. Note: Always disconnect main power supplies and verify zero energy state before performing electrical wiring.

Wiring Type Advantages Disadvantages Recommended Application Scope
Pin Terminal (2PIN) Modular, easy disconnect, reusable push-on connectors Requires spade terminals or precise soldering skills Modular control cabinets, service-replaceable wiring harnesses
Pre-Wired Lead Ready to connect, excellent moisture resistance at rear Fixed wire length, harder to route through tight conduits Vibration-heavy equipment, outdoor waterproof junction boxes

Industry Knowledge Center

Industrial indicator lights are essential human-machine interface components. Understanding their operational principles, selection criteria, and maintenance guidelines ensures long-term system reliability. Engineers must evaluate electrical load parameters, operating voltage thresholds, and environmental sealing requirements. Common failure modes such as LED dimming or terminal oxidation are typically prevented by selecting high-grade copper alloy housings and adhering to strict ambient temperature limits.

Buyer Decision Guide & Material Selection

Selecting the correct metal indicator light requires evaluating environmental exposure, electrical compatibility, and mechanical mounting constraints. FILN provides metal indicator shells in Nickel-Plated Brass, Stainless Steel, and Zinc-Aluminum Alloy to suit diverse operating environments.

Shell Material Advantages Disadvantages / Limitations Recommended Operating Environment
Nickel-Plated Brass Cost-effective, good electrical conductivity, excellent corrosion resistance Susceptible to aggressive chemical washdown over extended years General industrial automation, CNC machinery, electrical cabinets
Stainless Steel Superior salt-spray resistance, extreme mechanical hardness, premium appearance Higher material and machining cost Marine vessels, food processing equipment, outdoor coastal charging piles
Zinc-Aluminum Alloy Lightweight, durable die-cast capability, excellent dimensional stability Requires protective plating to prevent oxidation Commercial vending machines, indoor control panels

RFQ Checklist for Procurement Managers

Providing complete technical specifications enables FILN engineering and sales teams to process quotation requests and verify compatibility efficiently:

  • Product Type & Model (e.g., FL1M-22SJ-1)
  • Mounting Hole Size (e.g., 22mm)
  • Operating Voltage & Current Type (AC/DC 24V)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type & Shell Material
  • Wiring Method (2PIN Terminal vs. Wire Leads) & Length
  • Waterproof Requirement (IP65/IP67)
  • Certifications Needed (CE, VDE, RoHS, UL)
  • Order Quantity & Packaging Requirements

FILN Manufacturing and Engineering Capabilities

Yueqing Yulin Electronic Co., Ltd. (FILN) maintains advanced in-house manufacturing, R&D, and rigorous testing capabilities to support global B2B clients. FILN provides dedicated engineering communication, custom voltage configuration, OEM/ODM production support, and rigorous electrical testing for every batch produced. For procurement managers, this translates into reliable supply chain continuity, verified compliance standards, and custom technical support tailored to specific industrial applications.

FILN Manufacturing Facility and Engineering Team

Factory Direct Supply

Yueqing Yulin Electronic Co., Ltd., brand name FILN, located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Our certified products (UL, CE, RoHS, REACH, TUV, CB) are widely used in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

  • Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and other small electrical components with full custom manufacturing support.
  • Quality System: Certified under ISO9001, CE, VDE, RoHS, SGS, UL, IP65, and TUV standards.
  • Export Markets: Global sales distribution across North America, Europe, Asia, and South America.
  • Manufacturing Advantages: Professional engineering consultation and expert custom solution development for complex electrical challenges.
  • Official Website: www.filn.com
  • Inquiry Email: inquiry@cnylin.com.cn
FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

1. What is the standard mounting hole diameter for the indicator light 22mm 24v?

The mounting hole diameter is precisely 22mm (approximately 0.87 inches), designed for standard industrial panel punchouts.

2. How to prevent phantom illumination (faint glowing) in 12V or 24V LED indicators?

Phantom illumination or faint glowing is typically caused by leakage current from solid-state PLC output cards or residual capacitive coupling in long wiring runs. This can be resolved by installing a compatible bleeder resistor (resistor load) across the indicator terminals to shunt stray leakage current.

3. Can this IP65 indicator light be washed down with caustic chemicals?

While the IP65 rating protects against low-pressure water jets and dust, harsh caustic chemicals can degrade standard nickel-plated brass over time. For frequent chemical washdown environments, selecting the stainless steel shell variant is recommended.

4. What operating voltage ranges are supported by model FL1M-22SJ-1?

The standard model supports versatile voltages from 3V to 480V DC/AC. Custom voltage configurations can be tailored upon request through FILN engineering.

5. What is the difference between pin terminals and wire lead models?

Pin terminals (2PIN) allow quick-disconnect push-on receptacles and modular wiring, whereas pre-wired lead models come with integrated cables sealed at the rear for enhanced moisture protection in tight spaces.

6. What materials are available for the outer shell of FILN metal indicators?

FILN offers nickel-plated brass, stainless steel, and zinc-aluminum alloy shells to match specific corrosion resistance and aesthetic requirements.

7. What international certifications do FILN indicator lights carry?

FILN indicator lights hold multiple international compliance certifications including CE, VDE, RoHS, ISO9001, and CCC, depending on the specific model configuration.

8. How is the indicator secured onto the equipment control panel?

It features single-nut thread mounting: insert the indicator body through the 22mm panel hole from the front with the silicone O-ring gasket, then thread and tighten the metal locking nut from the rear.

9. What LED illumination colors are available for order?

Standard stock colors include Red, Green, Yellow, Blue, and White (R/G/Y/B/W), with dual-color and custom wavelength options available on request.

10. What is the typical operating lifespan of the internal LED light source?

The high-brightness LED luminescent source provides a reliable operating life of 50,000 to 100,000 hours under standard electrical conditions.

11. Are custom wire lengths available for pre-wired models?

Yes, FILN provides OEM custom wire lengths, pre-stripped ends, and specialized connector attachments upon request.

12. What is the maximum operating temperature for this metal indicator light?

The indicator is engineered to operate reliably within an ambient temperature range of -40℃ to +80℃.

13. How does a high head design improve panel visibility?

The protruding convex lens design disperses light across a wider 180-degree viewing angle, allowing operators to check system status easily from side angles.

14. What is the minimum order quantity (MOQ) for custom logo or packaging requests?

MOQ details vary depending on the specific customization scope. Contact our sales team at inquiry@cnylin.com.cn for specific project inquiries.

15. How can I request 3D CAD models for engineering design integration?

Engineering files and 3D CAD drawings can be requested directly by emailing our technical support team.

16. What testing procedures does FILN perform before shipment?

Every production batch undergoes dielectric strength testing, insulation resistance checks, functional voltage testing, and visual inspection.

17. Can these indicators be used in marine and outdoor salt-spray environments?

Yes, stainless steel shell variants paired with silicone gaskets provide excellent resistance against saline corrosion on marine vessels and coastal installations.

18. What is the rated operating current for the indicator light?

The rated operating current is typically ≤ 20 mA, ensuring low power consumption and minimal thermal output.

19. Are replacement O-rings and mounting hardware included?

Each indicator light package includes 1x indicator light, 1x waterproof silicone ring, 1x lock washer, and 1x M22 mounting nut.

20. How can bulk wholesale orders be placed with FILN?

Bulk orders and wholesale inquiries can be initiated directly through our website or by contacting our sales engineers via email at inquiry@cnylin.com.cn.

22mm Flat Head Indicator Light Red LED Metal Light for Industrial Control Panels | FILN

Executive Product Summary

The FILN FL1M-22FJ-2 is a heavy-duty industrial 22mm flat head indicator light red engineered for robust status indication across control panels, electrical distribution systems, and automated machinery. Manufactured by Yueqing Yulin Electronic Co., Ltd., this commercial-grade component features a durable copper alloy or black-plated zinc-aluminum alloy shell, integrating a high-brightness LED luminescent source rated for 3V to 480V customizable operating voltages. Designed with a secure 2PIN pin terminal configuration (6.3mm width) and an IP65/IP67 waterproof rating utilizing a silicone O-ring gasket, it provides reliable performance in demanding environments subject to mechanical vibration and moisture exposure. Bulk wholesale buyers, OEM manufacturers, and industrial procurement managers benefit from complete factory-direct customization options, comprehensive international certifications including CE, VDE, RoHS, ISO9001, and CCC, as well as dedicated engineering support for specialized applications. Prior to mass procurement, industrial buyers should confirm precise operating voltage requirements, mounting panel thickness, environmental protection standards, and terminal connection preferences with FILN engineering teams.

22mm 12v metal custom pilot indicator light

Key Takeaways for Industrial Buyers

  • Product Identity: The FL1M-22FJ-2 is a heavy-duty 22mm flat head indicator light red engineered specifically for industrial control panels and automation machinery.
  • Key Specification: Features a standardized 22mm mounting hole diameter paired with a broad customizable operating voltage range from 3V to 480V DC/AC.
  • Material Construction: Built with a durable copper alloy or black-plated zinc-aluminum alloy shell, PA66 lamp holder, and polycarbonate (PC) lens for optimal impact resistance.
  • Ingress Protection: Achieves IP65/IP67 waterproof and dustproof ratings when properly installed with the included silicone O-ring and stainless steel lock washer.
  • Mounting & Design: Utilizes a single-hole threaded mounting method with a flat head profile, ensuring a flush, smooth surface appearance on control panel faces.
  • Wiring Method: Equipped with secure 2PIN pin terminals (6.3mm width) designed for stable electrical connections using fast-link connectors or soldering techniques.
  • Industry Applications: Widely deployed in CNC machine tools, power distribution cabinets, renewable energy charging piles, marine consoles, and automotive modification.
  • Customization Options: Available in red, green, yellow, blue, and white LED configurations with bulk OEM/ODM manufacturing support directly from FILN’s factory.
  • Certifications: Manufactured under rigorous ISO9001 quality management systems, carrying international compliance certifications including CE, VDE, RoHS, and CCC.
  • Selection Considerations: Procurement teams must verify operating voltage parameters, panel cutout dimensions, and terminal connection preferences prior to issuing purchase orders.

What is the 22mm Flat Head Indicator Light Red?

An indicator light is an essential electrical status device installed on control panels to visually communicate operational modes, power status, or fault conditions. FILN manufactures a comprehensive selection of signal lights, encompassing both metal indicator light models and plastic variants across standardized mounting diameters ranging from 6mm to 30mm. Electrical wiring configurations include secure pin terminals and direct wire leads to accommodate varied assembly workflows. Metal indicator light series are specifically engineered in flat head, prominent head, and recessed head outer profiles, allowing engineers to select optimal aesthetics and tactile profiles for specific industrial environments.

The 22mm flat head indicator light red serves as a critical visual warning and status device in industrial environments. Its primary function is to alert operators to critical equipment states, emergency stops, or active power circuits through high-visibility illumination. Structurally composed of a robust metal shell, internal current-limiting resistor, and high-brightness LED chip, it delivers exceptional mechanical durability compared to standard plastic alternatives. Industrial applications span electrical distribution cabinets, machine tool interfaces, and automated production lines where reliable signal notification prevents operational downtime.

FILN Metal Indicator Light Series Overview

Procurement specialists and design engineers seeking comprehensive hardware families can explore all available configurations on the Metal Indicator Light Category Page. For immediate commercial procurement and direct orders, visit the dedicated product portal at 22mm Flat Head Metal Indicator Light Product Page.

Product Engineering Overview

The FL1M-22FJ-2 22mm flat head indicator light red operates on fundamental semiconductor electroluminescence principles, converting electrical energy into concentrated optical radiation via an integrated high-efficiency LED chip. When current passes through the internal carbon film resistor and diode junction, photons are emitted through the polycarbonate lens assembly. The mechanical structure relies on single-nut threaded mounting, compressing a silicone O-ring against the equipment panel to prevent fluid and particulate ingress.

Main industrial applications include machine tool status displays, heavy-duty electrical distribution switchboards, and automation control consoles. Industrial advantages comprise superior mechanical impact resistance, high vibration tolerance, extensive operating temperature ranges, and long operational lifespans exceeding 50,000 hours. Component materials are selected for corrosion resistance and structural integrity, complying with strict international CE, VDE, RoHS, and ISO9001 manufacturing standards.

Quick Technical Specifications

Technical Parameter Product Specification Details
Product Description Metal indicator light with 2PIN pin terminals
Indicator Light Model FL1M-22FJ-2
Mounting Hole Size 22 mm (approx. 0.87 inches)
Operating Voltage 3V – 480V DC/AC (Customizable per requirements)
LED Color Options Red (indicator light red), Green, Yellow, Blue, White
Waterproof Ingress Rating IP65 / IP67 compliant
Wiring Terminal Type 2PIN pin terminal (6.3mm terminal width)
Head Profile Type Flat head / standard round head profile
Surface Quality Standard Smooth and flat exterior without burrs, oxidation, cracks, or visible defects.
Assembly Requirements Head and base assemblies properly fitted with zero rotation, detachment, tilt, or deformation.

Performance Parameters & Electrical Ratings

Performance Parameter Rated Operational Value
Rated Operating Voltage 3V–480V DC/AC (Customized per customer specification)
AC Operating Frequency 50 Hz / 60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC between lead wires and housing)
Dielectric Strength / Voltage Proof 1500V–1800V AC, zero breakdown or flashover
Operational Life Expectancy 50,000 to 100,000 hours (50,000 h – 100,000 h)
Ingress Protection Rating IP65 / IP67 waterproof compliance

Component Materials & Engineering Purpose

Every material utilized in the construction of the indicator light red is selected to withstand rigorous industrial operating conditions, ensuring longevity, structural integrity, and reliable electrical isolation.

Component Part Name Material Specification Engineering Purpose & Advantage
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical rigidity, impact resistance, and corrosion protection.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability, flame retardancy, and electrical insulation.
Lampshade / Lens PC (Polycarbonate) Ensures high optical light transmission and impact shatter resistance.
Luminescent Source High-brightness LED chip Delivers energy-efficient illumination with a 100,000-hour lifespan.
Resistor Carbon film resistor Regulates operating voltage and stabilizes forward current safely.
Wire / Lead Wire PVC insulation Maintains flexible electrical routing and abrasion resistance.
Mounting Nut Copper alloy Ensures secure, vibration-resistant mechanical locking against panels.
O-Ring Gasket Silicone / Silica gel Seals panel joint to achieve IP67 waterproof and dustproof protection.
Lock Washer Stainless steel plum blossom gasket Prevents loosening under continuous mechanical vibration.

Environmental Performance & Test Specifications

This specification governs the general use range for the indicator light series metal indicator light products under extreme operational environments.

Environmental Test Parameter Specification & Test Condition
Application Scope Metal indicator light series general industrial utilization
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤ 85% at +40℃
High Temperature Resistance Test 96 hours exposure at 80±2℃
Low Temperature Resistance Test 96 hours exposure at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total

LED Chip Technical Specifications

Absolute maximum ratings define the maximum safe operating limits of the integrated LED chip within the 22mm flat head indicator light red to prevent permanent component degradation.

Absolute Maximum Rating Parameter Limit Specification
Maximum Forward Current (IFP) 20 mA
Reverse Voltage (VR) 5 V
Power Dissipation (PD) 60 mW
Operating Temperature Range (TOPR) -40°C ~ +80°C
Storage Temperature Range (TSTG) -40°C ~ +100°C
Lead-Free Soldering Temperature (TSOL) Max. 260°C for 3 sec. Max.

Electro-optical characteristics measured at an ambient temperature of Ta = 25°C:

Electro-Optical Characteristic Test Condition & Parameter Range
Forward Voltage (VF) IF = 20 mA | Range: 2.8 V (Min.) ~ 3.2 V (Max.)
Reverse Current (IR) VR = 5 V | 5 µA (Max.)
Viewing Angle (2θ₁/₂) IF = 20 mA | Typical Value: 60°
Luminous Intensity (Iv) IF = 20 mA | Range: 500 mcd (Min.) ~ 800 mcd (Max.)
Recommended Forward Current (IF) Typical Value: 20 mA
Dominant Wavelength (λd) IF = 20 mA | Range: 520 nm ~ 525 nm (Green reference) / Standard Red
Junction Temperature (Tj) Maximum at IF = 20 mA: 125°C
Thermal Resistance (RJP) IF = 20 mA | Typical Value: 8°C/W

Standard Atmospheric Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under standardized atmospheric testing conditions to ensure absolute repeatability and calibration accuracy.

Atmospheric Test Variable Standard Measurement Range
Ambient Temperature 5℃ ~ 35℃
Relative Humidity 45% ~ 85%
Air Pressure 86 ~ 106 kPa (860 ~ 1060 mbar)

Calibration & Measurement Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards of human eye response curves. Tolerance of luminous intensity measurement is ±15%, and voltage measurement tolerance is ±0.1V.

Industrial Applications & Deployment Scenarios

Metal indicator light products utilize high-strength copper alloy or stainless steel metal shells, delivering exceptional impact resistance and IP67 waterproof and dustproof protection suitable for heavy industrial and demanding commercial sectors. While plastic indicator lights suffer from long-term aging, embrittlement, and high-temperature deformation, metal indicator lights adapt seamlessly to harsh operating environments, frequent mechanical operation, and high-reliability requirements.

1. Industrial Automation & Machinery Manufacturing: This sector represents the primary deployment environment. Workshops experience continuous mechanical vibration, oil splashes, and hard object impacts. CNC machine tools and machining centers utilize red, yellow, and green indicator lights on control consoles, where green indicates normal operation, yellow signifies standby/warning, and red signals emergency stops or faults; metal shells resist cutting fluids and metal debris. Automated production line control cabinets and large power distribution switchboards incorporate 6mm, 8mm, and 22mm metal indicators at 220V AC or 24V DC to display circuit status. Hydraulic and pneumatic equipment utilize indicators for pump start/stop and pressure overload alerts, where solid internal LED mounting prevents wire breakage under severe vibration.

2. Outdoor Power & Renewable Energy Distribution Systems: Outdoor equipment endures year-round solar radiation, precipitation, and extreme thermal fluctuations, demanding strict weather resistance. New energy charging piles utilize flat head indicator light red and blue models to indicate charging status, standby, and ground fault warnings; IP67 waterproof ratings withstand public vandalism and frequent outdoor utilization. Outdoor power distribution boxes and photovoltaic combiner boxes rely on metal indicators to display high-voltage closing and inverter running status across -40°C to 80°C temperature ranges.

3. Railway Transit, Engineering Vehicles & Marine Equipment: Transport vehicles and marine vessels experience severe shock and vibration, combined with high salt spray corrosion at sea. Engineering vehicle control consoles in excavators, cranes, and bulldozers use indicators for oil pressure, water temperature, and brake failure alerts. Marine and port control equipment utilize electroplated stainless steel metal indicators to resist salt fog corrosion, complemented by silicone sealing gaskets against seawater infiltration.

4. Commercial Vending & Public Anti-Vandal Facilities: Public hardware faces frequent physical impact where plastic fixtures easily fracture. Automated vending machines and ticketing kiosks integrate metal anti-vandal indicators to signal coin insertion, dispensing, and change status. Fuel dispenser panels in gas stations require explosion-proof electrical isolation provided by metal indicator housings. Outdoor access control intercom panels utilize stainless steel faceplates fitted with red and green signal lamps to indicate door lock status.

5. Medical Equipment & Food Processing Machinery: These industries require rigorous daily washdown and sterilization protocols. Food filling and packaging machinery undergoes high-pressure hot water and chemical washdowns daily; IP67 metal indicator lights withstand powerful jet sprays without internal component corrosion. Medical sterilization equipment utilizes indicator lights to differentiate heating, sterilization, and exhaust phases.

Application of FILN Indicator Lights in Industrial Environments

LED Indicator Color Meanings & Application Guide

Color conventions dictate immediate visual recognition on industrial control panels. The indicator light red typically signifies danger, emergency stop, fault conditions, or alarm status. Green represents normal operation, safe conditions, or power ON status. Yellow or amber indicates caution, abnormal warning, or standby mode. Blue provides mandatory action instructions or active cooling status, while white indicates general power availability or neutral system status.

LED Color Common Meaning Typical Equipment Status Typical Application Recommended Environment
Red Danger / Alarm Emergency stop, fault, trip Machine shut-off, error alert All industrial control panels
Green Normal / Safe Power ON, running smoothly Motor start, active circuit Automation cabinets
Yellow / Amber Caution / Warning Standby, temperature warning Pre-heating, oil pressure alert Heavy machinery dashboards
Blue Mandatory Action Charging active, cooling mode EV chargers, pneumatic valves Outdoor charging piles
White Neutral / Power Main power supply connected Cabinet lighting, general status Electrical distribution boxes

Important Note: Indicator light color conventions can vary by equipment manufacturer, control-system design standard, geographical region, and specific industry regulations. FILN provides single-color, dual-color, and tri-color indicator configurations to suit custom system architectures.

Step-by-Step Technical Installation Guide

  1. Preparation & Safety: Ensure main electrical power is completely disconnected before commencing any installation work to prevent electrical shock.
  2. Tools Required: Gather a step drill or hole saw, calibrated torque wrench, wire strippers, and fast-link connectors or soldering equipment.
  3. Panel Preparation: Measure and mark the target installation location on the control panel faceplate.
  4. Drilling Mounting Hole: Drill a precise 22mm circular mounting hole into the equipment panel, ensuring all metal burrs and sharp edges are deburred and cleaned.
  5. Positioning O-Ring: Place the supplied silicone waterproof O-ring gasket onto the threaded body of the metal indicator light behind the flat head flange.
  6. Inserting Product: Insert the unthreaded body of the indicator light from the exterior front side of the panel through the drilled 22mm aperture.
  7. Securing Lock Nut: From the rear interior side of the panel, thread the stainless steel plum blossom lock washer and copper alloy hexagonal nut onto the body. Tighten securely to compress the silicone gasket, achieving IP65/IP67 waterproof sealing.
  8. Electrical Wiring: Connect the circuit wires to the 2PIN pin terminals (6.3mm width) using insulated fast-link slip-on terminals, solder, or secured wire wrapping.
  9. Final Inspection: Verify mechanical rigidity, check panel alignment, and ensure electrical insulation before restoring system power.
FILN Indicator Light Installation Procedure

Wiring Methods & Connection Guide

Proper electrical wiring ensures reliable, long-term signal transmission and prevents intermittent failures in industrial control systems. The FL1M-22FJ-2 features a 2PIN pin terminal configuration with a standard 6.3mm terminal width.

Pin Terminal (2PIN) Connection: Pin terminal indicator lights are wired using insulated female spade connectors (quick-disconnect terminals) matched to the 6.3mm tab width, professional soldering directly to the metal pins, or secure wire wrapping with electrical insulation tape. This method allows rapid disconnection during maintenance and panel servicing.

Wire Lead Connection Comparison: Direct wire-lead indicators feature pre-attached PVC cables that can be linked to main circuits using quick-splice wire connectors, terminal blocks, or soldered joints sealed with heat-shrink tubing.

Terminal Type Connection Method Advantages Typical Application Range
2PIN Pin Terminal (FL1M-22FJ-2) 6.3mm female spade connectors or soldering Modular, easy maintenance replacement, secure lock Control cabinets, modular machinery panels
Direct Wire Lead (FL1M-22FW-1) Quick-link connectors, terminal blocks Pre-wired waterproof integrity, fast installation Outdoor equipment, cramped spaces

Critical Safety Warning: Always disconnect main power sources and verify zero voltage using a calibrated multimeter before performing any electrical wiring or maintenance.

Industry Knowledge & Technical Maintenance Center

Understanding the operational principles and maintenance requirements of industrial pilot devices ensures maximum equipment uptime. Metal indicator lights operate by stepping down control voltages through internal precision resistors to power solid-state LED junctions. Selecting components conforming to international IEC and UL standards guarantees electrical safety and regulatory compliance across global export markets.

Common maintenance procedures involve periodic inspection of panel lock nuts for vibration loosening, checking terminal connections for corrosion or thermal degradation, and verifying lens clarity. When troubleshooting faint glowing (phantom illumination) caused by residual leakage currents in solid-state relay circuits, adding an appropriate parallel bleeder resistor typically resolves the issue.

Buyer Decision & Material Selection Framework

Selecting the correct industrial indicator light requires evaluating physical mounting dimensions, electrical voltage compatibility, environmental protection ratings, and housing material properties. FILN manufactures metal indicators in nickel-plated brass, stainless steel, and zinc-aluminum alloy to suit varied chemical and mechanical environments.

Housing Material Key Advantages Primary Limitations Recommended Operating Environment
Nickel-Plated Brass High mechanical strength, excellent conductivity, cost-effective metal option Vulnerable to extreme acidic or marine salt corrosion without special coatings Standard indoor industrial control cabinets, machine tools
Stainless Steel Superior corrosion resistance, exceptional hygiene, anti-vandal hardness Higher raw material and manufacturing cost Marine vessels, food processing, medical equipment, outdoor stations
Zinc-Aluminum Alloy Lightweight, excellent die-casting precision, black-plating compatibility Lower impact threshold than solid brass or stainless steel Commercial electronics, automation consoles, general machinery

Specification-to-Decision Breakdown:

  • Mounting Hole (22mm): Determines physical panel cut-out compatibility. 22mm is the global industrial standard for heavy-duty control panels.
  • Voltage (3V-480V): Determines electrical compatibility. Confirm whether system power is AC or DC to ensure correct internal resistor integration.
  • LED Color (Red): Determines status indication. Red universally communicates danger, emergency stop, or fault states.
  • IP67 Rating: Determines environmental suitability, ensuring protection against dust ingress and temporary water immersion.

Request for Quotation (RFQ) Checklist: When requesting quotations from FILN, procurement managers should provide: Product Type, Model (FL1M-22FJ-2), Mounting Hole Size (22mm), Voltage, AC/DC type, LED Color (Red), Head Type (Flat), Material, Waterproof requirements, Wiring method, Quantity, and Destination market.

FILN Manufacturing & Engineering Capabilities

Yueqing Yulin Electronic Co., Ltd. operates as a dedicated manufacturer specializing in industrial electrical components. FILN’s in-house engineering and R&D teams provide comprehensive OEM, ODM, and custom product development support for global clients. With advanced automated assembly lines, precision tooling workshops, and an independent electrical testing laboratory, FILN maintains strict quality control over every manufacturing stage from raw material stamping to final optical testing.

Engineering support includes custom wire harnessing, specialized voltage configurations, laser-etched symbol markings, and tailored packaging solutions. FILN supports small-batch prototyping as well as high-volume mass production runs, ensuring responsive technical communication and reliable global export logistics for industrial buyers worldwide.

FILN Manufacturing Facility and Engineering Team

Factory Direct Supply & Global Standards

Yueqing Yulin Electronic Co., Ltd, brand name FILN located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Our certified products (UL, CE, RoHS, REACH, TUV, CB) are widely used in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

Production Capabilities: Indicator lights, push button switches, rocker switches, toggle switches, and other small electrical components, alongside comprehensive customized manufacturing services.

Quality System & Certifications: FILN indicator lights and switch products carry rigorous international certifications including ISO9001, CE, VDE, RoHS, SGS, UL, IP65/IP67, and TUV.

Export Markets: Global distribution spanning North America, Europe, United Kingdom, Australia, and international industrial markets.

Manufacturing Advantages: Professional engineers available for direct project consultation, specializing in custom technical solutions and complex application problem-solving.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12v LED indicators?

Faint glowing or phantom illumination in LED indicators is typically caused by residual leakage currents flowing through solid-state relay outputs, PLC transistor leakage, or induced voltages in long control wiring runs. To resolve this, install an appropriate parallel bleeder resistor (resistor load) across the indicator terminals to shunt stray leakage current away from the LED diode junction.

2. Can this IP67 indicator light be washed down with caustic chemicals?

Yes, the FL1M-22FJ-2 features an IP65/IP67 waterproof rating with a copper alloy or stainless steel shell and silicone O-ring gasket, making it highly resistant to frequent industrial washdowns. However, for aggressive caustic chemical cleaning used in food processing or medical environments, selecting the stainless steel housing variant is recommended for maximum corrosion resistance.

3. What is the standard mounting hole diameter for the FL1M-22FJ-2?

The FL1M-22FJ-2 requires a standardized 22mm (approximately 0.87 inches) circular mounting aperture drilled into the equipment control panel. It is secured from the rear using the provided metal locking nut and plum blossom lock washer.

4. What operating voltages are available for this indicator light red?

FILN manufactures this indicator light red with customizable operating voltages ranging from 3V to 480V DC/AC. Common standard voltages include 12V, 24V, 110V, 220V, and 380V. Buyers should specify their exact voltage requirements when requesting a quote.

5. How do pin terminal connections differ from wire lead models?

Pin terminal models feature 2PIN metal tabs (6.3mm width) that accommodate fast-link slip-on connectors or soldered wire attachments, allowing easy modular replacement. Wire lead models come with pre-attached PVC cables, providing faster installation in cramped or pre-sealed enclosures.

6. What international quality certifications does FILN provide?

FILN operates under an ISO9001 certified quality management system. Indicator lights and switches carry multiple international compliance certifications including CE, VDE, RoHS, SGS, UL, and CCC, satisfying regulatory requirements for global export markets.

7. Is the indicator light red suitable for outdoor ultraviolet exposure?

Yes. Unlike plastic indicator lamps that suffer from UV yellowing and embrittlement over time, the metal housing and polycarbonate optical lens of the FILN indicator light red provide excellent resistance to solar radiation and outdoor weathering.

8. What is the typical operating lifespan of the integrated LED source?

The high-brightness LED luminescent source integrated into the indicator light red is engineered for an operational lifespan of 50,000 to 100,000 continuous operating hours under rated voltage and standard environmental conditions.

9. Can FILN customize wire lengths for custom orders?

Yes. As a direct manufacturer, FILN provides comprehensive OEM and custom engineering services, allowing bulk buyers to request specific wire lengths, custom connectors, or tailored voltage specifications.

10. How is waterproof sealing achieved on equipment panels?

Waterproof sealing is achieved by placing the supplied silicone O-ring gasket between the flat head flange of the indicator light and the exterior panel surface, then tightening the rear mounting nut securely against the stainless steel lock washer.

11. What is the maximum panel thickness supported by the mounting hardware?

The standard threaded body and mounting nut accommodate standard industrial control panel thicknesses ranging from 1mm up to 6mm. Special extended threads can be requested for thicker composite panels.

12. Are dual-color or tri-color configurations available for this model?

Yes. FILN offers single-color, dual-color (such as Red/Green switching), and tri-color LED configurations upon request for advanced control panel status monitoring.

13. What current does the indicator light red consume during operation?

The rated operating current for the indicator light red is ≤ 20 mA, resulting in a low power consumption of approximately 0.2 watts, making it highly energy-efficient for large-scale industrial distribution boards.

14. How should terminal connections be secured against heavy machine vibration?

To prevent loosening in high-vibration environments such as CNC machine tools or mining equipment, use locking female spade quick-disconnect terminals or solder the wire leads directly to the 2PIN pin terminals with protective heat-shrink tubing.

15. What materials are used for the metal indicator housing?

FILN manufactures metal indicator housings using high-grade copper alloy, black-plated zinc-aluminum alloy, or corrosion-resistant stainless steel, depending on the specific model and environmental requirements.

16. Can FILN provide 3D CAD models for engineering design integration?

Yes. Industrial engineers and equipment designers can request 3D CAD step files and technical dimensional drawings by contacting FILN engineering support directly via email at inquiry@cnylin.com.cn.

17. What is the minimum order quantity (MOQ) for custom voltage indicators?

FILN supports both small-batch sample testing and high-volume mass production. Specific minimum order quantities for custom voltage or customized wire harnesses can be confirmed by submitting an inquiry to the sales team.

18. Does the indicator light red require external series resistors?

No. FILN indicator lights feature internal precision current-limiting resistors built into the assembly, allowing direct connection to the rated operating voltage without external components.

19. What is the lead time for standard bulk wholesale orders?

Standard stock items and regular production runs typically ship efficiently from FILN’s 10,000 m² manufacturing facility in Wenzhou. Exact delivery lead times vary based on order volume and custom requirements.

20. How can procurement managers obtain official product quotations?

Procurement managers can request official quotations, technical data sheets, and sample dispatch by emailing FILN directly at inquiry@cnylin.com.cn with specific quantity and voltage parameters.

Metal Panel Mount LEDs Flat Head 3-480V with 2Pin Terminals | FILN

Executive Product Summary


The FILN 19mm flat head metal panel mount leds are robust industrial status signal lamps engineered specifically for electrical control panels, heavy machinery, and automation equipment. Manufactured directly by FILN, these durable metal housing units provide superior mechanical strength and longevity compared to traditional commercial plastic alternatives. Designed for OEM buyers, control panel builders, and industrial wholesale distributors seeking reliable component sourcing, these units support custom operating voltages ranging from 3V to 480V AC/DC. Key specifications include a standard 19mm mounting cutout diameter, 2PIN flat pin terminals measuring 6.3mm in width, and an IP65 ingress protection rating. Procurement managers and electrical engineers should confirm operating voltage specifications, terminal connection types, and environmental exposure requirements prior to placing bulk wholesale orders. FILN delivers direct factory pricing, comprehensive OEM customization support, and detailed technical documentation to streamline supply chain integration.

Product Drawing

19mm FLAT LED 24v metal indicator light with reflector

Key Engineering & Procurement Takeaways


  • Product Identity: Industrial-grade 19mm flat head metal panel mount leds designed for clear visual status indication on industrial machinery and electrical enclosures.
  • Mounting Specification: Standard 19mm panel cutout size utilizing a single-nut thread mounting mechanism for fast, secure mechanical installation.
  • Electrical Versatility: Supports a broad operational voltage range from 3V to 480V AC/DC with customizable internal current-limiting carbon film resistors.
  • Shell Material: High-strength copper alloy or black-plated zinc-aluminum alloy body providing exceptional mechanical impact resistance and structural durability.
  • Protection Rating: IP65 ingress protection achieved via integrated silicone O-rings, preventing dust ingress and moisture splashing.
  • Terminal Configuration: Dual 2PIN flat solder lug terminals with a 6.3mm width, enabling secure push-on spade connector attachment or direct wiring.
  • Optical Performance: High-brightness LED light source available in multiple standard colors including Red, Green, Yellow, Blue, and White.
  • Compliance Standards: Manufactured under strict ISO9001 quality management systems with CE, VDE, RoHS, and CCC component certifications.
  • Customization Support: Direct factory manufacturing allows tailored voltage configurations, custom terminal options, and specialized labeling for OEM partners.
  • Procurement Assurance: Stable bulk wholesale supply, dedicated engineering consultation, and rapid sample fulfillment provided directly by FILN.

What is a Metal Panel Mount LED?


Metal panel mount leds are electromechanical status display devices utilized across industrial control systems to communicate operational states, power conditions, and fault warnings. Unlike fragile plastic alternatives, metal indicator lamps feature durable metallic enclosures built to withstand continuous mechanical shock, high vibration, and harsh environmental exposure. The internal architecture combines a high-brightness LED luminescence source, a protective polycarbonate lens, and a precise current-limiting resistor to ensure consistent visual output across diverse electrical systems.

FILN manufactures a comprehensive range of indicator lights categorized into metal and plastic variants, spanning mounting diameters from 6mm to 30mm. Electrical connection methods include standard pin terminals and direct pre-wired configurations. Specifically, metal indicator lights are offered in flat head, prominent head, and recessed head configurations to match specific aesthetic and operational requirements. The flat head variant features a streamlined surface profile that delivers high-visibility status signals while maintaining a clean panel layout.

FILN Metal Indicator Light Series Overview

Explore our complete catalog of

to find alternative mounting sizes and head styles suited for your engineering project.

Product Overview: FL1M-19FJ-1


The FL1M-19FJ-1 is a premium 19mm flat head metal panel mount LED designed specifically for professional control panel builders and industrial equipment manufacturers. Mechanically, the unit utilizes a threaded metal body and a securing hex nut for tight panel integration, complemented by an internal silicone sealing ring that establishes an IP65 ingress protection boundary. Electrically, the integrated solid-state LED assembly operates efficiently at low current draws while supporting broad voltage inputs from 3V to 480V AC/DC through internal resistance management.

Industrial advantages include exceptional resistance to thermal degradation, UV-induced yellowing, and physical impact compared to standard commercial plastic indicators. The 2PIN flat pin terminals (6.3mm width) allow rapid slip-on spade connector attachment or direct soldering, facilitating efficient maintenance and replacement in complex control cabinets. Certified under rigorous international electrical standards, this indicator guarantees long operational lifespans exceeding 50,000 hours under continuous industrial duty.

Quick Technical Specifications


Specification Parameter Technical Detail
Product Description Metal indicator light with pin terminals
Indicator Light Model FL1M-19FJ-1
Mounting Hole Size 19 mm (approx. 0.75 inches)
Operating Voltage 3V – 480V DC/AC (Customizable)
LED Color Options Red (R), Green (G), Yellow (Y), Blue (B), White (W)
Ingress Protection Rating IP65 waterproof and dustproof
Wiring Type 2PIN pin terminal (6.3mm width)
Head Type Flat head / Standard round head design
Surface Quality Smooth and flat finish without burrs, oxidation, cracks, or visible defects
Assembly Requirements Head and base assemblies properly fitted to prevent rotation, detachment, tilt, or deformation

Click here to purchase this specific 19mm indicator light model directly.

Performance Parameters & Ratings


Parameter Category Rated Value & Operating Limits
Rated Operating Voltage 3V–480V DC/AC (Customized per customer specifications)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Dissipation Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between terminals and housing)
Dielectric Strength 1500V–1800V AC, no breakdown or flashover
Operating Life 50,000 to 100,000 hours continuous operation
Ingress Protection IP65 waterproof and dustproof standard
Certifications CE, VDE, RoHS, ISO9001, CCC

Component Materials & Engineering Purpose


Every material utilized in the construction of FILN metal indicator lights is selected to maximize structural integrity, electrical safety, and environmental longevity in demanding industrial workspaces.

Component Part Material Specification Engineering Purpose
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical impact resistance and robust grounding.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability and electrical insulation.
Lampshade / Lens Polycarbonate (PC) Ensures high light transmission and impact shatter resistance.
Luminescent Source High-brightness LED chip Delivers energy-efficient, long-lasting illumination.
Resistor Carbon film resistor Regulates operating current across varying voltage inputs.
Mounting Nut Copper alloy Ensures secure, vibration-resistant panel fastening.
O-Ring Seal Silicone / Silica gel Prevents water and dust ingress to maintain IP65 rating.
Lock Washer Stainless steel plum blossom gasket Prevents fastener loosening under continuous machine vibration.

Environmental Performance & Test Specifications


This specification defines the general operational range and environmental resilience standards for the metal indicator light series.

Environmental Test Parameter Testing Standard & Specification Limits
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤ 85% RH at +40℃
High Temperature Test 96 hours exposure at 80±2℃
Low Temperature Test 96 hours exposure at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total

LED Technical Specification


1. Absolute Maximum Ratings

Maximum safe operational limits for the internal LED chip, beyond which permanent structural damage may occur:

  • Forward Current ($I_{FP}$): 20 mA
  • Reverse Voltage ($V_R$): 5 V
  • Power Dissipation ($P_D$): 60 mW
  • Operating Temperature Range ($T_{OPR}$): -40°C to +80°C
  • Storage Temperature Range ($T_{STG}$): -40°C to +100°C
  • Lead-Free Soldering Temperature ($T_{SOL}$): 260°C Max. for 3 sec. Max.

2. Electro-Optical Characteristics

Test parameters measured at standard ambient temperature $T_a = 25^\circ\text{C}$:

  • Forward Voltage ($V_F$) – Test Condition: $I_F = 20\text{ mA}$ | Range: 2.8 V (Min.) – 3.2 V (Max.)
  • Reverse Current ($I_R$) – Test Condition: $V_R = 5\text{ V}$ | Upper Limit: 5 µA (Max.)
  • Viewing Angle ($2\theta_{1/2}$) – Test Condition: $I_F = 20\text{ mA}$ | Typical: 60°
  • Luminous Intensity ($I_v$) – Test Condition: $I_F = 20\text{ mA}$ | Range: 500 mcd (Min.) – 800 mcd (Max.)
  • Recommended Operating Current ($I_F$) | Typical: 20 mA
  • Dominant Wavelength ($\lambda_d$) – Test Condition: $I_F = 20\text{ mA}$ | Range: 520 nm – 525 nm
  • Junction Temperature ($T_j$) – Max. at $I_F = 20\text{ mA}$: 125°C
  • Thermal Resistance ($R_{j-p}$) – Test Condition: $I_F = 20\text{ mA}$ | Typical: 8°C/W

Standard Test Conditions


Unless otherwise specified, all electrical and optical parameters are measured under the following standardized atmospheric conditions in FILN testing laboratories:

  • Ambient Temperature: 5℃ ~ 35℃
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Technical Notes:

* Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for human eye response curves.

* Measurement tolerances: Luminous intensity tolerance ±15%, voltage measurement tolerance ±0.1V.

Industrial Applications & Use Cases


Metal indicator lights utilize high-strength copper alloy or stainless steel metal shells, delivering outstanding impact resistance and IP65 waterproof protection suitable for industrial and heavy-duty commercial environments. While plastic indicators degrade and crack under long-term UV exposure and high temperatures, metal indicators adapt seamlessly to harsh operating conditions requiring high reliability.

1. Industrial Automation & Machinery Manufacturing

CNC machine control panels install red, green, and yellow metal panel mount leds to signal operational status, standby alerts, and emergency stops, with metal shells resisting cutting fluid and metal shavings.

2. Outdoor Power & Renewable Energy Distribution

EV charging stations and solar combiner boxes deploy flat head metal status indicators to display charging progress and fault warnings, withstanding severe weather and public tampering.

3. Rail Transit, Commercial Vehicles & Marine Equipment

Excavator cockpits and marine control consoles utilize pin terminal metal indicators to indicate oil pressure and brake faults, resisting high salt-fog corrosion.

4. Commercial Vending & Access Control Systems

Outdoor ticket kiosks and stainless steel intercom panels feature robust metal indicator lamps to verify transaction states and door lock statuses.

5. Medical Equipment & Food Processing Machinery

Sterilization equipment and food packaging lines rely on IP65 metal indicators that endure daily washdowns without internal component corrosion.

Application of FILN Indicator Lights across Industries

LED Indicator Color Meanings & Application Guide


Indicator light color conventions guide operators in interpreting equipment states quickly. FILN offers single-color, dual-color, and tri-color configurations. Note that color conventions can vary by equipment manufacturer, industry standards, and geographic region.

Color Common Industrial Meaning Typical Equipment Status Typical Application
Red Danger, Stop, Emergency Fault, Trip, Shutdown Emergency stop buttons, error alerts
Green Normal, Safe, Go Running, Powered On Power status, normal operation loop
Yellow / Amber Caution, Warning, Standby Pre-check, Low fluid, Warning Temperature warning, standby mode
Blue Mandatory action, Status Cooling active, Charging EV charging stations, water coolers
White Neutral, Normal power Control power active Main distribution panel illumination

Installation Guide


Proper mechanical mounting ensures optimal sealing and long-term stability for 19mm metal panel mount leds.

  1. Safety First: Cut off all upstream power supplies before starting mechanical installation or wiring.
  2. Panel Preparation: Drill a precise 19mm circular mounting hole in the equipment control panel using standard metal hole saws or punch tools.
  3. Gasket Placement: Ensure the waterproof silicone sealing O-ring is positioned correctly on the indicator housing thread base.
  4. Insertion: Insert the indicator lamp body through the front side of the control panel cutout.
  5. Securing: Thread the metal locking nut onto the rear housing threads and tighten securely to compress the waterproof gasket.
  6. Inspection: Verify that the head assembly sits flush without tilting or deformation before proceeding to electrical wiring.
FILN Indicator Light Installation Procedure

Wiring Guide & Connection Methods


Understanding connection techniques is crucial for reliable electrical integration. Metal indicator lights are manufactured in two primary termination formats:

  • Pin Terminal Indicators (e.g., FL1M-19FJ-1): Feature dual 6.3mm wide solder lug pins requiring slip-on quick-disconnect spade connectors, direct soldering, or screw terminal blocks for wire attachment.
  • Pre-Wired Indicators: Feature factory-attached wire leads extending from the rear base, eliminating internal soldering steps during panel assembly.

Directly wired indicators can use quick-connection terminals to link circuits, or apply solder and wrap with electrical tape to ensure stable electrical connections. Always note electrical safety rules and cut off power before wiring.

WARNING: Always verify electrical polarity and confirm that the circuit power is completely disconnected before connecting wiring to prevent electric shock or component damage.

Industry Knowledge Center


Selecting the correct indicator light involves evaluating operating voltage compatibility, environmental protection ratings, and physical panel constraints. Industrial designers must account for LED forward voltage drop and AC/DC rectification requirements when integrating low-voltage signal lamps into high-voltage distribution networks.

Preventing phantom illumination (faint glowing caused by residual leakage currents in solid-state PLC output modules) often requires installing parallel bleeding resistors. Maintenance teams should routinely inspect panel sealing gaskets to ensure IP65 waterproof integrity remains uncompromised over years of mechanical operation.

Buyer Decision Guide & Material Comparison


FILN provides multiple shell materials to match varying environmental corrosion requirements and mechanical demands:

Shell Material Option Primary Advantages Recommended Application Environment
Nickel-Plated Brass Cost-effective, excellent mechanical strength, anti-corrosion finish Standard industrial control panels, indoor machinery
Stainless Steel Superior chemical resistance, rust-proof, maximum durability Marine equipment, food processing, medical devices
Zinc-Aluminum Alloy Lightweight, robust die-cast body with black plated finish Automotive dashboards, commercial electronic enclosures

Procurement RFQ Checklist

Providing these specifications helps FILN engineering and sales teams confirm compatibility and quotation requirements efficiently:

  • Product Type & Model (e.g., FL1M-19FJ-1)
  • Mounting Hole Size (e.g., 19mm)
  • Operating Voltage & Current Type (AC/DC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type (Flat, Recessed, Prominent)
  • Shell Material (Brass, Stainless Steel, Zinc Alloy)
  • Waterproof Requirement & Ingress Rating
  • Wiring Method & Terminal Type (Pin vs. Wire)
  • Target Market & Compliance Certifications
  • Order Quantity & Packaging Requirements

FILN Manufacturing & Engineering Capabilities


FILN operates as a dedicated electrical component manufacturer with comprehensive R&D, tooling design, automated assembly, and rigorous quality testing laboratories. Our engineering team provides custom wire harness integration, specialized voltage adaptations, and rapid sample prototyping to support original equipment manufacturers worldwide.

With strict adherence to ISO9001 quality management protocols, every production batch undergoes dielectric strength testing, waterproof pressure testing, and photometric calibration prior to shipment, ensuring reliable performance for global B2B clients.

FILN Company Overview and Manufacturing Facility

Factory Direct Supply & Global Reach


Yueqing Yulin Electronic Co., Ltd, operating under the brand name FILN in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating research, production, and sales. Premium FILN products are distributed across more than 100 countries.

FILN operates a modern 10,000 m² production facility featuring 20+ advanced automated manufacturing lines and an independent testing laboratory. Driven by strict ISO9001 quality control systems, FILN delivers certified products (UL, CE, RoHS, REACH, TUV, CB, CCC) widely utilized in home appliances, energy storage systems, EV charging infrastructure, marine consoles, and industrial automation.

  • Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and custom electrical assemblies.
  • Quality Approvals: ISO9001, CE, VDE, RoHS, SGS, UL, IP65, TUV, CCC.
  • Export Markets: Global distribution across North America, Europe, Australia, and Asia.
  • Manufacturing Advantages: Direct engineering consultation, custom solution development, and stable bulk wholesale supply.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions


1. How to prevent phantom illumination (faint glowing) in 12V LED indicators?

Phantom glowing in low-voltage LED indicators is often caused by leakage currents from solid-state PLC output modules or triac switches. This can be effectively resolved by connecting a suitable parallel resistor (bleeding resistor) across the indicator terminals to drain off residual stray voltage.

2. Can this IP65 metal indicator light be washed down with caustic chemicals?

Yes, stainless steel shell variants equipped with silicone O-ring seals resist high-pressure chemical washdowns commonly used in food processing and medical sterilization equipment, provided the rear wiring connections are adequately sealed.

3. What panel thickness is compatible with the 19mm metal indicator light?

The 19mm threaded metal housing accommodates standard industrial control panel thicknesses ranging from 1mm up to 6mm, secured tightly from the rear with the included copper alloy locking nut and plum blossom gasket.

4. Are custom terminal configurations available for pin terminal models?

As a direct manufacturer, FILN supports custom terminal sizes, specialized plating, and connector attachment per OEM customer specifications. Contact inquiry@cnylin.com.cn to discuss custom requirements.

5. What is the difference between pin terminal and pre-wired indicator lights?

Pin terminal indicators feature solder lugs requiring spade connectors or direct soldering. Pre-wired indicators feature factory-attached wire leads that save assembly time and improve vibration resistance in mobile machinery.

6. Does FILN provide international safety certifications for these indicators?

Yes, FILN indicator lights carry multiple international compliance certifications including CE, VDE, RoHS, and CCC, manufactured under an ISO9001 quality management system.

7. Can these indicators operate directly on 220V AC power?

Yes, FILN offers internal resistor configurations designed for direct connection to 220V AC or 380V AC power supplies without requiring external dropping resistors.

8. What is the typical lifespan of the LED luminescent source?

The integrated high-brightness LED chip provides an exceptional operational life span ranging from 50,000 to 100,000 hours under normal industrial operating conditions.

9. How do I request bulk wholesale pricing and samples from FILN?

Procurement managers and engineers can request wholesale quotations and samples by emailing the FILN sales team directly at inquiry@cnylin.com.cn.

10. What is the advantage of a flat head indicator design?

The flat head design positions the lens flush with the bezel rim, providing a streamlined appearance and preventing accidental physical snagging or damage.

11. Are dual-color or tri-color options available in the 19mm size?

Yes, FILN manufactures customizable multi-color LED indicators that can switch status colors based on polarity reversal or independent circuit control.

12. What materials are used for the outer shell of the indicator?

FILN offers nickel-plated brass, corrosion-resistant stainless steel, and black-plated zinc-aluminum alloy shell options to match specific environmental demands.

13. What is the minimum order quantity for custom voltage indicators?

MOQ requirements vary depending on specific customization requests. Contact our engineering sales team with your exact project parameters for details.

14. How is the waterproof rating tested and verified?

Each indicator series undergoes stringent water immersion and dust chamber testing to verify compliance with IP65 ingress protection standards.

15. Can these light indicators be used in outdoor solar power systems?

Yes, their UV-resistant PC lenses and IP65 metal bodies make them ideal for outdoor photovoltaic inverter boxes and solar combiner systems.

16. What precautions should be taken when soldering pin terminal models?

Ensure soldering iron temperatures do not exceed 260°C and limit contact time to under 3 seconds to prevent thermal damage to the internal LED chip and base holder.

17. Do these indicators require an external series resistor for low voltages?

Standard units ordered for 3V to 24V operation feature built-in internal current-limiting resistors matched to the operating voltage specified at purchase.

18. Where can I view more mounting size options for metal indicators?

You can explore alternative sizes by visiting the

.

19. How do metal indicators compare to plastic indicators in vibration resistance?

Metal indicators provide superior rigidity and threaded security, preventing panel flexing and housing distortion in heavy industrial machinery subject to continuous vibration.

20. Does FILN offer OEM private labeling on indicator housings?

Yes, OEM laser marking and custom packaging services are available upon request for qualified volume orders. Contact our factory team to discuss branding options.

Recessed Metal Indicator Light Panel for Industrial Equipment 6-22MM | FILN

Executive Summary

The FILN 22mm recessed metal indicator light panel is a heavy-duty industrial signal solution engineered for robust performance across demanding automation systems, electrical switchboards, and OEM machinery. Featuring a durable copper alloy or black-plated zinc-aluminum shell with an IP65 waterproof rating, this recessed head pilot lamp provides clear status visualization for control panels. Designed for bulk wholesale procurement, it accommodates versatile electrical requirements with customizable operating voltages ranging from 3V to 480V AC/DC. Industrial buyers, control panel builders, and equipment manufacturers can request custom bulk orders directly from the factory, benefiting from reliable 2PIN terminal connections and rigorous ISO9001 quality assurance standards.

Product Drawing

22mm 12v ip67 led metal jemco indicator light

Key Takeaways for Procurement & Engineering

  • Product Identity: FILN model FL1M-22CJ-1 22mm recessed metal indicator light panel engineered for industrial control panels.
  • Mounting Dimension: Standard 22mm mounting hole size requiring single-nut threaded installation with secure panel retention.
  • Voltage Versatility: Operates across a wide customizable voltage range from 3V to 480V DC/AC to match specific electrical architectures.
  • Rugged Construction: Built with a high-strength copper alloy shell, PA66 lamp holder, and polycarbonate lens for superior impact resistance.
  • Environmental Protection: IP65 waterproof rating achieved via included silicone O-ring sealing gaskets and stainless steel lock washers.
  • Electrical Termination: Features a reliable 2PIN pin terminal configuration for straightforward wiring and secure connections.
  • Optical Options: High-brightness LED illumination available in Red, Green, Yellow, Blue, and White color configurations.
  • Manufacturing Compliance: Produced under strict ISO9001 standards with CE, VDE, RoHS, and CCC international compliance certifications.
  • Application Range: Ideal for CNC machine tools, power distribution cabinets, marine switchboards, and renewable energy equipment.
  • Manufacturer Direct Support: Backed by Yueqing Yulin Electronic Co., Ltd. offering OEM/ODM customization and wholesale supply chain stability.

What is an Indicator Light Panel?

An indicator light panel serves as the primary visual interface on industrial control boards, machinery consoles, and electrical distribution enclosures, instantly communicating operational status, warnings, or power states to equipment operators. FILN manufactures a comprehensive variety of pilot lamps, encompassing both metal and plastic indicator light categories across standardized mounting sizes from 6mm to 30mm. When selecting terminal configurations, buyers can choose between 2PIN plug-in pin terminals and direct wire lead assemblies to suit specific installation preferences and space constraints within control cabinets.

Specifically, metal indicator lights are engineered with distinct head geometries, including flat head, protruding head, and recessed head designs, allowing engineers to tailor panel aesthetics and tactile profiles to specific operational environments. The recessed head configuration protects the emitting lens from accidental physical impacts and reduces glare in high-ambient-light industrial settings. FILN offers extensive customization options for these components to satisfy rigorous industrial design criteria.

FILN Metal Indicator Light Series Overview

Product Overview: FL1M-22CJ-1

The FILN FL1M-22CJ-1 is an engineered 22mm recessed metal indicator light panel designed for high-reliability electrical signalling. Operating on a robust electro-mechanical principle, it integrates a high-brightness LED luminescent source paired with a precision internal carbon film voltage-dropping resistor. When energized by operating voltages ranging from 3V to 480V DC or AC, current passes through the 2PIN terminal interface to illuminate the polycarbonate lens positioned within the heavy-duty copper alloy housing.

Industrial advantages include exceptional resistance to mechanical shock, vibration, and thermal stress compared to conventional plastic alternatives. The precision-machined metal shell ensures long-term structural integrity in harsh manufacturing environments, while integrated silicone sealing elements achieve an IP65 ingress protection rating. Certified to international standards including CE, VDE, RoHS, and ISO9001, this indicator provides maintenance-free status indication across diverse global industrial sectors.

Quick Technical Specifications

Specification Parameter Technical Detail
Product Description 22mm Recessed Metal Indicator Light Panel
Indicator Light Model FL1M-22CJ-1
Mounting Hole Size 22mm (approx. 0.866 inches)
Rated Operating Voltage 3V – 480V DC/AC (Customizable)
LED Color Options Red (R), Green (G), Yellow (Y), Blue (B), White (W)
Waterproof Rating IP65 (with silicone O-ring gasket)
Wiring Type 2PIN Plug-in Terminal
Head Type Recessed Head (Concave LED Lens)
Surface Quality Standard Smooth and flat surface without burrs, oxidation, cracks, or visible manufacturing defects.
Assembly Compliance Head and base assemblies properly fitted to prevent rotation, detachment, tilt, or deformation.
Standard Accessories 1x Indicator Light, 1x Waterproof O-Ring, 1x Gasket, 1x M22 Mounting Nut

Performance Parameters

Performance Metric Technical Specification
Rated Operating Voltage 3V – 480V DC/AC (Customizable per requirements)
AC Frequency 50 / 60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC between lead wires and housing)
Dielectric Strength (Voltage Proof) 1500V – 1800V AC, no breakdown or flashover
Operating Life Expectancy 50,000 to 100,000 hours
Ingress Protection Rating IP65

Component Materials & Engineering Selection

Every component within the FL1M-22CJ-1 indicator light panel is selected to ensure structural durability, electrical safety, and environmental resistance across heavy industrial applications.

Accessory / Component Name Material Composition Functional Purpose
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical strength, impact resistance, and grounding stability.
Lamp Holder PA66 (Polyamide 66) Ensures high thermal stability and internal electrical insulation.
Lampshade / Lens PC (Polycarbonate) Delivers high light transmittance and UV/impact resistance.
Luminescent Source High-brightness LED Generates energy-efficient, long-lasting status illumination.
Resistor Carbon film resistor Regulates operating voltage and stabilizes electrical current.
Wire / Lead Wire PVC Provides flexible and insulated internal power transmission.
Mounting Nut Copper alloy Secures the indicator firmly against the control panel surface.
O-Ring Seal Silicone / Silica gel Creates an airtight, water-resistant barrier meeting IP65 standards.
Lock Washer / Gasket Stainless steel Prevents loosening under continuous industrial vibration.

Environmental Performance

This specification outlines the general operating envelope for the FILN metal indicator light series, ensuring reliable deployment in demanding industrial thermal and humidity conditions.

Environmental Test Parameter Specification Standard
Application Scope General operating range for metal indicator light series
Part Name Metal Indicator Light (Model: FL1M-22CJ-1)
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours at 80 ± 2°C
Low Temperature Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Specification & Electro-Optical Characteristics

The internal LED chip parameters dictate the electrical thresholds and optical output performance of the indicator light panel.

Absolute Maximum Ratings (Ta = 25°C)

Parameter Symbol Maximum Rating
Maximum Forward Current IFP 20 mA
Reverse Voltage VR 5 V
Power Dissipation PD 60 mW
Operating Temperature TOPR -40°C ~ +80°C
Storage Temperature TSTG -40°C ~ +100°C
Lead-Free Soldering Temperature TSOL Max. 260°C for 3 sec. Max.

Electro-Optical Characteristics (Ta = 25°C)

Parameter Test Condition Specification Value / Range
Forward Voltage (VF) IF = 20 mA 2.8 V (Min.) ~ 3.2 V (Max.)
Reverse Current (IR) VR = 5 V 5 µA (Max.)
Viewing Angle (2θ1/2) IF = 20 mA Typical Value: 60°
Luminous Intensity (Iv) IF = 20 mA 500 mcd (Min.) ~ 800 mcd (Max.)
Recommended Forward Current (IF) – Typical Value: 20 mA
Dominant Wavelength (λd) IF = 20 mA 520 nm ~ 525 nm (for green variant)
Junction Temperature (Tj) IF = 20 mA Maximum: 125°C
Thermal Resistance (RJP) IF = 20 mA Typical Value: 8°C/W

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under controlled standard atmospheric conditions to ensure batch consistency.

Atmospheric Parameter Measurement Standard Range
Ambient Temperature 5°C ~ 35°C
Relative Humidity 45% ~ 85%
Air Pressure 86 ~ 106 kPa (860 ~ 1060 mbar)

Testing Notes & Tolerances:

  • Luminous intensity and dominant wavelength are calibrated in accordance with the CIE international standard of human eye response curve.
  • Tolerance of luminous intensity measurement: ±15%.
  • Tolerance of voltage measurement: ±0.1V.

Applications by Industry

Metal indicator lights utilize high-strength copper alloy or stainless steel metal shells, delivering superior impact resistance and IP65/IP67 waterproof ratings suitable for rigorous industrial and commercial environments. While plastic indicator lights are prone to aging, cracking, and high-temperature deformation over prolonged use, metal indicator lights excel in harsh operating conditions characterized by frequent operation and high reliability demands.

1. Industrial Automation & Machinery Manufacturing

This sector represents the primary application arena for metal indicator lights, where machinery operates amidst continuous mechanical vibration, cutting fluids, and particulate debris.

  • CNC Machine Tools & Machining Centers: Control panels utilize red, yellow, and green metal indicator lights where green signifies normal operation, yellow indicates standby or warning, and red denotes emergency stop or system faults. The metal shell withstands corrosive cutting fluids and metallic shavings.
  • Automation Production Line Control Cabinets: Large electrical distribution and PLC control cabinets integrate 22mm metal indicator lights supporting AC220V and DC24V circuits to clearly display power phase statuses.
  • Hydraulic & Pneumatic Equipment: Deployed for oil pump start/stop and pressure limit warnings. Equipment vibration is absorbed by robust terminal designs, preventing wire detachment common in flimsy plastic variants.

2. Outdoor Power & Renewable Energy Distribution

Outdoor electrical installations endure extreme temperature swings, intense UV radiation, and severe weather, requiring high weatherability and moisture resistance.

  • EV Charging Stations: Outdoor DC and AC charging piles utilize recessed metal indicator lights where blinking blue/green signifies active charging, steady light indicates completion, and flashing red signals ground faults. The IP65 rating resists vandalism and weathering in public deployments.
  • Solar Photovoltaic Combiner Boxes: Solar farms and municipal outdoor distribution boxes rely on these indicators to display high-voltage closing and inverter operation status across operating temperatures from -40°C to 80°C.

3. Rail Transit, Utility Vehicles & Marine Equipment

Vehicles and marine vessels experience constant mechanical shock and severe salt-fog corrosion environments.

  • Engineering Vehicle Dashboards: Excavators, cranes, and bulldozers incorporate indicator lights on dashboard panels to signal oil pressure, coolant temperature, and braking status under heavy shock loads.
  • Marine & Port Control Consoles: Shipboard instrument panels and deck control boxes utilize plated metal indicator lights to resist saltwater corrosion, backed by silicone sealing gaskets preventing moisture ingress.

4. Commercial Kiosks & Public Security Facilities

Public-facing equipment is vulnerable to physical impact and vandalism, making durable metal construction essential.

  • Vending & Ticketing Machines: Paired alongside metal anti-vandal push buttons to signal coin insertion, dispensing, and change status.
  • Gas Station Dispenser Panels: Hazardous explosive environments require robust electrical separation provided by grounded metal indicator housings.
  • Outdoor Intercom & Access Control: Stainless steel access panels use dual-color indicators to display lock engagement status.

5. Medical Equipment & Food Processing Machinery

These industries require frequent washdowns and sterilization, demanding high chemical and moisture resistance.

  • Food Bottling & Packaging Lines: Subjected to daily high-pressure hot water and chemical washdown. IP65 metal indicators withstand spray jets without internal corrosion.
  • Medical Sterilization Autoclaves: High-temperature medical apparatus uses indicator lights to differentiate heating, sterilizing, and exhaust phases.
FILN Indicator Light Industrial Applications

LED Indicator Color Meanings and Application Guide

Indicator color selection is critical for conveying intuitive operational statuses to equipment operators. FILN offers single-color, dual-color, and tri-color configurations across the FL1M-22CJ-1 series. Color conventions generally align with standard industrial practices, though exact definitions depend on specific control system designs.

Color Common Meaning Typical Equipment Status Typical Application Recommended Environment
Red Danger / Emergency / Stop Fault, emergency stop engaged, over-temperature Machine trip alarm, fire panel alert High-visibility control console
Green Normal / Safe / Go Power ON, cycle running normally Main power indicator, motor running light General industrial machinery
Yellow / Amber Caution / Warning / Standby Abnormal condition, standby mode, oil pressure warning Pre-heating stage, fluid level warning Process automation panels
Blue Mandatory Action / Information Cooling active, charging in progress, mode active EV charging station status, refrigeration loop Outdoor charging & utility equipment
White Neutral / Power Available Control circuit energized, illumination active Cabinet internal lighting status, general power Standard electrical enclosures

Note: Indicator light color conventions can vary by equipment manufacturer, regional engineering standards, and specific application requirements. Always verify system schematic guidelines before finalizing panel layouts.

Installation Guide

Proper mechanical and electrical installation ensures the FL1M-22CJ-1 indicator light panel achieves its rated IP65 waterproof performance and long operational lifespan. Follow these standardized engineering steps:

  1. Safety Preparation: Ensure all power to the control panel is completely disconnected and locked out prior to commencing mechanical work.
  2. Required Tools: Prepare a precision hole punch or drill, caliper, wire strippers, crimping tool, and insulated screwdriver.
  3. Panel Preparation: Accurately mark and drill a 22mm diameter mounting hole in the equipment control panel surface. Ensure the surrounding area is free of burrs or metal shavings.
  4. Gasket Positioning: Place the provided silicone waterproof O-ring onto the indicator body shaft just behind the recessed head flange.
  5. Inserting the Indicator: Insert the indicator light body from the front side of the control panel through the 22mm mounting hole.
  6. Securing the Nut: Thread the M22 copper alloy locking nut onto the indicator shaft from the rear of the panel. Tighten securely using appropriate tooling to compress the O-ring and achieve IP65 sealing. Do not overtighten to avoid thread stripping.
  7. Wiring Connection: Connect the circuit power leads to the 2PIN pin terminals using appropriate receptacles, solder, or quick-connect connectors. Observe correct polarity if utilizing DC configurations.
  8. Post-Installation Inspection: Verify that the indicator head is securely seated without rotation, tilting, or deformation, and confirm circuit continuity before restoring power.
FILN Indicator Light Installation Process

Wiring Guide & Connection Methods

The FL1M-22CJ-1 model utilizes a 2PIN pin terminal configuration designed for secure electrical connection inside dense control cabinets. Alternatively, FILN offers direct wire lead variants for streamlined assembly.

Pin Terminal Wiring: Pin terminal indicators connect easily using standard female spade receptacles (quick-disconnect terminals) matched to the pin dimensions. Ensure crimps are mechanically secure and insulated with heat shrink tubing to prevent accidental shorts.

Direct Wire Lead Wiring: For direct wire-lead indicator variants such as the recommended 22mm Recessed Wire Lead Indicator FL1M-22CW-1, connections can be established using quick-link connectors, professional soldering, or secure electrical tape wrapping to guarantee long-term stability in high-vibration environments.

Important Safety Notice:

Always disconnect and cut off power before performing any electrical wiring or maintenance to prevent electrical shock or equipment damage.

Industry Knowledge Center

Understanding the technical nuances of industrial signal lamps helps engineers prevent premature field failures and optimize control panel reliability.

Why Metal Indicators Matter in Harsh Environments

Industrial facilities present aggressive environmental hazards including UV exposure, chemical splashing, mechanical impacts, and wide temperature swings. Plastic indicator housings degrade, yellow, and embrittle over time. Copper alloy and zinc-aluminum metal housings provide superior mechanical protection, grounding continuity, and structural rigidity.

Troubleshooting: Faint Glowing (Phantom Illumination) in 12V/24V LEDs

A common phenomenon in low-voltage DC LED indicators is a faint residual glow when the control switch is open. This is typically caused by leakage current through solid-state PLC output cards, snubber circuits, or induced AC voltages in long parallel wire runs. Resolving this requires adding a suitable bleed resistor across the indicator terminals to shunt stray leakage current away from the LED diode junction.

Buyer Decision & Material Selection Guide

Selecting the correct metal indicator light panel requires evaluating mounting dimensions, electrical voltage parameters, and shell material properties. FILN offers multiple metal shell options to suit distinct operational environments.

Metal Shell Material Comparison

Material Option Key Advantages Limitations Recommended Application
Brass Nickel-Plated High mechanical strength, excellent electrical conductivity, cost-effective metal choice. Susceptible to corrosion in extreme marine salt-spray environments without protective plating. General industrial machinery, indoor electrical cabinets, automation control panels.
Stainless Steel Superior corrosion resistance, exceptional hardness, chemical washdown durability. Higher raw material and machining cost. Food processing machinery, medical devices, marine and outdoor coastal installations.
Zinc-Aluminum Alloy Lightweight, excellent die-casting precision, good aesthetic finish via black plating. Lower impact threshold compared to solid brass or stainless steel. Commercial equipment, instrumentation panels, indoor control consoles.

Recommended 22mm Metal Indicator Light Series

Explore more options within our comprehensive 22mm LED Indicator Light Collection.

Similar Alternative Sizes Available

RFQs & Procurement Checklist

When requesting a formal quotation from FILN, providing complete specification details accelerates technical review and sample preparation:

  • Product Type & Model (e.g., FL1M-22CJ-1)
  • Mounting Hole Size (22mm)
  • Operating Voltage & Current Type (AC/DC, 3V to 480V)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type & Shell Material (Recessed Head, Brass/Stainless Steel)
  • Wiring Method & Terminal Type (2PIN Pin Terminal)
  • Required Quantity & Target Delivery Schedule

FILN Manufacturing & Engineering Capabilities

As a dedicated manufacturer of industrial electrical components, FILN combines advanced R&D capabilities with rigorous quality control. Our engineering team supports custom OEM and ODM developments, tailored voltage configurations, specialized wire harnesses, and bespoke laser marking. Every production batch undergoes strict electrical and waterproof testing to ensure field reliability.

FILN R&D and Engineering Facility

Factory Direct Supply & Global Reach

Yueqing Yulin Electronic Co., Ltd., operating under the brand name FILN in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Certified products (UL, CE, RoHS, REACH, TUV, CB) are widely used in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

  • Production Capabilities: Indicator lights, push button switches, rocker switches, toggle switches, and other small electrical components with complete custom manufacturing support.
  • Quality System: ISO9001, CE, VDE, RoHS, SGS, UL, IP65, and TUV certifications.
  • Export Markets: Global distribution across North America, Europe, Asia-Pacific, and South America.
  • Manufacturing Advantages: Professional engineers providing direct technical collaboration and bespoke solution engineering.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12V LED indicators?

Phantom illumination in low-voltage LED indicators occurs when residual leakage current passes through solid-state PLC outputs or long parallel wiring runs. This can be effectively resolved by installing a suitable bleed resistor in parallel across the indicator terminals to safely bypass stray current away from the LED diode.

2. Can this IP67/IP65 indicator light be washed down with caustic chemicals?

The FL1M-22CJ-1 features an IP65 rating with silicone sealing gaskets, making it resistant to standard water spray and cleaning jets. For aggressive chemical washdowns in food or medical processing, upgrading to a stainless steel shell variant is strongly recommended.

3. What is the standard mounting hole size required for the FL1M-22CJ-1?

This indicator light panel requires a standard 22mm (approx. 0.866 inches) circular mounting hole punched or drilled into the equipment control panel, secured from the rear using the supplied M22 copper alloy locking nut.

4. What operating voltage options are available for this metal indicator?

FILN manufactures this indicator with customizable internal resistors supporting operating voltages ranging from 3V to 480V DC or AC, accommodating standard industrial control circuits worldwide.

5. How do 2PIN pin terminal indicators connect to control wiring?

The 2PIN pin terminals accept standard female quick-disconnect spade receptacles. Installers can crimp insulated wire leads securely onto the pins or solder connections directly depending on assembly preferences.

6. What are the advantages of a recessed head indicator design?

The recessed head design positions the LED lens slightly below the bezel rim, protecting the optical surface from accidental physical impact, scratches, and excessive glare in high-ambient-light industrial environments.

7. Are custom wire lead lengths available for bulk orders?

Yes, FILN provides custom wire lead lengths, pre-stripped cable ends, and specialized connector attachments upon request for OEM and bulk wholesale orders.

8. What international quality certifications does FILN hold?

FILN operates under an ISO9001 certified quality management system, with individual indicator light products complying with CE, VDE, RoHS, SGS, UL, and CCC standards.

9. What materials are used for the indicator shell construction?

The standard shell is constructed from high-strength copper alloy or black-plated zinc-aluminum alloy, with stainless steel options available for specialized corrosion resistance requirements.

10. Can FILN provide custom laser marking or logo printing on indicator bezels?

Yes, FILN supports custom OEM etching, specialized symbols, and company logo marking on indicator bezels and housings for qualified bulk orders.

11. What is the typical lifespan of the internal LED light source?

The high-brightness LED luminescent source is engineered for an operational lifespan ranging between 50,000 to 100,000 hours under standard operating conditions.

12. How does the waterproof O-ring seal function during installation?

The silicone O-ring sits between the indicator head flange and the front panel surface. When the rear M22 nut is tightened, the gasket compresses to seal the mounting aperture against dust and moisture ingress.

13. What is the difference between pin terminal and wire lead indicators?

Pin terminal indicators use exposed metal pins for modular spade connector attachment, whereas wire lead indicators feature factory-attached cables suitable for direct wiring or quick-link splicing.

14. Are samples available for engineering evaluation prior to bulk purchase?

Yes, engineering samples can be requested by contacting our sales and technical team directly at inquiry@cnylin.com.cn to verify physical and electrical compatibility.

15. What operating temperature range is supported by the FL1M-22CJ-1?

The indicator light is designed to operate reliably in ambient temperatures ranging from -40°C to +80°C, supporting both freezing outdoor environments and heated industrial enclosures.

16. Does FILN support small-batch custom manufacturing orders?

Yes, FILN accommodates flexible order quantities, offering both small-batch sample production and full-scale mass manufacturing support for industrial clients.

17. How should I choose between Red, Green, and Yellow indicator colors?

Color selection should follow established industrial safety conventions: Green for normal operation or power ON, Yellow for warning or standby, and Red for emergency stops or system faults.

18. What is the power consumption of the internal LED assembly?

The indicator consumes approximately 0.2W of power with an operating current of 20mA or less, ensuring high energy efficiency across large control console arrays.

19. How do I verify electrical insulation resistance during testing?

Insulation resistance should measure 100 MΩ or greater when tested with 500V DC applied between the internal circuit terminals and the metal housing shell.

20. How can I submit an RFQ or technical drawing request to FILN?

You can submit your specifications, required quantities, and technical drawings directly via email to inquiry@cnylin.com.cn for a prompt engineering review and quotation.


Convex Metal Indicating Lights with 2PIN Terminals LED AC Light| FILN

Summary

The FILN FL1M-19SJ-1 is a robust 19mm convex metal indicating light engineered for industrial control panels, automation machinery, and electrical equipment. Manufactured by Yueqing Yulin Electronic Co., Ltd, this heavy-duty pilot lamp features a durable copper alloy or black-plated zinc-aluminum alloy shell, offering superior mechanical strength and an IP65 waterproof rating via an integrated silicone sealing ring. Designed for B2B procurement managers, original equipment manufacturers, and control panel builders, it accommodates customizable operating voltages from 3V to 480V AC/DC with a standard 2-pin terminal connection. FILN provides comprehensive wholesale, OEM, and bulk custom manufacturing capabilities to support diverse industrial applications worldwide.

Product Drawing

19mm 220v metal indicator light

Key Takeaways for Buyers and Engineers

  • Product Identity: FILN 19mm convex metal indicating lights (Model: FL1M-19SJ-1) built for professional industrial applications.
  • Voltage Flexibility: Supports configurable operating voltages from 3V to 480V AC/DC to match diverse electrical control circuits.
  • Durable Construction: Features a high-strength copper alloy or plated metal shell offering superior impact resistance compared to standard plastic alternatives.
  • Ingress Protection: Achieves an IP65 waterproof and dustproof rating when installed correctly with the provided silicone O-ring.
  • Mounting Specification: Requires a standard 19mm panel mounting hole, secured via a single rear metal locking nut.
  • Electrical Termination: Equipped with secure 2PIN pin terminals for stable wiring and connection integrity.
  • Optical Options: Available in Red, Green, Yellow, Blue, and White LED configurations with high brightness.
  • Manufacturer Direct Supply: Backed by FILN factory-direct production, supporting bulk wholesale orders and custom configurations.
  • Quality Compliance: Manufactured under rigorous ISO9001 standards with CE, VDE, RoHS, and CCC compliance certifications.
  • Procurement Support: Direct access to engineering assistance, 3D modeling files, and prompt quotation processing via inquiry@cnylin.com.cn.

What is FL1M-19SJ-1 Indicating Lights

Indicating lights function as essential visual status indicators in electrical control systems, communicating operational states, power availability, or alarm conditions to machine operators. The FILN FL1M-19SJ-1 model is a specialized 19mm convex metal indicating light engineered to withstand harsh industrial environments. Its structural design incorporates a durable metal housing, an internal high-brightness LED luminescent source, a protective lens, and secure 2PIN pin terminals for electrical connection.

Indicator lights are manufactured in various structural configurations, including metal and plastic bodies, spanning mounting sizes from 6mm to 30mm. Electrical connection methods include standard pin terminals or direct wire leads. Metal indicating lights specifically offer flat head, protruding convex head, and recessed head variants to match specific aesthetic and functional requirements. Among these, the 19mm convex head design provides wide-angle visibility and high mechanical protection.

FILN Metal Indicating Lights Overview

Product Overview

The FILN indicating lights series represents state-of-the-art visual signaling technology designed for industrial automation and electrical equipment. Operating on fundamental optoelectronic principles, these units convert electrical energy into clear optical illumination via internal solid-state LED chips and protective current-limiting resistors. When voltage is applied across the 2PIN terminals, the LED emits calibrated light through the colored convex lens, providing instantaneous feedback.

Mechanically, the unit relies on a single-hole threaded barrel mounting system secured by a heavy-duty locking nut and sealed with an O-ring gasket to prevent moisture ingress. Industrial advantages include vibration resistance, long operational lifespans exceeding 50,000 hours, and robust thermal performance. Certified to international standards including CE and RoHS, these indicating lights integrate seamlessly into heavy machinery, control panels, and distribution units.

Quick Specifications

Product Description Metal indicating lights with 2PIN terminals
Indicating Light Model FL1M-19SJ-1
Mounting Hole Size 19mm (approx. 0.75 inches)
Voltage Options 3V – 480V DC/AC (Customizable)
LED Color Red, Green, Yellow, Blue, White (R/G/Y/B/W)
Waterproof Rating IP65 / IP67 (Configuration dependent)
Wiring Type 2PIN Pin Terminal
Head Type Convex Head (Protruding)
Surface Quality Smooth and flat without burrs, oxidation, cracks, or visible defects.
Assembly Requirements Head and base assemblies properly fitted; no rotation, detachment, tilt, or deformation.

Performance Parameters

Rated Operating Voltage 3V–480V DC/AC (Customizable per customer specifications)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between terminals and housing)
Dielectric Strength 1500V–1800V AC, no breakdown or flashover
Operating Life 50,000 to 100,000 hours
Ingress Protection Rating IP65 / IP67

Component Materials

Component Part Material Specification Engineering Purpose
Shell Copper alloy / Black-plated zinc-aluminum alloy Provides structural rigidity, impact resistance, and electromagnetic shielding.
Lamp Holder PA66 Offers high thermal stability and electrical insulation.
Lampshade / Lens PC (Polycarbonate) Ensures high light transmission and impact resistance.
Luminescent Source High-brightness LED Delivers energy-efficient, long-lasting optical output.
Resistor Carbon film resistor Regulates operating current and stabilizes voltage input.
Wire / Lead Wire PVC Flexible insulation for safe electrical connection.
Nut Copper alloy Ensures secure, corrosion-resistant panel mounting.
O-Ring Silicone / Silica gel Seals against moisture and dust ingress (IP65/IP67).
Lock Washer Stainless steel Prevents loosening under continuous industrial vibration.

Environmental Performance

Application Scope General operating range for FL1M metal indicating lights series.
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤85% at +40℃
High Temperature Test 96 hours at 80±2℃
Low Temperature Test 96 hours at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90%~95%RH
Temperature Cycling Test Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total

LED Technical Specifications

The integrated LED chip within the indicating lights is engineered to meet strict electro-optical parameters, ensuring stable luminous performance across industrial lifecycles.

Parameter Category Condition / Specification Limit
Max Forward Current (IFP) 20 mA
Reverse Voltage (VR) 5 V
Power Dissipation (PD) 60 mW
Forward Voltage (VF) 2.8 V (Min.) ~ 3.2 V (Max.) at IF = 20 mA
Luminous Intensity (Iv) 500 mcd (Min.) ~ 800 mcd (Max.) at IF = 20 mA
Viewing Angle (2θ½) Typical Value: 60°
Dominant Wavelength (λd) 520 nm ~ 525 nm (Green reference)

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters for indicating lights are measured under standard atmospheric conditions:

  • Ambient Temperature: 5℃ ~ 35℃
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 Kpa (860 ~ 1060 mbar)

Note: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards. Luminous intensity measurement tolerance is ±15%, and voltage measurement tolerance is ±0.1V.

Applications by Industry

Metal indicating lights utilize high-strength copper alloy or stainless steel metal housings, providing exceptional impact resistance and IP65/IP67 waterproof protection for industrial and commercial environments. While plastic indicators degrade, warp, or crack over time under harsh conditions, metal indicating lights adapt to rigorous duty cycles.

1. Industrial Automation & Machinery Manufacturing

CNC machine control panels incorporate red, green, and yellow metal indicating lights to denote operational status, standby, and emergency stop conditions while resisting cutting fluids and metal debris. Large distribution cabinets and PLC panels use 19mm units to display power status clearly.

2. Outdoor Power & New Energy Distribution Systems

Outdoor electric vehicle (EV) charging stations and photovoltaic combiner boxes utilize robust indicating lights to signal charging status and fault alerts, withstanding extreme thermal fluctuations from -40℃ to 80℃.

3. Rail Transit, Engineering Vehicles & Marine Equipment

Cranes, excavators, and marine control consoles employ corrosion-resistant metal indicating lights to withstand continuous heavy mechanical vibration and saline maritime environments.

4. Commercial Self-Service & Public Infrastructure

Ticketing kiosks, vending machines, and outdoor access control panels use anti-vandal metal indicating lights to prevent physical damage in public spaces.

Application of FILN Indicating Lights

Explore Alternative Sizes in the FILN Metal Series

FILN manufactures a complete spectrum of metal indicating lights across multiple mounting diameters to suit diverse panel layouts. Discover matching series options below:

8mm Metal Indicating Light

8mm Convex Series

Compact design ideal for tight space instrument clusters.

View 8mm Model →

12mm Metal Indicating Light

12mm Convex Series

Standard small-format panel status signaling.

View 12mm Model →

14mm Metal Indicating Light

14mm Convex Series

Balanced size for general automation equipment.

View 14mm Model →

16mm Metal Indicating Light

16mm Convex Series

Widely deployed in control desks and power boxes.

View 16mm Model →

LED Indicator Color Meanings and Application Guide

Indicating lights utilize standardized color coding to communicate machine states instantly. Red denotes emergency stops, faults, or danger; Green represents normal operation or safe running; Yellow/Amber indicates standby, warnings, or abnormal parameters; Blue specifies mandatory actions or specific operational modes; White signifies general power presence or auxiliary status.

Color Common Meaning Typical Status Recommended Application
Red Danger / Alarm Fault / Emergency Stop Machine trip alerts, error indicators
Green Normal / Safe Running / Power ON Standard operation, feeder active
Yellow Caution / Warning Standby / Threshold limit Temperature warning, low fluid level
Blue Mandatory Action Active Mode / Charging EV charging status, cooling active
White Neutral / General Auxiliary Power ON Main cabinet illumination status

Installation Guide

Proper installation ensures long-term mechanical stability and IP65 waterproof performance for your indicating lights.

  1. Panel Preparation: Drill or punch a precise 19mm circular mounting hole into the control panel surface, ensuring the edge is clean and free of burrs.
  2. Gasket Placement: Ensure the silicone waterproof O-ring is correctly seated on the threaded barrel of the indicating light just below the convex head flange.
  3. Insertion: Insert the metal indicating light body from the front side of the control panel through the 19mm mounting hole.
  4. Rear Securing: Thread the metal locking nut onto the barrel from the rear side of the panel and tighten securely to compress the sealing gasket.
  5. Electrical Termination: Connect circuit wiring to the 2PIN pin terminals using appropriate receptacles, solder, or quick-link connectors while ensuring power is disconnected.
FILN Indicating Lights Installation Steps

Wiring Guide: Pin Terminals vs. Wire Leads

Understanding wiring options is essential for optimal electrical integration. The FL1M-19SJ-1 features 2PIN pin terminals, which require crimp receptacles or direct soldering. Alternatively, wire-lead variants (such as the FL1M-19SW-1 model) come pre-attached with insulated PVC cables for fast plug-and-play installation.

Wiring Type Advantages Typical Application Scope
2PIN Pin Terminals (FL1M-19SJ-1) Modular connection, easy maintenance replacement, secure mechanical crimping. Standard industrial control panels, PLC cabinets, modular switchboards.
Direct Wire Leads (FL1M-19SW-1) Pre-wired for rapid installation, enhanced moisture sealing at the rear base. Outdoor equipment, vehicle dashboards, tight spaces.

Looking for pre-wired 19mm options?

View 19mm Wire Lead Indicating Lights (FL1M-19SW-1) →

Industry Knowledge Center

Selecting the correct indicating lights requires evaluating electrical load, mechanical protection, and environmental exposure. Industrial standards dictate that status indicators must remain clearly visible from wide viewing angles under ambient factory illumination. Proper maintenance involves periodic inspection of terminal tightness and seal integrity to prevent premature component wear.

Buyer Decision Guide & RFQ Checklist

FILN offers three primary metal shell variants: Nickel-plated brass, stainless steel, and zinc-aluminum alloy. Review the comparison below to match materials with your operating environment.

Shell Material Key Advantages Recommended Environment
Nickel-Plated Brass High durability, cost-effective metal finish, good electrical conductivity. Standard indoor industrial control panels, machinery.
Stainless Steel Superior corrosion resistance, high tensile strength, hygienic surface. Marine environments, food processing, medical equipment.
Zinc-Aluminum Alloy Lightweight, excellent casting precision, black-plated aesthetic options. Commercial appliances, automotive dashboards, enclosures.

RFQ Specification Checklist

When requesting a quotation for indicating lights from FILN, please provide the following details to ensure accurate processing:

  • Product Type & Model (e.g., FL1M-19SJ-1)
  • Mounting Hole Size (19mm)
  • Operating Voltage & Type (e.g., 24V AC/DC, 220V AC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type & Material Selection
  • Required Quantity & Target Delivery Date

FILN Manufacturing and Engineering Capabilities

As a dedicated electrical component manufacturer established in 2006, FILN provides robust R&D, OEM/ODM customization, precision mold design, automated assembly lines, and rigorous quality testing laboratories. Our engineering team supports custom voltage configurations, specialized wire harnesses, and tailored marking requirements for global industrial clients.

FILN Manufacturing Facility and Engineering Capabilities

Factory Direct Supply & Global Reach

Yueqing Yulin Electronic Co., Ltd., operating under the brand name FILN in Wenzhou, Zhejiang, is a professional electrical switch manufacturer integrating research, production, and sales. Serving customers in over 100 countries, FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing laboratory. Operating under strict ISO9001 quality systems, our certified products—including UL, CE, RoHS, REACH, TUV, CB, and CCC—are widely trusted across industrial automation, energy storage, EV charging, and marine systems.

Core Production: Indicating lights, push button switches, rocker switches, toggle switches, and custom electrical accessories.
Quality Certifications: ISO9001, CE, VDE, RoHS, SGS, UL, IP65, TUV, CCC.
Official Website: www.filn.com
Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions (FAQ)

1. How to prevent phantom illumination (faint glowing) in 12V LED indicating lights?

Phantom illumination or faint glowing can occur due to induced AC voltages or residual leakage currents from solid-state control outputs. Installing a parallel bleeding resistor or using a properly rated anti-interference module across the 2PIN terminals effectively drains residual charge and eliminates unwanted illumination.

2. Can this IP65 waterproof indicating light be washed down with caustic chemicals?

While the IP65/IP67 indicating lights feature silicone seals and robust metal shells suitable for standard washdown cycles, prolonged exposure to aggressive caustic chemicals can degrade rubber gaskets or surface plating. Stainless steel housing variants are recommended for chemical-heavy washdown environments.

3. What is the standard mounting hole diameter required for the FL1M-19SJ-1?

This model requires a precise 19mm (approx. 0.75 inches) circular mounting hole drilled into the control panel. The unit is secured using the provided rear metal locking nut and O-ring.

4. What operating voltage options are available for FILN metal indicating lights?

FILN manufactures indicating lights supporting customizable operating voltages ranging from 3V to 480V AC/DC, allowing direct integration into low-voltage electronic circuits and high-voltage industrial power distribution systems.

5. Are custom wire lead lengths available for OEM orders?

Yes, FILN provides OEM custom wire lengths, pre-attached connectors, and custom terminal housings upon request to streamline assembly for equipment manufacturers.

6. What certifications do FILN metal indicating lights hold?

FILN indicating lights carry international safety and quality certifications including CE, VDE, RoHS, ISO9001, and CCC, meeting stringent regulatory requirements for global export markets.

7. How do pin terminal connections differ from wire lead connections?

Pin terminals (2PIN) allow modular slide-on crimp connectors or direct soldering, facilitating easy component replacement. Pre-wired lead models offer sealed cable integration for enhanced moisture protection in outdoor applications.

8. What material options are offered for the indicator shell?

FILN offers nickel-plated brass, stainless steel, and zinc-aluminum alloy shell options to match specific mechanical, aesthetic, and corrosion-resistance criteria.

9. What is the typical operating lifespan of the LED luminescent source?

The high-brightness internal LED provides an extended operational lifespan between 50,000 and 100,000 hours under standard electrical operating parameters.

10. How can I request 3D CAD models or engineering drawings?

You can request complete 3D modeling files, technical data sheets, and engineering drawings by contacting the FILN sales team directly via email at inquiry@cnylin.com.cn.

11. Can these indicating lights operate in high-vibration machinery?

Yes, the heavy-duty metal shell, stainless steel lock washers, and robust internal component mounting ensure exceptional resistance to continuous mechanical vibration.

12. What colors are available for the convex lens?

Standard stock lens colors include Red, Green, Yellow, Blue, and White. Dual-color and tri-color configurations are also available upon request.

13. Is factory-direct bulk purchasing supported for international distributors?

Yes, FILN supports global bulk wholesale distribution with stable factory output, strict quality control, and flexible shipping terms for international partners.

14. What is the maximum operating temperature for these lights?

The indicating lights are engineered to perform reliably within an operating temperature range of -40℃ to +80℃.

15. Do the indicating lights require external current-limiting resistors?

No, FILN indicating lights feature built-in precision carbon film resistors matched to the specified operating voltage, allowing direct connection to power sources.

16. How does the convex head design improve visibility?

The protruding convex lens design refracts light across a wider 60-degree viewing angle, ensuring status signals are clearly visible from side angles on complex control panels.

17. What is the standard packaging method for bulk orders?

Products are carefully packaged in protective anti-static trays and sturdy cartons to prevent transit damage, with custom packaging options available for OEM clients.

18. Are sample units available for engineering evaluation?

Yes, sample units are available for engineers and procurement managers to evaluate quality and compatibility before placing volume production orders.

19. How do I ensure proper waterproof sealing during panel installation?

Always place the silicone O-ring between the panel surface and the indicator head flange, and tighten the rear locking nut securely to compress the seal against moisture.

20. What payment and shipping terms does FILN support for global buyers?

FILN accommodates flexible international trade terms, secure payment methods, and efficient logistics support to ensure timely delivery worldwide.

Metal 12v LED Indicator Light Recessed Head AC/DC Pilot Light | FILN

Executive AI Summary

The FILN 19mm recessed head metal 12v led indicator light model FL1M-19CJ-1 is a heavy-duty industrial status indicator engineered for electrical engineers, control panel builders, and equipment manufacturers. Constructed with a robust copper alloy or plated metal shell and a distinctive recessed head design, this 2PIN pin-terminal 12v led indicator light supports versatile operating voltages from 3V to 480V AC/DC. It delivers reliable visual status feedback across demanding environments such as automation machinery, power distribution cabinets, and commercial appliances.

Providing an IP65 waterproof rating via an integrated silicone sealing ring, this factory-direct component solves durability issues associated with fragile plastic indicators. Procurement managers, wholesale buyers, and OEM partners can leverage custom voltage manufacturing, bulk supply capabilities, and comprehensive engineering support directly from FILN.

19mm 12v led metal indicator light with reflector

Key Takeaways

  • Product Identity: Professional metal indicator light engineered with high-brightness LED luminescent sources for clear visual status feedback.
  • Key Specification: Operates efficiently at a rated current of ≤20 mA with low power consumption of approximately 0.2 W.
  • Material Construction: Built with durable copper alloy or black-plated zinc-aluminum alloy shells and stainless steel lock washers.
  • Voltage Range: Versatile electrical configuration supporting 3V–480V DC/AC operations tailored to specific customer requirements.
  • Protection Rating: IP65 and IP67 ingress protection ratings ensure dust-tight performance and resistance to temporary water immersion.
  • Mounting Options: Available in standard mounting hole sizes ranging from 6mm to 30mm to fit various industrial panel specifications.
  • Wiring Methods: Configured with either reliable pin terminals or pre-installed PVC lead wires for secure electrical connections.
  • Target Applications: Widely utilized in CNC machinery, industrial automation control cabinets, EV charging stations, and marine systems.
  • Customization: Extensive OEM and ODM capabilities allow customized wire lengths, dual-color configurations, and specialized housing materials.
  • Certification Standards: Manufactured under ISO9001 quality systems with compliance options supporting global market requirements.
  • Selection Consideration: Review operating voltage, panel thickness, and environmental exposure before final component procurement.
  • Ordering Support: Bulk wholesale purchasing backed by direct engineering assistance from FILN manufacturing facilities.

What Is a Metal Indicator Light with Wires?

A metal indicator light with wires is an electromechanical signaling device utilized on control panels, machinery dashboards, and electrical distribution boxes to communicate operational status visually. Its primary function is to alert operators regarding machine power states, fault conditions, or cycle completion through high-brightness LED illumination. Structurally, these components consist of a durable metal outer shell, an internal current-limiting resistor, a high-brightness LED core, an O-ring seal, and pre-attached wire leads that eliminate the need for separate terminal soldering during assembly.

The industrial value of a metal indicator light lies in its mechanical rigidity, superior thermal dissipation, and resistance to physical impacts compared to conventional plastic alternatives. The operating principle relies on passing a controlled electrical current across the internal semiconductor LED chip, producing stable photon emission visible through a polycarbonate lens. Typical applications span heavy industrial automation, switchgear panels, transportation consoles, and commercial appliances.

FILN offers a diverse selection of industrial indicator lights categorized into metal and plastic variants, with mounting dimensions ranging from 6mm to 30mm. Regarding electrical termination, users can select between standard pin terminals and direct wire-lead configurations. Metal indicator lights feature three distinctive exterior head styles—flat head, raised/convex head, and recessed head—allowing engineers to match aesthetic and functional workspace requirements.

FILN Metal Indicator Light Varieties and Options

Send Email to Get Samples

Product Overview

The FILN metal indicator light with wires is engineered as a frontline signaling component for modern electrical architectures. It operates by converting electrical voltage into focused optical illumination via a solid-state semiconductor diode protected inside a rugged metallic enclosure. Mechanically, the unit relies on a threaded barrel design secured by a stainless steel lock washer and tightened with a copper alloy hex nut, ensuring high retention force against continuous equipment vibration.

The electrical principle is governed by an internal carbon film or integrated resistor that steps down and stabilizes operational voltage across the LED chip, safeguarding the circuit against minor voltage fluctuations. Main industrial applications include CNC machinery fault panels, electrical distribution switchboards, and marine monitoring consoles. Key industrial advantages include long operational lifespans exceeding 50,000 hours, high ingress protection ratings, and robust resistance to mechanical shock and oil splash.

Manufactured under strict quality control standards, these indicator lights utilize premium raw materials such as flame-retardant PA66 lamp holders and optical-grade polycarbonate lenses. Compliance with international electrical testing parameters guarantees stable operation across diverse thermal and environmental conditions, making them an essential specification choice for global equipment manufacturers.

Quick Specifications

Technical Parameter Specification Details
Product Description Metal indicator light with integrated wires
Indicator Light Model FILN Industrial Series (Configuration Dependent)
Mounting Hole Size Available in 6mm to 30mm (0.24 inches to 1.18 inches)
Operating Voltage 3V – 480V DC/AC (Customizable)
LED Color Options Red, Green, Yellow/Amber, Blue, White, Dual-Color, Tri-Color
Waterproof Rating IP65 / IP67 rated ingress protection
Wiring Type Pin terminal or pre-attached wire lead
Head Type Flat head, standard round head, or recessed head
Surface Quality Smooth and flat exterior without burrs, oxidation, cracks, or visible manufacturing defects.
Assembly Requirements Head and base assemblies are securely fitted to prevent rotation, detachment, tilt, or structural deformation.

Performance Parameters

The electrical, mechanical, and environmental performance ratings of FILN metal indicator lights are rigorously tested to ensure long-term stability in demanding industrial environments.

Performance Metric Rated Value / Operational Parameter
Rated Operating Voltage 3V – 480V DC/AC (Customizable per customer specifications)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength / Voltage Proof 1500V – 1800V AC, with no electrical breakdown or flashover
Operating Life 50,000 to 100,000 hours of continuous operational service
Ingress Protection Rating IP65 / IP67 dustproof and waterproof specification

Component Materials

Each component of the FILN metal indicator light is selected for optimal mechanical strength, electrical conductivity, and environmental resistance.

Accessory Name Material Composition Engineering Purpose
Shell Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical housing rigidity and corrosion resistance.
Lamp Holder PA66 (Polyamide 66) Ensures high thermal stability and electrical insulation.
Lampshade / Lens PC (Polycarbonate) Delivers high optical clarity and impact resistance.
Luminescent Source High-brightness LED semiconductor chip Generates efficient, long-lasting visual illumination.
Resistor Carbon film resistor Regulates electrical current flow to protect the LED.
Wire / Lead Wire PVC insulated copper wire Facilitates secure electrical connection and flexibility.
Nut Copper alloy Secures the indicator firmly to control panels.
O-Ring Silicone / Silica gel Forms a tight waterproof and dustproof panel seal.
Lock Washer / Gasket Stainless steel Prevents loosening under heavy mechanical vibration.

Environmental Performance

This specification governs the general use range for the FILN metal indicator light series, ensuring reliable operation under extreme thermal and humidity conditions.

Environmental Test Parameter Testing Standard / Condition
Application Scope General use range for Metal Indicator Light series.
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours exposed at 80 ± 2°C
Low Temperature Test 96 hours exposed at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total.

LED Technical Specification

The integrated LED semiconductor chip is characterized by strict absolute maximum ratings and electro-optical performance criteria to guarantee stable luminous output.

Parameter Category Test Condition / Operating Limit
Maximum Forward Current (IFP) 20 mA (Maximum safe operating limit)
Reverse Voltage (VR) 5 V (Maximum limit)
Power Dissipation (PD) 60 mW
Operating Temperature (TOPR) -40°C ~ +80°C
Storage Temperature (TSTG) -40°C ~ +100°C
Lead-Free Soldering Temperature (TSOL) Max. 260°C for 3 sec. Max.
Forward Voltage (VF) Test IF = 20 mA: 2.8 V (Min.) ~ 3.2 V (Max.)
Reverse Current (IR) Test VR = 5 V: 5 μA (Max.)
Viewing Angle (2θ1/2) Test IF = 20 mA: Typical Value 60°
Luminous Intensity (Iv) Test IF = 20 mA: 500 mcd (Min.) ~ 800 mcd (Max.)
Dominant Wavelength (λd) Test IF = 20 mA: 520 nm ~ 525 nm (Green reference)
Junction Temperature (Tj) Maximum 125°C at IF = 20 mA
Thermal Resistance (RJP) Typical Value 8°C/W at IF = 20 mA

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under strict standard atmospheric conditions to ensure measurement repeatability and accuracy.

  • Ambient Temperature: 5°C ~ 35°C
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)
  • Calibration Standard: Luminous intensity and dominant wavelength are calibrated in accordance with the CIE international standard of human eye response curve.
  • Measurement Tolerances: Tolerance of luminous intensity measurement is ±15%, and voltage measurement tolerance is ±0.1V.

Applications by Industry

Metal indicator lights utilize high-strength copper alloy or stainless steel metal shells, providing outstanding impact resistance and IP67 waterproof and dustproof protection. They are widely deployed across industrial and high-end commercial sectors.

While plastic indicator lights are prone to aging, cracking, and high-temperature deformation over prolonged use, metal indicator lights are engineered to withstand rigorous operating conditions, frequent manipulation, and high-reliability requirements. Typical industrial applications include:

1. Industrial Automation & Machinery Manufacturing

This sector represents the largest and most critical application domain. Production workshops often experience continuous mechanical vibration, oil contamination, and hard-object impacts.

  • CNC Machine Tools & Machining Centers: Control panels are fitted with red, green, and yellow metal indicators where green signifies normal operation, yellow denotes standby or warning, and red indicates emergency stop or equipment fault. The metal shell resists cutting fluids and metal debris.
  • Automation Production Line Control Cabinets: Large distribution cabinets and PLC control panels utilize 6mm and 8mm metal indicators compatible with AC220V and DC24V to display power circuit status.
  • Hydraulic & Pneumatic Equipment: Deployed for oil pump start/stop and pressure overload warnings. Because equipment vibration is severe, pre-wired integrated metal indicators secure internal LEDs and resistors firmly, avoiding wire breakage or loosening common in pin-terminal units.

2. Outdoor Power & New Energy Distribution Systems

Outdoor installations endure prolonged sunlight, rain, and extreme temperature fluctuations, demanding exceptional weather resistance and sealing performance.

  • EV Charging Stations: Outdoor DC and AC charging piles are equipped with flat-head metal status indicators. Blue or green flashing lights denote active charging, steady lights indicate completion, and red flashing signals ground faults. IP67 waterproofing and vandal resistance support high-frequency public usage.
  • Outdoor Distribution & Photovoltaic Combiner Boxes: Solar energy plants and municipal outdoor distribution boxes use indicators to display high-voltage closing and inverter operations across -40°C to 80°C environments.

3. Rail Transit, Engineering Vehicles & Marine Equipment

Vehicles and marine vessels experience heavy shocks and vibrations, while maritime environments present severe salt-spray corrosion challenges.

  • Engineering Vehicle Dashboards: Excavators, cranes, and bulldozers utilize dashboard indicators for oil pressure, water temperature, headlights, and braking faults under heavy dust and shock conditions.
  • Marine & Port Control Equipment: Ship cabin instruments and deck control boxes use electroplated stainless steel metal indicators to resist salt-spray corrosion, aided by silicone O-rings that prevent seawater ingress.

4. Commercial Self-Service & Public Anti-Vandal Facilities

Public equipment is vulnerable to impacts and tampering, where plastic lamps easily break.

  • Vending & Ticketing Machines: Paired with metal anti-vandal pushbuttons to indicate coin insertion, dispensing, and change status.
  • Gas Station Fuel Dispensers: Hazardous fuel zones require strict electrical isolation, which metal housings achieve effectively to enhance operational safety.
  • Residential Intercom Panels: Stainless steel access control panels feature red and green indicators to signify door lock status.

5. Medical Equipment & Food Processing Machinery

These industries require frequent high-pressure washing and sterilization, demanding strict waterproof and sanitary standards.

  • Food Filling & Packaging Equipment: Daily washdowns with high-pressure hot water and chemical detergents require IP67 metal indicators that resist chemical corrosion.
  • Medical Sterilization Equipment: High-temperature autoclaves use indicator lights to differentiate heating, sterilization, and exhaust cycles.

Application of FILN Indicator Lights in Industrial Environments

LED Indicator Color Meanings and Application Guide

Indicator light colors provide instant visual communication regarding equipment status on industrial control panels. Understanding standard color allocations ensures safe operation and rapid troubleshooting.

  • Red: Typically denotes emergency stop, fault conditions, hazard alerts, or abnormal system pressures. Common in safety shut-off switches.
  • Green: Indicates normal operation, system running state, safe conditions, or power-on confirmation.
  • Yellow / Amber: Represents caution, standby mode, pre-warning states, or abnormal temperature warnings requiring operator attention.
  • Blue: Frequently used for specific operational modes, neutral status confirmation, or auxiliary function activation.
  • White: Generally utilized for general power supply indication, normal lighting status, or neutral system feedback where red, green, or yellow are not applicable.

Note: Indicator-light color conventions can vary by equipment manufacturer, control-system design, industry standard, country, and application. FILN offers single-color, dual-color, and tri-color indicator configurations to accommodate complex status requirements.

Color Common Meaning Typical Status Typical Application Recommended Environment
Red Danger / Stop Emergency / Fault Emergency stop panels Industrial control consoles
Green Normal / Safe Running / Active Machine start status Standard workshop floors
Yellow Caution / Warning Standby / Pre-alert Overload monitoring Distribution enclosures
Blue Mandatory Action Auxiliary Mode EV charging indicators Outdoor charging piles
White Neutral / Power Power ON Main circuit panels Indoor electrical cabinets

Installation Guide

Proper installation ensures mechanical stability and maintains the IP67 waterproof integrity of FILN metal indicator lights.

  1. Required Tools: Prepare a drill or hole punch, Caliper, Spanner/Wrench matching the nut size, wire strippers, and electrical insulating tape or heat-shrink tubing.
  2. Mounting Preparation: Measure the mounting panel thickness to ensure it falls within the acceptable range for the specific indicator model.
  3. Mounting Hole Requirements: Drill a clean mounting hole matching the specified diameter (e.g., 8mm, 12mm, 16mm, 22mm) with no burrs or sharp edges that could damage the housing.
  4. Product Orientation: Ensure the waterproof silicone O-ring is correctly positioned on the front barrel of the indicator before inserting it through the panel hole.
  5. Installation Steps: Insert the indicator through the front of the panel. From the rear, slide on the stainless steel lock washer and thread the copper alloy hex nut onto the barrel.
  6. Securing the Unit: Tighten the hex nut securely using a spanner to compress the silicone O-ring against the panel, preventing rotation and liquid ingress. Do not over-torque.
  7. Wiring Preparation: Strip the wire insulation appropriately. If using pre-wired models, prepare the wire ends for connection.
  8. Electrical Connection: Connect the leads to the power source matching the rated voltage (AC or DC). Observe correct polarity if applicable.
  9. Waterproof Sealing Requirements: For outdoor installations, ensure wire connections are protected within junction boxes or sealed with heat-shrink tubing.
  10. Inspection After Installation: Verify mechanical rigidity, check that the indicator does not wobble, and test electrical functionality by energizing the circuit.

FILN Indicator Light Installation Step-by-Step Overview

Wiring Guide

Understanding proper wiring techniques is vital for safe and reliable indicator light operation.

Pin-terminal indicators require connection via crimp receptacles or direct soldering. Users must slide insulating tubing over soldered pin joints to prevent accidental short circuits against metal control panels.

Direct wire-lead indicators feature factory-attached PVC cables. These can be linked to the main circuit using quick-link connectors, soldered securely, or wrapped properly with electrical tape to ensure joint stability.

Safety Warning: Before performing any electrical wiring or maintenance, always cut off the main power supply and verify zero voltage to prevent electrical shock hazards.

Industry Knowledge Center

Industrial indicator lights serve as critical human-machine interface elements. Operating on low-power semiconductor technology, they provide high-visibility status updates while consuming minimal energy (typically ~0.2W).

Selecting robust metallic housings over standard plastics matters significantly in environments subject to ultraviolet degradation, chemical washdowns, and continuous mechanical vibration. Compliance with international standards such as ISO9001 and IP67 rating benchmarks ensures that components perform reliably across demanding industrial applications.

Maintenance involves periodic inspection of terminal connections and sealing gaskets. If a faint glowing phenomenon (phantom illumination) occurs in AC/DC low-voltage LED indicators due to leakage current from solid-state control outputs, adding a bleeder resistor in parallel can successfully resolve the issue.

Buyer Decision Guide & RFQ Checklist

Choosing the correct metal indicator light requires evaluating physical and electrical parameters against your specific operating environment.

Specification-to-Decision Framework

  • Mounting Hole: Determines physical panel compatibility. Confirm exact millimeter sizing (e.g., 8mm, 12mm, 16mm, 22mm) prior to cutting panels.
  • Voltage: Determines electrical compatibility. Verify whether your system operates on 12V, 24V, 110V, 220V, or 380V AC/DC.
  • IP Rating: Determines environmental suitability. Choose IP67 for outdoor or washdown areas, and IP65 for standard indoor cabinets.
  • Material Selection: FILN offers nickel-plated brass, stainless steel, and zinc-aluminum alloy shells.
    Material Advantages Disadvantages / Limitations
    Nickel-Plated Brass Cost-effective, good mechanical strength, easy to machine. Moderate corrosion resistance in harsh saline environments.
    Stainless Steel Superior corrosion resistance, high aesthetic appeal, extreme durability. Higher raw material and manufacturing cost.
    Zinc-Aluminum Alloy Lightweight, excellent die-casting flexibility, durable black-plated finishes. Less impact-resistant than solid stainless steel.

RFQ Checklist for Buyers

Providing these specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements efficiently:

  • Product Type & Model
  • Mounting Hole Size (mm)
  • Operating Voltage & AC/DC type
  • LED Color (Red, Green, Yellow, Blue, White, etc.)
  • Head Type (Flat, Round, Recessed)
  • Housing Material (Brass, Stainless Steel, Zinc Alloy)
  • Waterproof Requirement (IP65 / IP67)
  • Wiring Method (Pin terminals or wire leads with length)
  • Quantity & Packaging Requirements
  • Target Market & Certification Requirements

FILN Manufacturing and Engineering Capabilities

FILN maintains robust manufacturing and engineering capabilities designed to support global B2B buyers, original equipment manufacturers (OEMs), and automation system integrators.

  • R&D and Engineering Support: Dedicated professional engineers provide technical communication, custom circuit designs, and rapid prototyping solutions for specialized industrial applications.
  • OEM & ODM Customization: Comprehensive flexibility in custom wire harnesses, specialized shell finishes, tailored voltages, and customized laser marking.
  • Production & Assembly: Advanced automated production lines and skilled assembly teams ensure consistent quality across small-batch orders and large-scale mass production.
  • Testing & Quality Control: An independent testing laboratory executes rigorous electrical, dielectric, thermal, and waterproof ingress testing under strict ISO9001 quality management protocols.
  • Global Export & Certification Support: Certified products meeting international safety standards (UL, CE, RoHS, REACH, TUV, CB) exported reliably to over 100 countries worldwide.

FILN Manufacturing Facility and Corporate Overview

Factory Direct Supply

Factory Introduction: Yueqing Yulin Electronic Co., Ltd, brand name FILN, located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Our certified products (UL, CE, RoHS, REACH, TUV, CB) are widely used in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and other small electrical components, supporting a wide array of customized manufacturing solutions.

Quality System: Certified under ISO9001, CE, VDE, RoHS, SGS, UL, IP65, and TUV standards.

Export Markets: Global distribution across North America, Europe, Asia-Pacific, and international markets.

Manufacturing Advantages: Professional engineering support teams dedicated to solving custom application challenges and delivering reliable technical solutions.

Website Link: www.filn.com

Email Link: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

Find direct answers to common technical, installation, and procurement questions regarding FILN metal indicator lights.

Q1: How to prevent phantom illumination (faint glowing) in 12V LED indicators?

Phantom illumination can occur in low-voltage LED indicators when residual leakage current from solid-state PLC outputs or Triac switches passes through the circuit. This can be successfully resolved by installing a suitable bleeder resistor in parallel across the indicator terminals to drain off stray leakage current.

Q2: Can this IP67 indicator light be washed down with caustic chemicals?

Yes. FILN IP67 metal indicator lights constructed with stainless steel shells and silicone O-ring seals resist high-pressure water jets and standard industrial chemical washdowns commonly used in food processing and medical machinery.

Q3: What mounting hole sizes are available for FILN metal indicator lights?

FILN offers standard metal indicator lights in a wide range of mounting hole diameters, including 6mm, 8mm, 10mm, 12mm, 16mm, 19mm, 22mm, and 30mm to fit diverse industrial control panel designs.

Q4: Are custom wire lengths and connector types available for bulk orders?

Yes. FILN provides extensive OEM and ODM customization services, allowing buyers to specify exact wire lengths, wire gauges, specialized terminal connectors, and dual-color LED configurations.

Q5: What is the expected operational lifespan of the LED luminescent source?

The high-brightness LED semiconductor source utilized in FILN indicator lights is rated for a continuous operating lifespan between 50,000 and 100,000 hours under standard electrical parameters.

Q6: Do these indicator lights support both AC and DC power supplies?

Yes. FILN offers versatile voltage configurations spanning 3V to 480V in both AC and DC options, with built-in internal resistors matching the requested voltage specification.

Q7: What material is best for high-corrosion marine environments?

For marine, coastal, or high-salt environments, stainless steel housing is strongly recommended due to its exceptional resistance to chloride and chemical corrosion compared to standard nickel-plated brass.

Q8: How do I request custom samples before placing a bulk wholesale order?

You can directly contact FILN engineering and sales via email at inquiry@cnylin.com.cn or visit www.filn.com to discuss sample availability, technical specifications, and project requirements.

LED Flat Head Metal Pilot Lamp Indicator with Pre-Wired Leads 3-480V | FILN

Executive Summary

The FILN 19mm flat head metal pilot lamp indicator (Model: FL1M-19FW-1) is a heavy-duty, highly reliable industrial signaling device manufactured for professional electrical control systems, automation machinery, power distribution cabinets, and heavy equipment. Designed for B2B procurement managers, original equipment manufacturers, and system integrators seeking bulk wholesale supply, this robust industrial pilot lamp provides exceptional mechanical durability and environmental protection compared to standard plastic alternatives. It features a precision-machined metal housing, standard 19mm mounting hole integration, non-polar LED illumination, and convenient 2-pin pre-wired configurations spanning custom voltages from 3V to 480V AC/DC. Backed by comprehensive certifications including CE, VDE, RoHS, and ISO9001 quality standards, this indicator light delivers clear visual status feedback in demanding environments subject to vibration, moisture, and dust. Procurement teams, design engineers, and factory owners can request factory-direct quotations, custom wire harnesses, specialized laser markings, 3D CAD models, or engineering sample support directly from FILN engineering.

Product Drawing

19mm red led ip67 metal pilot indicator light with a wire

Key Takeaways

Essential product highlights, technical attributes, and procurement considerations for industrial buyers evaluating the FL1M-19FW-1 pilot lamp indicator.

  • Product Identity: Industrial-grade 19mm flat head metal pilot lamp indicator engineered for heavy-duty commercial and manufacturing installations.
  • Key Specification: Standard 19mm mounting diameter compatible with custom operating voltages ranging from 3V to 480V AC/DC.
  • Material Composition: Durable copper alloy or zinc-aluminum alloy shell paired with a high-strength PA66 lamp holder and protective PC lens.
  • Protection Rating: IP67 dustproof and waterproof rating achieved via precision O-ring sealing for harsh industrial environments.
  • Mounting & Assembly: Single-nut threaded panel installation ensuring secure mechanical locking against shock and continuous operational vibration.
  • Wiring Configuration: 2-pin pre-wired design with standard 20cm wire leads for rapid electrical connection and installation flexibility.
  • LED Characteristics: Built-in non-polar LED light source supporting Red, Green, Yellow, Blue, and White illumination options.
  • Industrial Applications: Widely deployed in CNC machining centers, power distribution cabinets, EV charging stations, marine control panels, and automation machinery.
  • Customization & OEM: Comprehensive factory-direct custom wire length, connector attachments, and voltage configurations supported for OEM buyers.
  • Certifications: Manufactured under strict ISO9001 quality management systems with CE, VDE, RoHS, and CCC compliance.
  • Procurement Support: Bulk wholesale availability with dedicated engineering support, 3D models, and comprehensive technical documentation for procurement professionals.

What is a Pilot Lamp Indicator?

A pilot lamp indicator is an essential visual signaling device installed on industrial control panels, electrical distribution enclosures, and automated machinery to communicate operational statuses, warnings, and system modes to operators. The primary function of an industrial pilot lamp indicator is to provide immediate, unambiguous visual confirmation of electrical circuit states such as power ON, standby, running, or fault conditions. Structurally, industrial indicators consist of an outer mounting shell, an internal LED luminescent assembly, current-limiting resistance components, and termination leads or pins. FILN provides an extensive range of indicator lights categorized into metal and plastic housings, spanning installation sizes from 6mm to 30mm, with terminal connection choices including pin terminals and direct wire leads. Metal pilot lamp indicators are offered in flat head, prominent head, and recessed head exterior variations to match specific functional and aesthetic requirements. Specifically, the 19mm flat head metal pilot lamp indicator delivers a streamlined profile that prevents accidental physical impact while maximizing optical visibility across industrial control environments.

FILN Metal Indicator Light structural overview and options

Product Overview

The FILN FL1M-19FW-1 pilot lamp indicator is engineered as a robust mechanical and electrical signaling component for professional B2B applications. Mechanically, it operates via a threaded cylindrical housing secured by a rear mounting nut, exerting clamping force against a silicone O-ring to form an impenetrable environmental seal. Electrically, the internal high-efficiency LED module operates in conjunction with an integrated carbon film resistor, converting electrical energy into stable optical output while managing forward current and voltage drops. The mechanical principle relies on precision metal lathe turning and compression assembly, ensuring zero internal component shift during high-vibration operation. Industrial advantages include superior impact resistance, excellent thermal dissipation, and corrosion-resistant metal finishes that outperform standard polymer indicators. Certified to rigorous international standards, this pilot lamp indicator integrates premium materials designed for continuous, long-term operation in demanding industrial sectors.

Explore our complete catalog of durable metal signaling solutions on the metal indicator light product page. For direct procurement and detailed purchasing specifications of this specific model, visit the 19mm metal indicator light product listing.

Quick Specifications

Key technical specifications and dimensional data for the FL1M-19FW-1 pilot lamp indicator.

Specification Parameter Technical Detail
Product Description Metal indicator light with wires
Indicator Model FL1M-19FW-1
Mounting Hole 19mm (0.748 inches)
Operating Voltage 3V – 480V AC/DC (Customizable)
LED Color Options Red (R) / Green (G) / Yellow (Y) / Blue (B) / White (W)
Waterproof Rating IP65 / IP67
Wiring Type 2-pin wire lead type with 20cm cable
Head Feature Flat head
Surface Quality Clean, smooth finish without burrs, oxidation, or micro-cracks.
Assembly Standard Head and base assemblies securely locked; zero rotation, detachment, skew, or deformation.

Performance Parameters

Detailed electrical, mechanical, and environmental performance metrics governing the operation of the FL1M-19FW-1 indicator.

Performance Parameter Technical Specification
Rated Working Voltage 3V – 480V DC/AC (Customizable per client requirement)
AC Frequency 50 ~ 60 Hz
Rated Working Current ≤20 mA
Rated Power Approx. 0.2W
Insulation Resistance ≥100 MΩ (Tested between conductor and shell at DC 500V)
Dielectric Strength 1500V ~ 1800V AC, withstanding zero breakdown or flashover.
Working Life 50,000 ~ 100,000 Hours
Ingress Protection IP67

Component Materials

Detailed material breakdown of the FL1M-19FW-1 pilot lamp indicator, explaining engineering material selection for industrial durability.

Accessory Name Material Engineering Purpose & Functionality
Shell Copper alloy / Zinc-aluminum alloy with black plating Provides mechanical rigidity, impact strength, and corrosion resistance.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability, electrical insulation, and flame retardancy.
Lampshade PC (Polycarbonate) Ensures high optical transmittance and resistance to UV yellowing and impact.
Luminescent Source High-brightness LED Delivers energy-efficient optical signaling with long operational lifespan.
Resistance Carbon film resistance Regulates current flow and voltage step-down for internal circuit stability.
Wireway PVC insulated wire Ensures flexible, insulated electrical transmission and secure wire leads.
Nut Copper alloy Provides secure thread engagement and robust mechanical panel clamping.
O-ring Silica gel (Silicone) Maintains elastic compression to guarantee IP67 waterproof sealing.
Plum Blossom Gasket Stainless steel Prevents loosening under vibration and distributes mounting tension evenly.

Environmental Performance

Environmental tolerance specifications applicable to the FL1M-19FW-1 metal pilot lamp indicator series across rigorous operating conditions.

Environmental Test Parameter Specification Standard
Application Range (应用范围) General operating range for metal indicator light series.
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤85% at +40℃
High Temperature Test 96 hours at 80±2℃
Low Temperature Test 96 hours at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total.

LED Technical Specifications

Comprehensive electrical and optical parameters governing the integrated LED luminescent source.

1. Absolute Maximum Ratings

Safety limits that must not be exceeded under operating conditions:

  • Peak Forward Current (IFP): 20 mA
  • Reverse Voltage (VR): 5 V
  • Power Dissipation (PD): 60 mW
  • Operating Temperature (TOPR): -40°C ~ +80°C
  • Storage Temperature (TSTG): -40°C ~ +100°C
  • Lead Soldering Temperature (TSOL): Max. 260°C for 3 sec Max.

2. Electro-Optical Characteristics

Tested under ambient temperature Ta = 25℃:

Parameter Test Condition Value Range / Typical
Forward Voltage (VF) IF = 20mA 2.8V (Min.) ~ 3.2V (Max.)
Reverse Current (IR) VR = 5V 5 μA (Max.)
Viewing Angle (2θ₁/₂) IF = 20mA 60° (Typical)
Luminous Intensity IF = 20mA 500 mcd (Min.) ~ 800 mcd (Max.)
Recommended Working Current (IF) — 20 mA (Typical)
Dominant Wavelength (Color) IF = 20mA 520 nm ~ 525 nm (for Green variant)
Junction Temperature (Tj) IF = 20mA 125℃ (Max.)
Thermal Resistance (RJP) IF = 20mA 8 ℃/W (Typical)

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under standard atmospheric conditions:

  • Ambient Temperature: 5℃ ~ 35℃
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Notes: Luminous intensity and dominant wavelength are calibrated in accordance with the CIE international standard of human eye response curve. Measurement tolerances: luminous intensity ±15%, voltage measurement ±0.1V.

Applications by Industry

Metal pilot lamp indicators utilize high-strength copper alloy or stainless steel metal shells, offering outstanding impact resistance and IP67 dustproof and waterproof ratings for industrial and high-end commercial deployment. While plastic indicators age, crack, and deform under high temperatures over time, metal indicator lights adapt seamlessly to harsh working conditions, frequent operation, and high-reliability environments.

1. Industrial Automation and Machinery Manufacturing

This sector represents the largest and most critical application domain for metal pilot lamps, operating in workshops characterized by continuous mechanical vibration, oil contamination, and physical impact.

  • CNC Machine Tools & Machining Centers: Control panels feature red, yellow, and green metal pilot lamps where green signifies normal operation, yellow denotes standby/warning, and red indicates emergency stop or system fault. Metal housings resist cutting fluids and metallic debris corrosion.
  • Automation Production Line Control Cabinets: Large power distribution and PLC control cabinets integrate 16mm and 19mm metal indicator lights compatible with AC220V and DC24V power supplies to display power circuit statuses clearly.
  • Hydraulic & Pneumatic Equipment: Deployed for oil pump start/stop and pressure overload warnings. Under high-vibration amplitudes, integrated pre-wired metal indicators secure internal LED and resistor components firmly against wire breakage or loosening compared to pin-type fixtures.

2. Outdoor Power and Renewable Energy Distribution Systems

Outdoor equipment subjected to intense sunlight, precipitation, and extreme temperature differentials demands rigorous weather resistance.

  • Electric Vehicle Charging Stations: Outdoor DC and AC charging piles are equipped with flat head metal status indicator lights. Flashing blue or green indicates charging in progress, steady illumination signifies completion, and flashing red alerts to ground faults. IP67 waterproof and vandalism-resistant construction withstands public high-frequency use.
  • Outdoor Distribution Boxes & PV Combiner Boxes: Photovoltaic power stations and municipal outdoor distribution boxes utilize indicators to display high-voltage closing and inverter running states, operating reliably across -40℃ to 80℃ thermal extremes.

3. Rail Transit, Commercial Vehicles, and Marine Equipment

Vehicles and vessels experience severe jolting and vibration alongside high salinity maritime corrosive environments.

  • Commercial Vehicle Control Consoles: Excavators, cranes, and bulldozers utilize instrument dashboard indicators for oil pressure, coolant temperature, headlights, and braking fault alerts, withstanding dust and heavy mechanical shock.
  • Marine & Port Control Equipment: Ship cabin instruments and deck control boxes employ electroplated stainless steel metal indicators to resist saltwater corrosion, assisted by silicone sealing rings preventing seawater ingress.

4. Commercial Vending Devices and Public Security Infrastructure

Public equipment is prone to physical impact and vandalism, making plastic fixtures highly vulnerable to fracture.

  • Vending & Ticketing Kiosks: Paired with vandal-resistant metal pushbuttons to indicate coin insertion, dispensing, and change statuses.
  • Gas Station Dispenser Panels: Hazardous explosive atmospheres require electrical isolation, which metal indicator shells achieve effectively to enhance operational safety.
  • Residential Access Control & Intercoms: Stainless steel access panels feature red and green indicator lamps to distinguish door lock open/closed states.

5. Medical Equipment and Food Processing Machinery

Industries requiring frequent washdowns and chemical disinfection demand stringent cleanliness and moisture resistance.

  • Food Filling & Packaging Machinery: Subjected daily to high-pressure hot water and chemical washdowns. IP67 metal indicator lights withstand water spray jets without internal component degradation.
  • Medical Sterilization Equipment & Test Benches: High-temperature and pressure sterilization units use indicator lamps to differentiate heating, sterilization, and exhaust phases.
Application scenarios of FILN metal indicator lights in industrial environments

LED Indicator Color Meanings and Application Guide

Standardized optical color selection is critical for intuitive operator response in industrial control systems. FILN offers single-color, dual-color, and tri-color indicator configurations.

Color Breakdown

  • Red: Commonly signifies danger, emergency stop, fault condition, or abnormal pressure. Typical use: Emergency shutdown systems, over-temperature alarms.
  • Green: Signifies normal operation, safe status, system running, or power ON confirmation. Typical use: Main power active, motor running.
  • Yellow / Amber: Indicates caution, standby mode, warning state, or pre-operational checks. Typical use: Machine warming up, low fuel warning.
  • Blue: Indicates mandatory action, specific machine state, or auxiliary power confirmation. Typical use: EV charging in progress, cooling cycle active.
  • White: Serves as a neutral status indicator, general illumination confirmation, or system power active indicator. Typical use: Control cabinet main power supply.
Color Common Meaning Typical Status Typical Application Recommended Environment
Red Danger / Stop Fault / E-Stop Emergency Shutdown Industrial Control Panels
Green Safe / Normal Running Active Power ON Indication Machinery Dashboards
Yellow Caution / Standby Warning / Idle Temperature Warning Automation Enclosures
Blue Action / Status Processing EV Charging Stations Outdoor Equipment
White Neutral / Power Supply Active Main Busbar Status Electrical Switchboards

Note: Indicator light color conventions can vary by equipment manufacturer, control system design, industry standard, and regional requirements. Confirm specifications prior to final assembly.

Installation Guide

Follow these technical instructions for proper mechanical mounting of the 19mm metal pilot lamp indicator.

  1. Panel Preparation: Drill or punch a precise 19mm circular mounting hole into the control panel surface, ensuring the edges are deburred and clean.
  2. Gasket Placement: Slide the silicone waterproof O-ring onto the indicator body to ensure environmental sealing against the panel face.
  3. Insertion: Insert the metal indicator light assembly through the front of the panel opening.
  4. Rear Securing: Thread the metal locking nut onto the rear housing barrel and tighten securely against the panel backside, incorporating the stainless steel plum blossom gasket to prevent vibrational loosening.
  5. Electrical Connection: Connect the 20cm pre-wired leads to the control circuit using appropriate terminal blocks or insulated connectors.
Installation guide for FILN metal indicator lights on industrial panels

Wiring Guide

Understanding proper electrical termination methods ensures long-term operational stability and safety in industrial control panels.

Pin Type vs. Wire Lead Type

Pin-type indicators feature exposed solder lugs or blade terminals requiring individual wire soldering or insulated receptacle slip-on connectors. Conversely, direct pre-wired indicator types (such as the FL1M-19FW-1 featuring 20cm attached leads) eliminate internal terminal strain and accelerate installation.

Wiring Best Practices

Directly wired indicator leads can be connected securely using quick-link terminal blocks, soldered joints enclosed in heat-shrink tubing, or professional electrical tape wrapping to guarantee connection stability. The integrated non-polar LED design allows flexible DC/AC connection without strict polarity matching. Important Safety Warning: Always disconnect main power sources and verify zero voltage using calibrated multimeters before performing any electrical wiring.

Pin vs. Wire Terminal Comparison

Connection Type Advantages Typical Application
Pin Terminal (e.g., FL1M-16FJ-1) Modular disconnection, easy harness replacement. Serviceable control boxes, plug-and-play modules.
Pre-Wired Lead (e.g., FL1M-19FW-1) Superior vibration resistance, built-in moisture protection. High-vibration machinery, outdoor panels.

Recommended alternative pin-type model: Explore the 16mm pin-type flat head indicator FL1M-16FJ-1.

Industry Knowledge Center

Technical reference guides and engineering principles for selecting and maintaining industrial indicator lamps.

How LED Indicator Technology Operates

Solid-state LED indicator lights utilize semiconductor diodes that emit incoherent narrow-spectrum light when forward-biased. Unlike traditional incandescent pilot lamps prone to filament rupture under mechanical shock, LEDs offer solid-state vibration resistance, lower power consumption (approx. 0.2W), and exceptional operational lifespans exceeding 50,000 hours.

Maintenance and Troubleshooting Guide

If an indicator lamp fails to illuminate, first verify input voltage across the wire leads using a multimeter. Ensure that control circuit leakage currents do not cause phantom illumination (faint glowing). For outdoor installations, inspect the silicone O-ring seal periodically to maintain IP67 moisture protection integrity.

Buyer Decision Guide & RFQ Checklist

Selecting the correct metal pilot lamp indicator involves evaluating physical dimensions, electrical ratings, and environmental exposure requirements.

Specification-to-Decision Framework

  • Mounting Hole (19mm): Determines physical panel compatibility. Ensure panel punch dimensions match the required cutout.
  • Voltage (3V–480V): Determines electrical compatibility. Select matching AC/DC voltage ratings to prevent under-illumination or component burnout.
  • IP Rating (IP67): Determines environmental suitability against dust and water immersion.
  • Material Selection: FILN offers nickel-plated brass, stainless steel, and zinc-aluminum alloy options suited for varying corrosion and structural requirements.
Material Option Advantages Limitations Recommended Environment
Nickel-Plated Brass Cost-effective, robust mechanical strength. Moderate corrosion resistance in saline conditions. Standard industrial machinery, indoor panels.
Stainless Steel Superior corrosion and chemical resistance. Higher raw material cost. Marine, medical, food processing equipment.
Zinc-Aluminum Alloy Lightweight, excellent die-casting finish. Lower tensile strength than stainless steel. Commercial appliances, control boxes.

RFQ Checklist for Procurement Managers

Providing these specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements efficiently:

  • Product Type & Model (FL1M-19FW-1)
  • Mounting Hole Size (19mm)
  • Operating Voltage & Type (AC/DC specification)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Wiring Method & Wire Length (Standard 20cm or custom)
  • Waterproof Requirement (IP67)
  • Quantity & Target Delivery Date

Recommended Similar Products (Alternative Sizes)

FILN Manufacturing and Engineering Capabilities

FILN provides comprehensive OEM and ODM manufacturing capabilities, supporting electrical engineers and B2B procurement managers with custom design, rapid prototyping, and rigorous quality control. Backed by dedicated R&D engineering teams, in-house electrical testing laboratories, and flexible small-batch or mass-production capacities, FILN ensures reliable component supply for global industrial markets.

FILN manufacturing facility and engineering overview

Factory Direct Supply

Factory Introduction: Yueqing Yulin Electronic Co., Ltd, brand name FILN, located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Our certified products (UL, CE, RoHS, REACH, TUV, CB) are widely used in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and other small electrical components with complete custom manufacturing support.

Quality System: Certified under ISO9001, CE, VDE, RoHS, SGS, UL, IP65/IP67, and TUV standards.

Export Markets: Global distribution across North America, Europe, Asia, and Oceania.

Manufacturing Advantages: Professional engineers providing tailored technical solutions to resolve complex application challenges.

Official Website: www.filn.com

Direct Inquiry Email: inquiry@cnylin.com.cn

FILN electronic components manufacturing workshop and production lines

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12v LED indicators?

Phantom illumination occurs when residual leakage current from solid-state PLC outputs or long cable capacitance charges the LED circuit. This can be resolved by installing a suitably rated bleeder resistor in parallel across the indicator input terminals to shunt leakage current safely away from the LED diode.

2. Can this IP67 indicator light be washed down with caustic chemicals?

Yes, the stainless steel and copper alloy shell options combined with the silicone O-ring seal provide robust resistance against standard industrial washdown cleaning agents. However, highly concentrated acidic or caustic chemicals should be tested for compatibility with the specific metal plating finish before routine exposure.

3. What is the standard wire length for the FL1M-19FW-1 pilot lamp indicator?

The standard pre-wired lead length supplied with the indicator is 20cm. FILN also supports customized wire lengths, specialized gauge sizes, and pre-attached connector terminals upon request for bulk OEM orders.

4. Are FILN metal pilot lamp indicators polarity-sensitive?

No, standard DC/AC LED indicators manufactured by FILN utilize non-polar internal bridge rectification circuitry for DC versions or bi-directional configurations, allowing connection without strict regard to positive and negative polarity.

5. What panel thickness is compatible with the 19mm mounting design?

The threaded barrel and mounting nut assembly accommodate standard control panel thicknesses ranging from 1mm up to 6mm. Custom extended thread lengths are available upon request for thicker enclosure walls.

6. What certifications do FILN metal indicator lights carry?

FILN indicator lamps comply with major international quality and safety standards, holding CE, VDE, RoHS, ISO9001, and CCC certifications depending on the specific model configuration.

7. How do I request custom laser engraving on the indicator head?

OEM buyers can request custom symbols, voltage markings, or company logos laser-etched onto the metal indicator head by contacting the FILN engineering team with vector artwork during the RFQ process.

8. What is the minimum order quantity for custom voltage pilot lamps?

While FILN maintains standard stock for common voltages (e.g., 12V, 24V, 220V), custom voltage production runs (such as 380V or 480V) are accommodated with flexible minimum order quantities. Contact inquiry@cnylin.com.cn for specific batch details.

9. How does metal housing compare to plastic in high-temperature environments?

Metal housings (copper alloy or stainless steel) maintain structural rigidity and prevent thermal deformation under continuous high-temperature operating conditions up to 80℃, whereas standard plastics can experience embrittlement and softening over time.

10. How can I obtain 3D CAD models for control panel layout design?

Electrical engineers and system integrators can request step files and 2D dimensional drawings by emailing our technical sales team at inquiry@cnylin.com.cn or visiting www.filn.com.


120V Indicator Lamp LED Prominent Head Metal Panel Mount Lamp AC/DC | FILN

Summary: 120v indicator lamp Overview

The 120v indicator lamp model FL1M-19SW-1 is a heavy-duty industrial signal lamp engineered by FILN, a direct manufacturer specializing in electrical components. Designed for electrical engineers, panel builders, and OEM equipment manufacturers, this 19mm panel-mount device solves status indication challenges in high-vibration and harsh environments. It features a robust metal alloy shell, pre-wired 2-pin leads with a prominent head design for wide-angle visibility, and an IP65 waterproof rating when installed with the provided silicone gasket and M19 nut. Operating efficiently across voltages from 3V to 480V, this versatile 120v indicator lamp is widely integrated into CNC machinery, electrical distribution cabinets, renewable energy systems, and automotive control panels. FILN provides comprehensive OEM and ODM support, bulk wholesale options, and custom manufacturing capabilities to meet exact technical specifications. Buyers should confirm mounting hole dimensions, operating voltage, wire lead length, and color requirements (Red, Green, Yellow, Blue, White) before placing bulk orders.

19mm led metal Flameproof indicating light

Key Takeaways & Buyer Decision Guide


  • Product Identity: The FL1M-19SW-1 is a professional-grade 19mm prominent head metal indicator lamp manufactured by FILN.
  • Key Specification: Designed for standard 19mm panel cutouts with wide voltage adaptability ranging from 3V to 480V AC/DC.
  • Material Composition: Constructed with a durable copper alloy or black-plated zinc-aluminum shell and an impact-resistant PC prominent lens.
  • Protection Rating: Delivers IP65 waterproof and dustproof performance when paired with the included silicone O-ring.
  • Mounting & Installation: Single-nut thread mounting allows secure panel fastening with high-visibility protrusion.
  • Wiring Configuration: Equipped with 2-pin pre-wired leads utilizing polarity-free LED chips for simplified electrical connection.
  • Target Applications: Ideal for industrial control cabinets, automation machinery, EV charging stations, and marine dashboards.
  • Customization Support: FILN provides custom wire lengths, specialized voltages, and custom laser marking for OEM clients.
  • Global Certifications: Manufactured under ISO9001 quality systems with CE, VDE, RoHS, CCC, and UL compliance.
  • Procurement Considerations: Bulk wholesale options and direct factory technical support are available for industrial purchasers.

What Is a 120v indicator lamp?


A 120v indicator lamp is a panel-mounted electronic signaling device used to visually display equipment operating status, power supply conditions, or warning alerts within industrial control systems. Indicator lights are generally classified into metal indicator lights and plastic indicator lights, spanning mounting dimensions from 6mm to 30mm. Regarding electrical termination, they are available in pin-terminal variants and direct pre-wired configurations. Metal indicator lights typically offer prominent head, flat head, and recessed head exterior profiles, enabling engineers to select the optimal design based on mechanical protection and visual requirements.

As a specialized manufacturer, FILN offers robust 19mm solutions like the 120v indicator lamp to replace fragile plastic components in demanding industrial environments. The metal housing ensures superior mechanical strength, corrosion resistance, and long-term operational reliability across commercial and industrial machinery.

FILN Metal Indicator Light Varieties and Options

Product Overview & Engineering Principles


The FILN 120v indicator lamp operates on advanced solid-state semiconductor principles, converting electrical energy into clear, uniform optical illumination. Internally, a high-brightness LED chip is paired with a precision carbon film resistor to regulate voltage and current parameters, ensuring stable performance when connected to 120V AC or DC circuits.

Mechanically, the assembly utilizes a threaded metal barrel secured by an M19 locking nut and a high-grade silicone O-ring. This design creates a tight compression seal against control panels, preventing moisture, dust, and cutting fluids from breaching sensitive electrical enclosures. The integrated wire leads eliminate internal soldering failures often caused by heavy machine vibration, making this 120v indicator lamp an optimal choice for industrial automation and heavy-duty equipment panels.

Quick Technical Specifications


Technical Parameter Specification Details
Product Description Metal indicator light with wires
Indicator Light Model FL1M-19SW-1
Mounting Hole Size 19 mm (approx. 0.75 inches)
Voltage 3V – 480V AC/DC (Customizable; optimized for 120v indicator lamp applications)
LED Color Red, Green, Yellow, Blue, White (R/G/Y/B/W)
Waterproof Rating IP65 compliant
Wiring Type 2PIN tail wire lead
Head Type Prominent head
Surface Quality The surface shall be smooth and flat without burrs, oxidation, cracks, or visible defects.
Assembly Requirements The head assembly and base assembly shall be properly fitted in place, ensuring no rotation, detachment, tilt, or deformation.

Performance Parameters & Electrical Ratings


Performance Parameter Rated Value & Technical Limits
Rated Operating Voltage 3V–480V DC/AC (Custom configurations available upon request)
AC Frequency 50 / 60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength / Voltage Proof 1500V–1800V AC, no breakdown or flashover
Operating Life 50,000 to 100,000 hours (50,000 h – 100,000 h)
Ingress Protection Rating IP65

Component Materials & Engineering Selection


Every material utilized in the construction of the FILN 120v indicator lamp is selected to guarantee structural integrity, environmental resistance, and electrical safety in industrial deployments.

Component Part Name Material Specification Engineering Purpose
Shell Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical rigidity, impact resistance, and grounding continuity.
Lamp Holder PA66 Offers high thermal stability and electrical insulation properties.
Lampshade / Lens PC Ensures high light transmittance, shatter resistance, and UV stability.
Luminescent Source High-brightness LED Delivers energy-efficient, long-lasting visual signaling.
Resistor Carbon film resistor Regulates voltage flow for stable operation across 120V systems.
Wire / Lead Wire PVC Provides flexible, secure electrical connection with oil resistance.
Nut Copper alloy Secures the indicator firmly onto control panels under vibration.
O-Ring Silicone / Silica gel Creates an impermeable barrier against water, dust, and debris.
Lock Washer / Plum Blossom Gasket Stainless steel Prevents loosening caused by mechanical shock or thermal expansion.

Environmental Performance & Testing Standards


The following environmental test parameters govern the operational robustness of the FL1M-19SW-1 series metal indicator lamp across extreme working conditions:

Environmental Test Type Testing Conditions & Parameters
Application This specification is the general use range of Indicator Light series Metal indicator light.
Part Name Metal indicator light
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours at 80 ± 2°C
Low Temperature Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Chip Technical Specifications


1. Absolute Maximum Ratings (Maximum safe operational limits for the LED chip, beyond which permanent damage may occur):

  • Forward Current ($I_{FP}$): 20 mA
  • Reverse Voltage ($V_R$): 5 V
  • Power Dissipation ($P_D$): 60 mW
  • Operating Temperature Range ($T_{OPR}$): -40°C to +80°C
  • Storage Temperature Range ($T_{STG}$): -40°C to +100°C
  • Lead-Free Soldering Temperature ($T_{SOL}$): 260°C Max. for 3 sec. Max.

2. Electro-Optical Characteristics (Test parameters measured at ambient temperature $T_a = 25^\circ\text{C}$):

Parameter Test Condition Specification Limit / Typical Value
Forward Voltage ($V_F$) $I_F = 20\text{ mA}$ 2.8 V (Min.) – 3.2 V (Max.)
Reverse Current ($I_R$) $V_R = 5\text{ V}$ 5 µA (Max.)
Viewing Angle ($2\theta_{1/2}$) $I_F = 20\text{ mA}$ 60° (Typical)
Luminous Intensity ($I_v$) $I_F = 20\text{ mA}$ 500 mcd (Min.) – 800 mcd (Max.)
Recommended Operating Current ($I_F$) — 20 mA (Typical)
Dominant Wavelength ($\lambda_d$) $I_F = 20\text{ mA}$ 520 nm – 525 nm
Junction Temperature ($T_j$) $I_F = 20\text{ mA}$ 125°C (Max.)
Thermal Resistance ($R_{j-p}$) $I_F = 20\text{ mA}$ 8°C/W (Typical)

Standard Test Conditions


Unless otherwise specified, all electrical and optical parameters for the 120v indicator lamp are measured under controlled standard atmospheric conditions:

  • Ambient Temperature: 5°C ~ 35°C
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 Kpa (860 ~ 1060 mbar)

Notes: Luminous intensity and dominant wavelength are calibrated in accordance with the CIE international standard of human eye response curve. Tolerance of luminous intensity measurement: ±15%, tolerance of voltage measurement: ±0.1V.

Applications by Industry


Metal indicator lights utilize high-strength copper alloy or stainless steel metal housings, featuring outstanding impact resistance and IP67 waterproof/dustproof protection ratings, making them widely applied across industrial and premium commercial fields. While plastic indicator lights are prone to aging, cracking, and high-temperature deformation under long-term use, metal indicator lights adapt seamlessly to harsh working conditions, frequent operations, and high-reliability requirements. Below is an industry-by-industry breakdown of typical application scenarios:

1. Industrial Automation & Mechanical Manufacturing

This sector represents the core application field with the highest usage volume for metal indicator lights, characterized by continuous mechanical vibration, oil contamination, and hard-object impacts.

  • CNC Machine Tools & Machining Centers: Control panels are installed with red, yellow, and green metal indicator lamps where green indicates normal operation, yellow signifies standby/pre-warning, and red denotes emergency stop or equipment faults. The metal shell effectively resists cutting fluids and metallic debris erosion.
  • Automation Production Line Control Cabinets: Large distribution cabinets and PLC control enclosures incorporate 6mm and 8mm metal indicator lamps compatible with AC220V and DC24V power supplies to directly display power status across channels.
  • Hydraulic & Pneumatic Equipment: Applied for oil pump start/stop and pressure over-limit alerts. Because equipment experiences severe vibration, integrated pre-wired metal indicator lamps feature securely fixed internal LEDs and resistors that resist wire breakage or loosening compared to pin-terminal variants.

2. Outdoor Power & New Energy Distribution Systems

Outdoor equipment is constantly exposed to weather elements and wide temperature swings, demanding stringent weatherability and temperature resistance.

  • New Energy Charging Piles: Outdoor DC and AC charging stations are equipped with prominent metal status indicator lamps. Blue or green flashing lights indicate active charging, continuous glowing represents full charge, and flashing red alerts to ground faults or leakage. IP67 waterproof and vandal-resistant properties suit high-frequency public deployment.
  • Outdoor Distribution Boxes & Solar Combiner Boxes: Photovoltaic stations and municipal outdoor distribution boxes utilize indicators to display high-voltage closing and inverter operating status across working temperature ranges from -40°C to 80°C.

3. Rail Transit, Engineering Vehicles & Marine Equipment

Vehicles and vessels encounter heavy shock and vibration during operation, while maritime environments present severe salt fog corrosion risks.

  • Engineering Vehicle Cockpits: Instrument panels on excavators, cranes, and bulldozers utilize indicators for oil pressure, water temperature, headlight, and braking fault warnings, adapting perfectly to dusty and severe vibration environments.
  • Marine & Port Control Equipment: Ship cabin instruments and deck control boxes employ electroplated stainless steel metal indicator lamps to resist salt fog corrosion, supplemented by silicone sealing rings preventing seawater ingress.

4. Commercial Self-Service Devices & Public Anti-Vandal Facilities

Equipment in public spaces is susceptible to physical impacts and vandalism, where standard plastic fixtures break easily.

  • Vending & Ticketing Machines: Paired with metal anti-vandal pushbuttons to indicate coin insertion, dispensing, and change-return status.
  • Gas Station Dispenser Panels: Hazardous fuel zones require explosion-safety considerations; metal lamp shells provide reliable electrical isolation and safety enhancement.
  • Outdoor Access Control & Intercoms: Stainless steel intercom faceplates incorporate red and green indicator lamps to differentiate locked and unlocked door states.

5. Medical Equipment & Food Processing Machinery

These industries require frequent chemical washdowns and disinfection, demanding high waterproof and hygienic standards.

  • Food Bottling & Packaging Equipment: Subjected to daily high-pressure hot water and chemical detergent washdowns; IP67 metal indicator lamps resist spray jets, protecting internal components from corrosion and contamination.
  • Medical Sterilizers & Laboratory Benches: High-pressure sterilizing autoclaves utilize indicator lamps to differentiate heating, sterilizing, and exhaust operational cycles.

Application Summary: Standard plastic indicator lights yellow and become brittle under prolonged outdoor UV exposure, while workshop oils corrode plastic housings and continuous vibration loosens terminal pins. Metal indicator lamps utilize copper alloy housings, silicone waterproof O-rings, and tail pre-wired lead structures to resolve these issues, serving as the preferred high-reliability component for industrial equipment.

Application Scenarios of FILN Indicator Lights in Industrial Machinery

LED Indicator Color Meanings and Application Guide


Indicator color selection is critical for operator safety and ergonomic efficiency in control panel design. Color conventions may vary depending on equipment manufacturer specifications, industry standards, and regional regulations. FILN supplies single-color, dual-color, and tri-color configurations to match specific system requirements.

1. Red: Commonly signifies danger, emergency, or stop conditions. Typical status includes faults, emergency stop engaged, or over-pressure alerts. Recommended for alarm panels, trip warnings, and stop pushbuttons.

2. Green: Commonly signifies normal, safe, or operating conditions. Typical status includes main power ON and normal cycle running. Recommended for main power status and running indicators.

3. Yellow / Amber: Commonly signifies caution, warning, or standby modes. Typical status includes standby operation or approaching thermal thresholds. Recommended for pre-heating stages and pause states.

4. Blue: Commonly signifies mandatory action or informational feedback. Typical status includes active charging or cooling systems running. Recommended for EV chargers and pneumatic control modes.

5. White: Commonly signifies neutral or general operational status. Typical status includes control voltage active or cabinet doors open. Recommended for general illumination feedback and auxiliary power.

Color Common meaning Typical status Typical application Recommended environment Important notes
Red Danger / Emergency Fault / Stop Alarm panels Industrial machinery Verify standard compliance
Green Normal / Safe Power ON Running status Control cabinets High visibility lens
Yellow Caution / Warning Standby Pre-heat stage Automation lines Amber variants available
Blue Mandatory action Charging active EV chargers Outdoor equipment Distinct optical wavelength
White Neutral status Voltage active Auxiliary power Electrical enclosures Clear illumination feedback

Installation Guide


Proper mechanical mounting ensures that the 120v indicator lamp maintains its IP65 waterproof rating and secure panel fit. Follow these sequential steps for installation:

  1. Prepare Mounting Hole: Drill or punch a precise 19mm circular mounting hole in the equipment control panel. Ensure burrs and metal shavings are thoroughly cleaned from the edges.
  2. Position Waterproof Gasket: Slide the provided silicone waterproof O-ring onto the threaded barrel of the indicator light from the rear of the mounting flange.
  3. Insert Indicator Light: Insert the indicator light assembly from the front side of the control panel through the 19mm aperture.
  4. Secure Locking Nut: Thread the M19 metal locking nut onto the barrel from the rear side of the panel. Tighten securely using a standard socket or wrench to compress the silicone gasket against the panel surface.
  5. Connect Wiring: Connect the tail wire leads to the 120V circuit following standard electrical safety protocols.
Step-by-step installation process for FILN panel mount indicator lights

Wiring Guide & Connection Methods


Pin-terminal indicator lights require soldering or specialized female spade connectors attached directly to terminal pins. In contrast, pre-wired indicator lights feature integrated tail wire leads. Directly pre-wired indicator leads can be connected to the circuit using quick-connection wire terminals, soldered securely, or wrapped with electrical tape to ensure connection stability.

Note: Always cut off power and ensure electrical safety before performing any wiring operations.

Industry Knowledge Center


Selecting high-reliability signaling components prevents unexpected control panel downtime. Industrial indicator lights bridge communication between complex PLC logic and human operators. When specifying a 120v indicator lamp, engineers must evaluate electrical transient protection, ambient operating temperatures, and ingress protection requirements. Proper maintenance involves periodic inspection of terminal connections and cleaning exterior lenses to maintain clear visibility in dusty industrial settings.

Buyer Decision Guide & RFQ Checklist


FILN provides multiple metal shell options to suit distinct operating environments. The following comparison outlines housing material characteristics:

Shell Material Advantages Limitations Recommended Environment
Nickel-Plated Brass Cost-effective, robust mechanical strength, good conductivity Susceptible to corrosion in heavy saline environments General industrial machinery, indoor control cabinets
Stainless Steel Superior corrosion resistance, high aesthetic finish Higher raw material cost Food processing, marine equipment, medical devices
Black-Plated Zinc-Aluminum Matte black finish, lightweight, durable Coating can scratch under extreme physical abuse Automotive dashboards, premium audio gear

RFQ Checklist for Procurement Managers

Providing these specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements more efficiently:

  • Product Type & Model (e.g., FL1M-19SW-1)
  • Mounting Hole Size (e.g., 19mm)
  • Operating Voltage & Frequency (e.g., 120V AC/DC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type (Prominent)
  • Housing Material (Brass nickel-plated, Stainless steel, Zinc alloy)
  • Waterproof Requirement (IP65)
  • Wiring Method & Lead Length (2PIN tail wire)
  • Target Market & Certifications Required (CE, RoHS, UL)
  • Order Quantity & Packaging Requirements

FILN Manufacturing & Engineering Capabilities


FILN operates as an established manufacturer with robust R&D, custom tooling, and automated production capabilities. For B2B buyers and OEM clients, FILN provides tailored engineering support, custom wire harnesses, specialized operating voltages, and rigorous quality control testing. Every production batch undergoes strict electrical and waterproof verification before global export.

FILN Manufacturing Facility and Corporate Overview

Factory Direct Supply & Global Export


Yueqing Yulin Electronic Co., Ltd, brand name FILN located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating R&D, production, and sales. Its premium FILN brand products are sold in over 100 countries. FILN operates a modern 10,000 m² facility with 20+ advanced production lines and an independent testing lab. Driven by scientific processes and the ISO9001 quality system, FILN ensures industry-leading innovation and electrical performance. Our certified products (UL, CE, RoHS, REACH, TUV, CB) are widely used in kitchen appliances, energy storage, EV charging, automotive, marine, and security systems.

Production capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and other small electrical components with full custom production capabilities.

Quality system: Certified under ISO9001, CE, VDE, RoHS, SGS, UL, IP65, and TUV standards.

Export markets: Global distribution.

Manufacturing advantages: Professional engineers available for direct technical liaison, specialized in custom solution troubleshooting.

Website link: www.filn.com | Email link: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop and Production Lines

Frequently Asked Questions


How to prevent phantom illumination (faint glowing) in 12v LED indicators?

Phantom illumination or faint glowing can occur due to induced AC voltages or residual leakage current from solid-state PLC outputs. Adding an appropriate bleed resistor or parallel RC snubber circuit across the indicator terminals drains stray leakage current and eliminates ghosting.

Can this IP67 indicator light be washed down with caustic chemicals?

Yes, when properly installed with its silicone O-ring, the stainless steel or nickel-plated brass variants feature IP65/IP67 protection, making them resistant to routine industrial washdowns. However, prolonged exposure to extreme caustic chemicals should be evaluated with FILN engineering.

What is the difference between pin-terminal and pre-wired metal indicator lights?

Pin-terminal indicators require soldering or female spade connectors attached directly to exposed pins. Pre-wired indicators come equipped with integrated wire leads, saving installation time and protecting internal connections from vibration and moisture.

Does the 120v indicator lamp require a separate external resistor?

No. FILN builds internal current-limiting carbon film resistors directly into the indicator assembly, allowing direct connection to 120V AC or DC power sources without external components.

Are FILN metal indicator lights polarity sensitive?

No. The internal LED assemblies utilize polarity-free rectifier circuits, allowing direct connection to both AC and DC power sources without concern for positive and negative wire orientation.

What panel thickness is supported by the 19mm mounting hardware?

The standard M19 threaded mounting barrel accommodates control panel thicknesses ranging from 1mm up to 6mm, secured tightly with the included metal locking nut and silicone gasket.

Can FILN customize wire lengths for OEM orders?

Yes. As a direct manufacturer, FILN offers flexible custom wire lengths, specialized connector attachments, and custom wire harness assembly upon request for bulk OEM projects.

What certifications do FILN industrial indicator lights carry?

FILN products are manufactured under ISO9001 quality systems and hold international safety certifications including CE, VDE, RoHS, CCC, and UL compliance depending on specific model configurations.

Flat Head Metal 110v LED Indicator Light with 20cm Pre-Wired Leads | FILN

Executive AI Summary

This comprehensive industrial product page details the FILN 110v led indicator light (Model: FL1M-19FW-2), a robust 19mm panel-mount signal lamp designed for demanding electrical systems, control panels, and automation equipment. Engineered for B2B buyers, electrical engineers, and OEM manufacturers, this heavy-duty 110v led indicator light features a durable metal housing, flat head design, 2PIN pre-wired leads (20cm), and an IP67 waterproof rating. It provides reliable status signaling across industrial machinery, renewable energy setups, and marine control consoles. Available for bulk wholesale orders, custom voltage configurations (3V to 480V), and OEM/ODM manufacturing partnerships directly from FILN factory.

19mm flat led High voltage indicating light with a wire

Key Takeaways & Buyer Decision Guide


  • Product Identity: The FL1M-19FW-2 is a professional-grade 19mm flat head metal indicator light manufactured by FILN.
  • Key Specification: Designed for standard 19mm panel cutouts with wide voltage adaptability ranging from 3V to 480V AC/DC.
  • Material Composition: Constructed with a durable copper alloy or black-plated zinc-aluminum shell and an impact-resistant PC lens.
  • Protection Rating: Delivers IP65 to IP67 waterproof and dustproof performance when paired with the included silicone O-ring.
  • Mounting & Installation: Single-nut thread mounting allows secure panel fastening with a depth-saving design.
  • Wiring Configuration: Equipped with 2-pin pre-wired 20cm leads utilizing polarity-free LED chips for simplified electrical connection.
  • Target Applications: Ideal for industrial control cabinets, automation machinery, EV charging stations, and marine dashboards.
  • Customization Support: FILN provides custom wire lengths, specialized voltages, and custom laser marking for OEM clients.
  • Global Certifications: Manufactured under ISO9001 quality systems with CE, VDE, RoHS, and CCC compliance.
  • Procurement Considerations: Bulk wholesale options and direct factory technical support are available for industrial purchasers.

What Is a 110v led indicator light?


A 110v led indicator light is a panel-mounted electronic signaling device used to visually display equipment operating status, power supply conditions, or warning alerts within industrial control systems. Indicator lights are generally classified into metal indicator lights and plastic indicator lights, spanning mounting dimensions from 6mm to 30mm. Regarding electrical termination, they are available in pin-terminal variants and direct pre-wired configurations. Metal indicator lights typically offer flat head, prominent head, and recessed head exterior profiles, enabling engineers to select the optimal design based on mechanical protection and visual requirements.

As a specialized manufacturer, FILN offers robust 19mm solutions like the 110v led indicator light to replace fragile plastic components in demanding industrial environments. The metal housing ensures superior mechanical strength, corrosion resistance, and long-term operational reliability across commercial and industrial machinery.

FILN Metal Indicator Light Varieties and Options

Product Overview & Engineering Principles


The FILN 110v led indicator light operates on advanced solid-state semiconductor principles, converting electrical energy into clear, uniform optical illumination. Internally, a high-brightness LED chip is paired with a precision carbon film resistor to regulate voltage and current parameters, ensuring stable performance when connected to 110V AC or DC circuits.

Mechanically, the assembly utilizes a threaded metal barrel secured by an M19 locking nut and a high-grade silicone O-ring. This design creates a tight compression seal against control panels, preventing moisture, dust, and cutting fluids from breaching sensitive electrical enclosures. The integrated 20cm wire leads eliminate internal soldering failures often caused by heavy machine vibration, making this 110v led indicator light an optimal choice for industrial automation and heavy-duty equipment panels.

Quick Technical Specifications


Technical Parameter Specification Details
Product Description Metal indicator light with pre-wired leads
Indicator Light Model FL1M-19FW-2
Mounting Hole Size 19 mm (approx. 0.75 inches)
Operating Voltage 3V – 480V AC/DC (Customizable; optimized for 110v led indicator light applications)
LED Color Options Red, Green, Yellow, Blue, White (R/G/Y/B/W)
Waterproof Rating IP65 / IP67 compliant
Wiring Type 2-pin wire lead (Standard length: 20 cm)
Head Type Flat head
Surface Quality Smooth and flat exterior without burrs, oxidation, cracks, or surface defects
Assembly Standard Head and base assemblies precision-fitted to prevent rotation, detachment, tilt, or deformation

Performance Parameters & Electrical Ratings


Performance Parameter Rated Value & Technical Limits
Rated Operating Voltage 3V–480V DC/AC (Custom configurations available upon request)
AC Frequency 50 / 60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Consumption Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC between lead wires and housing)
Dielectric Strength / Voltage Proof 1500V–1800V AC, with no breakdown or flashover
Operating Lifespan 50,000 to 100,000 hours of continuous operation
Ingress Protection Rating IP65 / IP67 waterproof and dustproof

Component Materials & Engineering Selection


Every material utilized in the construction of the FILN 110v led indicator light is selected to guarantee structural integrity, environmental resistance, and electrical safety in industrial deployments.

Component Part Name Material Specification Engineering Purpose
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical rigidity, impact resistance, and grounding continuity.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability and electrical insulation properties.
Lampshade / Lens PC (Polycarbonate) Ensures high light transmittance, shatter resistance, and UV stability.
Luminescent Source High-brightness LED chip Delivers energy-efficient, long-lasting visual signaling.
Resistor Carbon film resistor Regulates voltage flow for stable operation across 110V systems.
Wire / Lead Wire PVC insulated stranded wire Provides flexible, secure electrical connection with oil resistance.
Locking Nut Copper alloy Secures the indicator firmly onto control panels under vibration.
O-Ring Seal Silicone / Silica gel Creates an impermeable barrier against water, dust, and debris.
Lock Washer Stainless steel Prevents loosening caused by mechanical shock or thermal expansion.

Environmental Performance & Testing Standards


The following environmental test parameters govern the operational robustness of the FL1M-19FW-2 series metal indicator light across extreme working conditions:

Environmental Test Type Testing Conditions & Parameters
Application Scope General operating range for FILN Metal Indicator Light series
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Resistance Test 96 hours exposure at 80 ± 2°C
Low Temperature Resistance Test 96 hours exposure at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternating between -40°C (30 min) and 85°C (30 min), 5 total cycles

LED Chip Technical Specifications


1. Absolute Maximum Ratings (Maximum safe operational limits for the internal LED chip):

  • Forward Current ($I_{FP}$): 20 mA
  • Reverse Voltage ($V_R$): 5 V
  • Power Dissipation ($P_D$): 60 mW
  • Operating Temperature Range ($T_{OPR}$): -40°C to +80°C
  • Storage Temperature Range ($T_{STG}$): -40°C to +100°C
  • Lead-Free Soldering Temperature ($T_{SOL}$): 260°C Max. for 3 sec. Max.

2. Electro-Optical Characteristics (Measured at ambient temperature $T_a = 25^\circ\text{C}$):

Parameter Test Condition Specification Limit / Typical Value
Forward Voltage ($V_F$) $I_F = 20\text{ mA}$ 2.8 V (Min.) – 3.2 V (Max.)
Reverse Current ($I_R$) $V_R = 5\text{ V}$ 5 µA (Max.)
Viewing Angle ($2\theta_{1/2}$) $I_F = 20\text{ mA}$ 60° (Typical)
Luminous Intensity ($I_v$) $I_F = 20\text{ mA}$ 500 mcd (Min.) – 800 mcd (Max.)
Dominant Wavelength ($\lambda_d$) $I_F = 20\text{ mA}$ 520 nm – 525 nm (Green variant reference)

Standard Test Conditions


Unless otherwise specified, all electrical and optical parameters for the 110v led indicator light are measured under controlled standard atmospheric conditions:

  • Ambient Temperature: 5°C ~ 35°C
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for human eye response curves. Measurement tolerance for luminous intensity is ±15%, and voltage measurement tolerance is ±0.1V.

Applications by Industry


Metal indicator lights utilize high-strength copper alloy or stainless steel housings, offering exceptional impact resistance and IP67 waterproof protection suitable for demanding industrial and commercial environments. While plastic indicators are prone to aging, cracking, and thermal deformation over time, metal indicator lights adapt seamlessly to harsh working conditions, frequent operation, and high-reliability requirements.

1. Industrial Automation & Mechanical Manufacturing

This sector represents the primary application area for heavy-duty indicator lights exposed to continuous mechanical vibration, oil contamination, and physical impact.

  • CNC Machine Tools & Machining Centers: Control panels utilize red, green, and yellow metal indicators where green indicates normal operation, yellow signifies standby/warning, and red denotes emergency stop or faults. The metal shell resists cutting fluids and metal debris.
  • Automation Production Line Cabinets: Large distribution and PLC control cabinets integrate 19mm metal indicators operating on 110V AC or 24V DC to display power distribution status clearly.
  • Hydraulic & Pneumatic Equipment: Applied in pump start/stop and pressure warning displays. Integrated pre-wired metal indicators secure internal LED and resistor assemblies against vibration-induced wire breakage.

2. Outdoor Power & Renewable Energy Distribution

Outdoor equipment experiences extreme seasonal temperature swings and direct weather exposure, demanding superior weatherability.

  • EV Charging Stations: Outdoor DC and AC charging piles utilize flat head metal status indicators. Flashing blue/green lights indicate active charging, constant green indicates completion, and flashing red indicates ground faults. IP67 sealing prevents weather ingress and vandalism.
  • Outdoor Distribution & Solar Combiner Boxes: Solar photovoltaic stations utilize indicators to display high-voltage closing and inverter status across operating ranges from -40°C to +80°C.

3. Rail Transit, Utility Vehicles & Marine Equipment

High-vibration transit systems and saline marine environments require corrosion-resistant components.

  • Engineering Vehicle Dashboards: Excavators, cranes, and bulldozers use dashboard indicators for oil pressure and brake fault monitoring.
  • Marine & Port Control Gear: Ship cabins and deck control boxes use plated metal indicators to resist salt fog corrosion, backed by silicone O-rings preventing water ingress.

4. Commercial Vending & Public Equipment

  • Automated Vending & Ticketing Machines: Paired with vandal-resistant metal switches to indicate coin insertion and dispensing states.
  • Access Control & Intercoms: Stainless steel intercom panels use dual-color indicators to display door lock statuses.

5. Medical & Food Processing Machinery

  • Food Bottling & Packaging Equipment: Subjected to daily high-pressure washdowns with chemical cleaning agents; IP67 metal indicators resist corrosion and fluid penetration.
  • Medical Sterilizers: High-pressure autoclaves use indicators to differentiate heating, sterilizing, and exhaust cycles.
Application Scenarios of FILN Indicator Lights in Industrial Machinery

LED Indicator Color Meanings & Application Guide


Indicator color selection is critical for operator safety and ergonomic efficiency in control panel design. Color conventions may vary depending on equipment manufacturer specifications, industry standards, and regional regulations. FILN supplies single-color, dual-color, and tri-color configurations to match specific system requirements.

Color Common Meaning Typical Equipment Status Recommended Application
Red Danger / Emergency / Stop Fault, emergency stop engaged, over-pressure Alarm panels, trip warnings, stop pushbuttons
Green Normal / Safe / Go Power ON, normal cycle running, system ready Main power status, running indicators
Yellow / Amber Caution / Warning / Standby Standby mode, temperature threshold approaching Pre-heating stages, pause states
Blue Mandatory Action / Information Charging active, cooling system active EV chargers, pneumatic control modes
White Neutral / General Status Control voltage active, cabinet door open General illumination feedback, auxiliary power

Installation Guide


Proper mechanical mounting ensures that the 110v led indicator light maintains its IP67 waterproof rating and secure panel fit. Follow these sequential steps for installation:

  1. Prepare Mounting Hole: Drill or punch a precise 19mm circular mounting hole in the equipment control panel. Ensure burrs and metal shavings are thoroughly cleaned from the edges.
  2. Position Waterproof Gasket: Slide the provided silicone waterproof O-ring onto the threaded barrel of the indicator light from the rear of the mounting flange.
  3. Insert Indicator Light: Insert the indicator light assembly from the front side of the control panel through the 19mm aperture.
  4. Secure Locking Nut: Thread the M19 metal locking nut onto the barrel from the rear side of the panel. Tighten securely using a standard socket or wrench to compress the silicone gasket against the panel surface.
  5. Connect Wiring: Connect the 20cm pre-wired leads to the 110V circuit following standard electrical safety protocols.
Step-by-step installation process for FILN panel mount indicator lights

Wiring Guide & Connection Methods


Understanding the difference between pin-terminal and pre-wired indicators ensures reliable electrical integration. Pin-terminal indicators require soldering or specialized female spade connectors attached directly to terminal pins. In contrast, pre-wired indicators (such as the FL1M-19FW-2) arrive equipped with integrated 20cm wire leads.

Directly pre-wired indicator leads can be securely linked to the main circuit using quick-connection wire terminals, professional soldering, or insulated electrical tape wrapping to guarantee joint stability. Because FILN integrates polarity-free LED components into these units, installers do not need to distinguish between positive and negative polarity when connecting AC or DC circuits.

Safety Warning: Always cut off the main power supply and verify zero voltage using a calibrated multimeter before performing any electrical wiring or maintenance.

Industry Knowledge Center


Selecting high-reliability signaling components prevents unexpected control panel downtime. Industrial indicator lights bridge communication between complex PLC logic and human operators. When specifying a 110v led indicator light, engineers must evaluate electrical transient protection, ambient operating temperatures, and ingress protection requirements. Proper maintenance involves periodic inspection of terminal connections and cleaning exterior lenses to maintain clear visibility in dusty industrial settings.

Buyer Decision Guide & RFQ Checklist


FILN provides multiple metal shell options to suit distinct operating environments. The following comparison outlines housing material characteristics:

Shell Material Advantages Limitations Recommended Environment
Nickel-Plated Brass Cost-effective, robust mechanical strength, good conductivity Susceptible to corrosion in heavy saline environments General industrial machinery, indoor control cabinets
Stainless Steel Superior corrosion resistance, high aesthetic finish Higher raw material cost Food processing, marine equipment, medical devices
Black-Plated Zinc-Aluminum Matte black finish, lightweight, durable Coating can scratch under extreme physical abuse Automotive dashboards, premium audio gear

RFQ Checklist for Procurement Managers

Providing the following specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements efficiently:

  • Product Type & Model (e.g., FL1M-19FW-2)
  • Mounting Hole Size (e.g., 19mm)
  • Operating Voltage & Frequency (e.g., 110V AC/DC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type (Flat, Prominent, Recessed)
  • Housing Material (Brass nickel-plated, Stainless steel, Zinc alloy)
  • Waterproof Requirement (IP65 / IP67)
  • Wiring Method & Lead Length (e.g., 20cm pre-wired)
  • Target Market & Certifications Required (CE, RoHS, UL)
  • Order Quantity & Packaging Requirements

FILN Manufacturing & Engineering Capabilities


FILN operates as an established manufacturer with robust R&D, custom tooling, and automated production capabilities. For B2B buyers and OEM clients, FILN provides tailored engineering support, custom wire harnesses, specialized operating voltages, and rigorous quality control testing. Every production batch undergoes strict electrical and waterproof verification before global export.

FILN Manufacturing Facility and Corporate Overview

Factory Direct Supply & Global Export


Yueqing Yulin Electronic Co., Ltd. (brand name FILN), located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating research, development, production, and sales. FILN products are distributed across more than 100 countries. Operating within a modern 10,000 m² facility equipped with over 20 advanced production lines and an independent testing laboratory, FILN maintains strict adherence to ISO9001 quality management standards. Certified products include UL, CE, RoHS, REACH, TUV, CB, and VDE, serving kitchen appliances, energy storage systems, EV charging infrastructure, automotive modifications, and industrial control panels.

For comprehensive product catalogs, technical datasheets, or to explore related options, please visit the FILN Metal Indicator Light Catalog, explore the 19mm Panel Mount LED Metal Product Page, or browse our 19mm LED Indicator Light Series.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop and Production Lines

Frequently Asked Questions


How to prevent phantom illumination (faint glowing) in 12v or 110v LED indicators?

Phantom illumination or faint glowing can occur due to induced AC voltages or residual leakage current from solid-state PLC outputs. Adding an appropriate bleed resistor or parallel RC snubber circuit across the indicator terminals drains stray leakage current and eliminates ghosting.

Can this IP67 indicator light be washed down with caustic chemicals?

Yes, when properly installed with its silicone O-ring, the stainless steel or nickel-plated brass variants feature IP67 protection, making them resistant to routine industrial washdowns. However, prolonged exposure to extreme caustic chemicals should be evaluated with FILN engineering.

What is the difference between pin-terminal and pre-wired metal indicator lights?

Pin-terminal indicators require soldering or female spade connectors attached directly to exposed pins. Pre-wired indicators come equipped with integrated 20cm wire leads, saving installation time and protecting internal connections from vibration and moisture.

Does the 110v led indicator light require a separate external resistor?

No. FILN builds internal current-limiting carbon film resistors directly into the indicator assembly, allowing direct connection to 110V AC or DC power sources without external components.

Are FILN metal indicator lights polarity sensitive?

No. The internal LED assemblies utilize polarity-free rectifier circuits, allowing direct connection to both AC and DC power sources without concern for positive and negative wire orientation.

What panel thickness is supported by the 19mm mounting hardware?

The standard M19 threaded mounting barrel accommodates control panel thicknesses ranging from 1mm up to 6mm, secured tightly with the included metal locking nut and silicone gasket.

Can FILN customize wire lengths for OEM orders?

Yes. As a direct manufacturer, FILN offers flexible custom wire lengths, specialized connector attachments, and custom wire harness assembly upon request for bulk OEM projects.

What certifications do FILN industrial indicator lights carry?

FILN products are manufactured under ISO9001 quality systems and hold international safety certifications including CE, VDE, RoHS, CCC, and UL compliance depending on specific model configurations.

Metal Light Indicators Recessed Head DC/AC with Wire Leads 20cm| FILN

Executive Product Summary


The FILN 19mm recessed head metal light indicators are heavy-duty industrial status signal lamps engineered for electrical control panels, machinery, and automation equipment. Manufactured directly by FILN, these robust light indicators feature a durable metal shell housing a high-brightness LED source, offering superior mechanical strength compared to standard plastic alternatives. Designed for OEM buyers, control panel builders, and industrial distributors seeking reliable wholesale procurement, these units support custom voltages ranging from 3V to 480V AC/DC. Key specifications include a standard 19mm mounting hole, a pre-wired 2PIN connection configuration, and an IP65/IP67 ingress protection rating. Procurement managers and electrical engineers should confirm operating voltage requirements, wire lengths, and environmental exposure levels before placing bulk custom orders. FILN provides comprehensive OEM and ODM manufacturing support, direct factory pricing, and customized technical documentation to streamline supply chain integration.

19mm 6v Panel metal pilot indicator light

Key Engineering & Procurement Takeaways


  • Product Identity: Industrial-grade 19mm recessed head metal light indicators designed for clear status visualization on heavy machinery and electrical control enclosures.
  • Mounting Specification: Standard 19mm panel cutout size utilizing a single-nut thread mounting mechanism for fast, secure mechanical installation.
  • Electrical Versatility: Supports a wide operational voltage range from 3V to 480V AC/DC with customizable internal current-limiting carbon film resistors.
  • Shell Material: High-strength copper alloy or black-plated zinc-aluminum alloy body providing exceptional impact resistance and environmental durability.
  • Protection Rating: IP65/IP67 ingress protection achieved via integrated silicone O-rings, preventing dust ingress and temporary moisture exposure.
  • Wiring Configuration: Factory-attached 2PIN wire leads ensure vibration-resistant electrical connections compared to standard pin terminals.
  • Optical Performance: High-brightness LED light source available in multiple standard colors including Red, Green, Yellow, Blue, and White.
  • Compliance Standards: Manufactured under ISO9001 quality management systems with CE, VDE, RoHS, CCC, and UL component certifications.
  • Customization Support: Direct factory manufacturing allows tailored wire lengths, specialized connector integration, and custom voltage specs for OEMs.
  • Procurement Assurance: Stable bulk wholesale supply, dedicated engineering consultation, and rapid sample fulfillment provided directly by FILN.

What is a Metal Light Indicator?


Metal light indicators are electromechanical status display devices utilized across industrial control systems to communicate operational states, power conditions, and fault warnings. Unlike fragile plastic alternatives, metal indicator lamps feature durable metallic enclosures built to withstand continuous mechanical shock, high vibration, and harsh environmental exposure. The internal architecture combines a high-brightness LED luminescence source, a protective polycarbonate lens, and a precise current-limiting resistor to ensure consistent visual output across diverse electrical systems.

FILN manufactures a comprehensive range of indicator lights categorized into metal and plastic variants, spanning mounting diameters from 6mm to 30mm. Electrical connection methods include standard pin terminals and direct pre-wired configurations. Specifically, metal light indicators are offered in flat head, prominent head, and recessed head configurations to match specific aesthetic and operational requirements. The recessed head variant features a protected, sunken lens design that prevents accidental mechanical actuation while delivering high-visibility status signals.

FILN Metal Indicator Light Series Overview

Explore our complete catalog of

to find alternative mounting sizes and head styles suited for your engineering project.

Product Overview: FL1M-19CW-1


The FL1M-19CW-1 is a premium 19mm recessed head metal light indicator designed specifically for professional control panel builders and industrial equipment manufacturers. Mechanically, the unit utilizes a threaded metal body and a securing hex nut for tight panel integration, complemented by an internal silicone sealing ring that establishes an IP65/IP67 ingress protection boundary. Electrically, the integrated solid-state LED assembly operates efficiently at low current draws while supporting broad voltage inputs from 3V to 480V AC/DC through internal resistance management.

Industrial advantages include exceptional resistance to thermal degradation, UV-induced yellowing, and physical impact compared to standard commercial plastic indicators. The pre-wired 2PIN termination eliminates loose terminal connections in high-vibration machinery such as CNC cutting centers, marine consoles, and automated assembly lines. Certified under rigorous international electrical standards, this light indicator guarantees long operational lifespans exceeding 50,000 hours under continuous industrial duty.

Quick Technical Specifications


Specification Parameter Technical Detail
Product Description Metal light indicators with pre-wired leads
Indicator Light Model FL1M-19CW-1
Mounting Hole Size 19 mm (approx. 0.75 inches)
Operating Voltage 3V – 480V DC/AC (Customizable)
LED Color Options Red (R), Green (G), Yellow (Y), Blue (B), White (W)
Ingress Protection Rating IP65 / IP67 waterproof and dustproof
Wiring Type 2PIN direct wire lead termination
Head Type Recessed head / Concave head design
Surface Quality Smooth and flat finish without burrs, oxidation, cracks, or visible defects
Assembly Requirements Head and base assemblies properly fitted to prevent rotation, detachment, tilt, or deformation

Click here to purchase this specific 19mm indicator light model directly.

Performance Parameters & Ratings


Parameter Category Rated Value & Operating Limits
Rated Operating Voltage 3V–480V DC/AC (Customizable per customer specifications)
AC Frequency 50/60 Hz
Rated Operating Current ≤ 20 mA
Rated Power Dissipation Approx. 0.2 W
Insulation Resistance ≥ 100 MΩ (Tested at 500V DC applied between lead wires and housing)
Dielectric Strength 1500V–1800V AC, no breakdown or flashover
Operating Life 50,000 to 100,000 hours continuous operation
Ingress Protection IP65 / IP67 waterproof and dustproof standard
Certifications CE, VDE, RoHS, ISO9001, CCC, UL

Component Materials & Engineering Purpose


Every material utilized in the construction of FILN metal light indicators is selected to maximize structural integrity, electrical safety, and environmental longevity in demanding industrial workspaces.

Component Part Material Specification Engineering Purpose
Shell / Housing Copper alloy / Black-plated zinc-aluminum alloy Provides mechanical impact resistance and robust grounding.
Lamp Holder PA66 (Polyamide 66) Offers high thermal stability and electrical insulation.
Lampshade / Lens Polycarbonate (PC) Ensures high light transmission and impact shatter resistance.
Luminescent Source High-brightness LED chip Delivers energy-efficient, long-lasting illumination.
Resistor Carbon film resistor Regulates operating current across varying voltage inputs.
Lead Wire PVC insulated copper wire Facilitates stable, flexible electrical connection.
Mounting Nut Copper alloy Ensures secure, vibration-resistant panel fastening.
O-Ring Seal Silicone / Silica gel Prevents water and dust ingress to maintain IP67 rating.
Lock Washer Stainless steel plum blossom gasket Prevents fastener loosening under continuous machine vibration.

Environmental Performance & Test Specifications


This specification defines the general operational range and environmental resilience standards for the metal light indicators series.

Environmental Test Parameter Testing Standard & Specification Limits
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤ 85% RH at +40℃
High Temperature Test 96 hours exposure at 80±2℃
Low Temperature Test 96 hours exposure at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total

LED Technical Specification


1. Absolute Maximum Ratings

Maximum safe operational limits for the internal LED chip, beyond which permanent structural damage may occur:

  • Forward Current ($I_{FP}$): 20 mA
  • Reverse Voltage ($V_R$): 5 V
  • Power Dissipation ($P_D$): 60 mW
  • Operating Temperature Range ($T_{OPR}$): -40°C to +80°C
  • Storage Temperature Range ($T_{STG}$): -40°C to +100°C
  • Lead-Free Soldering Temperature ($T_{SOL}$): 260°C Max. for 3 sec. Max.

2. Electro-Optical Characteristics

Test parameters measured at standard ambient temperature $T_a = 25^\circ\text{C}$:

  • Forward Voltage ($V_F$) – Test Condition: $I_F = 20\text{ mA}$ | Range: 2.8 V (Min.) – 3.2 V (Max.)
  • Reverse Current ($I_R$) – Test Condition: $V_R = 5\text{ V}$ | Upper Limit: 5 µA (Max.)
  • Viewing Angle ($2\theta_{1/2}$) – Test Condition: $I_F = 20\text{ mA}$ | Typical: 60°
  • Luminous Intensity ($I_v$) – Test Condition: $I_F = 20\text{ mA}$ | Range: 500 mcd (Min.) – 800 mcd (Max.)
  • Recommended Operating Current ($I_F$) | Typical: 20 mA
  • Dominant Wavelength ($\lambda_d$) – Test Condition: $I_F = 20\text{ mA}$ | Range: 520 nm – 525 nm
  • Junction Temperature ($T_j$) – Max. at $I_F = 20\text{ mA}$: 125°C
  • Thermal Resistance ($R_{j-p}$) – Test Condition: $I_F = 20\text{ mA}$ | Typical: 8°C/W

Standard Test Conditions


Unless otherwise specified, all electrical and optical parameters are measured under the following standardized atmospheric conditions in FILN testing laboratories:

  • Ambient Temperature: 5℃ ~ 35℃
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Technical Notes:

* Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for human eye response curves.

* Measurement tolerances: Luminous intensity tolerance ±15%, voltage measurement tolerance ±0.1V.

Industrial Applications & Use Cases


Metal light indicators utilize high-strength copper alloy or stainless steel metal shells, delivering outstanding impact resistance and IP67 waterproof protection suitable for industrial and heavy-duty commercial environments. While plastic indicators degrade and crack under long-term UV exposure and high temperatures, metal indicators adapt seamlessly to harsh operating conditions requiring high reliability.

1. Industrial Automation & Machinery Manufacturing

CNC machine control panels install red, green, and yellow metal light indicators to signal operational status, standby alerts, and emergency stops, with metal shells resisting cutting fluid and metal shavings.

2. Outdoor Power & Renewable Energy Distribution

EV charging stations and solar combiner boxes deploy flat head metal status indicators to display charging progress and fault warnings, withstanding severe weather and public tampering.

3. Rail Transit, Commercial Vehicles & Marine Equipment

Excavator cockpits and marine control consoles utilize vibration-resistant pre-wired metal indicators to indicate oil pressure and brake faults, resisting high salt-fog corrosion.

4. Commercial Vending & Access Control Systems

Outdoor ticket kiosks and stainless steel intercom panels feature robust metal indicator lamps to verify transaction states and door lock statuses.

5. Medical Equipment & Food Processing Machinery

Sterilization equipment and food packaging lines rely on IP67 metal indicators that endure daily high-pressure chemical washdowns without internal component corrosion.

Application of FILN Indicator Lights across Industries

LED Indicator Color Meanings & Application Guide


Indicator light color conventions guide operators in interpreting equipment states quickly. FILN offers single-color, dual-color, and tri-color configurations. Note that color conventions can vary by equipment manufacturer, industry standards, and geographic region.

Color Common Industrial Meaning Typical Equipment Status Typical Application
Red Danger, Stop, Emergency Fault, Trip, Shutdown Emergency stop buttons, error alerts
Green Normal, Safe, Go Running, Powered On Power status, normal operation loop
Yellow / Amber Caution, Warning, Standby Pre-check, Low fluid, Warning Temperature warning, standby mode
Blue Mandatory action, Status Cooling active, Charging EV charging stations, water coolers
White Neutral, Normal power Control power active Main distribution panel illumination

Installation Guide


Proper mechanical mounting ensures optimal sealing and long-term stability for 19mm metal light indicators.

  1. Safety First: Cut off all upstream power supplies before starting mechanical installation or wiring.
  2. Panel Preparation: Drill a precise 19mm circular mounting hole in the equipment control panel using standard metal hole saws or punch tools.
  3. Gasket Placement: Ensure the waterproof silicone sealing O-ring is positioned correctly on the indicator housing thread base.
  4. Insertion: Insert the indicator lamp body through the front side of the control panel cutout.
  5. Securing: Thread the metal locking nut onto the rear housing threads and tighten securely to compress the waterproof gasket.
  6. Inspection: Verify that the head assembly sits flush without tilting or deformation before proceeding to electrical wiring.
FILN Indicator Light Installation Procedure

Wiring Guide & Connection Methods


Understanding connection techniques is crucial for reliable electrical integration. Metal indicator lights are manufactured in two primary termination formats:

  • Pin Terminal Indicators: Feature exposed solder lug pins requiring spade connectors, direct soldering, or screw terminal blocks for wire attachment.
  • Pre-Wired Indicators (e.g., FL1M-19CW-1): Feature factory-attached wire leads extending from the rear base, eliminating internal soldering steps during panel assembly.

Pre-wired indicator leads can be linked to the main circuit using quick-connection wire terminals, professional soldering, or insulated electrical tape wrapping to guarantee long-term connection stability.

WARNING: Always verify electrical polarity and confirm that the circuit power is completely disconnected before connecting wiring to prevent electric shock or component damage.

Industry Knowledge Center


Selecting the correct indicator light involves evaluating operating voltage compatibility, environmental protection ratings, and physical panel constraints. Industrial designers must account for LED forward voltage drop and AC/DC rectification requirements when integrating low-voltage signal lamps into high-voltage distribution networks.

Preventing phantom illumination (faint glowing caused by residual leakage currents in solid-state PLC output modules) often requires installing parallel bleeding resistors. Maintenance teams should routinely inspect panel sealing gaskets to ensure IP67 waterproof integrity remains uncompromised over years of mechanical operation.

Buyer Decision Guide & RFQ Checklist


FILN provides multiple shell materials to match varying environmental corrosion requirements:

Shell Material Option Primary Advantages Recommended Application Environment
Nickel-Plated Brass Cost-effective, excellent mechanical strength, anti-corrosion finish Standard industrial control panels, indoor machinery
Stainless Steel Superior chemical resistance, rust-proof, maximum durability Marine equipment, food processing, medical devices
Zinc-Aluminum Alloy Lightweight, robust die-cast body with black plated finish Automotive dashboards, commercial electronic enclosures

Procurement RFQ Checklist

Providing these specifications helps FILN engineering and sales teams confirm compatibility and quotation requirements efficiently:

  • Product Type & Model (e.g., FL1M-19CW-1)
  • Mounting Hole Size (e.g., 19mm)
  • Operating Voltage & Current Type (AC/DC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type (Recessed, Flat, Prominent)
  • Shell Material (Brass, Stainless Steel, Zinc Alloy)
  • Waterproof Requirement & Ingress Rating
  • Wiring Method & Lead Wire Length
  • Target Market & Compliance Certifications
  • Order Quantity & Packaging Requirements

FILN Manufacturing & Engineering Capabilities


FILN operates as a dedicated electrical component manufacturer with comprehensive R&D, tooling design, automated assembly, and rigorous quality testing laboratories. Our engineering team provides custom wire harness integration, specialized voltage adaptations, and rapid sample prototyping to support original equipment manufacturers worldwide.

With strict adherence to ISO9001 quality management protocols, every production batch undergoes dielectric strength testing, waterproof pressure testing, and photometric calibration prior to shipment, ensuring reliable performance for global B2B clients.

FILN Company Overview and Manufacturing Facility

Factory Direct Supply & Global Reach


Yueqing Yulin Electronic Co., Ltd, operating under the brand name FILN in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating research, production, and sales. Premium FILN products are distributed across more than 100 countries.

FILN operates a modern 10,000 m² production facility featuring 20+ advanced automated manufacturing lines and an independent testing laboratory. Driven by strict ISO9001 quality control systems, FILN delivers certified products (UL, CE, RoHS, REACH, TUV, CB, CCC) widely utilized in home appliances, energy storage systems, EV charging infrastructure, marine consoles, and industrial automation.

  • Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and custom electrical assemblies.
  • Quality Approvals: ISO9001, CE, VDE, RoHS, SGS, UL, IP65/IP67, TUV, CCC.
  • Export Markets: Global distribution across North America, Europe, Australia, and Asia.
  • Manufacturing Advantages: Direct engineering consultation, custom solution development, and stable bulk wholesale supply.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions


1. How to prevent phantom illumination (faint glowing) in 12V LED light indicators?

Phantom glowing in low-voltage LED indicators is often caused by leakage currents from solid-state PLC output modules or triac switches. This can be effectively resolved by connecting a suitable parallel resistor (bleeding resistor) across the indicator terminals to drain off residual stray voltage.

2. Can this IP67 metal indicator light be washed down with caustic chemicals?

Yes, stainless steel shell variants equipped with silicone O-ring seals resist high-pressure chemical washdowns commonly used in food processing and medical sterilization equipment, provided the rear wiring connections are adequately sealed.

3. What panel thickness is compatible with the 19mm metal indicator light?

The 19mm threaded metal housing accommodates standard industrial control panel thicknesses ranging from 1mm up to 6mm, secured tightly from the rear with the included copper alloy locking nut and plum blossom gasket.

4. Are custom wire lengths available for pre-wired indicator models?

As a direct manufacturer, FILN supports custom wire lengths, specialized stripping, and connector attachment per OEM customer specifications. Contact inquiry@cnylin.com.cn to discuss custom harness requirements.

5. What is the difference between pin terminal and pre-wired indicator lights?

Pin terminal indicators require separate slip-on connectors or direct soldering during installation. Pre-wired indicators feature factory-attached wire leads that save assembly time and improve vibration resistance in mobile machinery.

6. Does FILN provide international safety certifications for these indicators?

Yes, FILN indicator lights carry multiple international compliance certifications including CE, VDE, RoHS, UL, and CCC, manufactured under an ISO9001 quality management system.

7. Can these light indicators operate directly on 220V AC power?

Yes, FILN offers internal resistor configurations designed for direct connection to 220V AC or 380V AC power supplies without requiring external dropping resistors.

8. What is the typical lifespan of the LED luminescent source?

The integrated high-brightness LED chip provides an exceptional operational life span ranging from 50,000 to 100,000 hours under normal industrial operating conditions.

9. How do I request bulk wholesale pricing and samples from FILN?

Procurement managers and engineers can request wholesale quotations and samples by emailing the FILN sales team directly at inquiry@cnylin.com.cn.

10. What is the advantage of a recessed head indicator design?

The recessed head design positions the lens slightly below the bezel rim, protecting the indicator surface from accidental physical impact or unintended mechanical contact.

11. Are dual-color or tri-color options available in the 19mm size?

Yes, FILN manufactures customizable multi-color LED indicators that can switch status colors based on polarity reversal or independent circuit control.

12. What materials are used for the outer shell of the indicator?

FILN offers nickel-plated brass, corrosion-resistant stainless steel, and black-plated zinc-aluminum alloy shell options to match specific environmental demands.

13. What is the minimum order quantity for custom voltage indicators?

MOQ requirements vary depending on specific customization requests. Contact our engineering sales team with your exact project parameters for details.

14. How is the waterproof rating tested and verified?

Each indicator series undergoes stringent water immersion and dust chamber testing to verify compliance with IP65 and IP67 ingress protection standards.

15. Can these light indicators be used in outdoor solar power systems?

Yes, their UV-resistant PC lenses and IP67 metal bodies make them ideal for outdoor photovoltaic inverter boxes and solar combiner systems.

16. What precautions should be taken when soldering pin terminal models?

Ensure soldering iron temperatures do not exceed 260°C and limit contact time to under 3 seconds to prevent thermal damage to the internal LED chip and base holder.

17. Do these indicators require an external series resistor for low voltages?

Standard units ordered for 3V to 24V operation feature built-in internal current-limiting resistors matched to the operating voltage specified at purchase.

18. Where can I view more mounting size options for metal indicators?

You can explore the full range of alternative sizes by visiting the

.

19. How do metal indicators compare to plastic indicators in vibration resistance?

Metal indicators provide superior rigidity and threaded security, preventing panel flexing and housing distortion in heavy industrial machinery subject to continuous vibration.

20. Does FILN offer OEM private labeling on indicator housings?

Yes, OEM laser marking and custom packaging services are available upon request for qualified volume orders. Contact our factory team to discuss branding options.

Flat Head Indicator Light Blue LED Metal Pilot Light 2PIN Terminal | FILN

Executive Summary

The FILN 16mm flat head metal indicator light (Model: FL1M-16FJ-1) is a professional-grade industrial signal device engineered for robust status indication across control panels, automation systems, and heavy-duty electrical equipment. Designed for industrial engineers, panel builders, and OEM manufacturers, this robust pilot lamp features a durable metal alloy shell, secure 2PIN pin terminals (6.3mm width), and reliable IP65 waterproof protection when installed with its included silicone O-ring. Available with customizable operating voltages ranging from 3V to 480V DC/AC, it provides clear, bright illumination in red, green, yellow, blue, and white configurations. Backed by UL certification (Certificate Number: E498776) and ISO9001 factory manufacturing standards, FILN offers wholesale supply, custom engineering solutions, and direct factory support for bulk orders, ensuring stable performance and reduced procurement risk for global industrial applications.

Product Drawing

16MM 220V FALT head IP67 metal indicator light

Key Takeaways

  • Product Identity: Professional 16mm flat head metal indicator light engineered for demanding industrial control systems.
  • Mounting Specification: Standard 16mm mounting hole designed for secure single-nut panel installation.
  • Electrical Flexibility: Supports flexible voltage configurations ranging from 3V to 480V DC/AC to match specific circuit requirements.
  • Robust Shell Material: Copper alloy and zinc-aluminum alloy body offers superior mechanical strength compared to plastic alternatives.
  • Protection Rating: IP65 waterproof performance achieved via precision engineering and included silicone O-ring sealing.
  • Terminal Design: Features reliable 2PIN pin terminals (6.3mm width) optimized for fast electrical connections.
  • Illumination Options: High-brightness LED configurations available in red, green, yellow, blue, and white.
  • Verified Compliance: Certified by UL (Certificate Number: E498776), CE, VDE, RoHS, and manufactured under ISO9001 standards.
  • Application Versatility: Ideal for CNC machine tools, power distribution cabinets, renewable energy systems, and automotive retrofitting.
  • Manufacturer Support: FILN provides direct factory wholesale supply, OEM/ODM customization, and comprehensive technical documentation.

What Is The Indicator Light Blue And Metal Signal Series

An indicator light blue or general metal signal lamp is an essential electro-mechanical human-machine interface device used to display equipment operating status, power conditions, and fault alerts. The FILM metal indicator series comprises heavy-duty components constructed from high-grade metal alloys rather than standard plastics, ensuring exceptional resistance to mechanical impacts, thermal stress, and environmental degradation. FILN manufactures indicator lights across diverse physical dimensions ranging from 6mm to 30mm, offering multiple termination choices including secure pin terminals and pre-wired cable configurations.

Metal indicator lights are specifically engineered with three distinct outer head profiles: flat head, prominent convex head, and recessed head variants, allowing engineers to match panel aesthetics and operational safety requirements. The flat head configuration provides a streamlined, flush panel appearance that prevents accidental snagging while delivering wide-angle visual status confirmation. These lamps integrate high-efficiency LED elements paired with internal current-limiting carbon film resistances to ensure stable optical output across extended operational lifespans.

FILN Metal Indicator Light structural overview showing flat head and mounting variations

Product Overview

The FILN 16mm metal indicator light functions as a direct visual feedback interface for electrical control circuits. Electrically, it converts input voltage through internal resistive networks to drive a solid-state high-brightness LED light source while suppressing transient voltage spikes. Mechanically, the assembly utilizes a precision-threaded cylindrical shell secured by a heavy-duty locking nut and an internal silicone sealing ring, creating a tight physical barrier against dust, moisture, and cutting fluids.

Designed for industrial automation control panels, distribution switchboards, and OEM machinery, this product delivers superior mechanical rigidity compared to conventional plastic indicators. Its copper alloy body withstands continuous workshop vibrations without fracturing, while the standardized 16mm panel cut-out simplifies retrofitting and new panel design. With rigorous quality testing under ISO9001 protocols and international compliance including UL and CE marks, it provides dependable long-term service in demanding operational environments.

Quick Specifications

Description Metal Indicator Light
Model Number FL1M-16FJ-1
Mounting Hole 16mm (0.63 inch)
Voltage 3V – 480V DC/AC (Customizable)
LED Color Red, Green, Yellow, Blue, White (R/G/Y/B/W)
Waterproof Rating IP65 (IP67 optional depending on configuration)
Wiring Type 2PIN Pin Terminals (6.3mm terminal width)
Head Type Flat Head
Finishing Quality Smooth, flat, free of burrs, oxidation, and cracks.
Assembly Standard Head assembly and base locked firmly in place; zero rotation, detachment, skew, or deformation.

Performance Parameters

Rated Working Voltage 3V–480V DC/AC (Customizable per client specification)
AC Frequency 50 ~ 60 Hz
Rated Working Current ≤ 20 mA
Rated Power Approx. 0.2W
Insulation Resistance ≥ 100 MΩ (Tested at DC 500V between conductor and housing)
Dielectric Strength 1500V ~ 1800V AC, with no breakdown or flashover
Working Life 50,000 ~ 100,000 hours
Waterproof Rating IP65 standard

Component Materials & Engineering Purpose

Accessories Name Material Engineering Function
Shell Copper Alloy / Zinc-Aluminum Alloy (Black Plated) Provides high mechanical impact resistance and structural rigidity.
Lamp Holder PA66 Offers excellent thermal stability and electrical insulation.
Lampshade PC (Polycarbonate) Ensures optimal light diffusion and impact resistance.
Luminescent Source High-Brightness LED Delivers energy-efficient, long-lasting signal illumination.
Resistance Carbon Film Resistance Regulates operating current and stabilizes voltage input.
Wireway PVC Provides flexible, insulated internal electrical routing.
Nut Copper Alloy Ensures secure, non-stripping panel fastening.
O-ring Silica Gel Creates a watertight seal against moisture and dust ingress.
Plum Blossom Gasket Stainless Steel Prevents loosening under continuous vibration.

Environmental Performance Specifications

This specification outlines the general operating envelope and environmental endurance parameters for the FL1M-16FJ-1 metal indicator light series.

Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours at 80 ± 2°C
Low Temperature Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Technical Specifications

1. Absolute Maximum Rating

Safety operating limits for the integrated LED chip:

  • Maximum Forward Current (IFP): 20 mA
  • Reverse Voltage (VR): 5 V
  • Power Dissipation (PD): 60 mW
  • Operating Temperature (TOPR): -40°C ~ +80°C
  • Storage Temperature (TSTG): -40°C ~ +100°C
  • Lead-free Soldering Temperature (TSOL): Max. 260°C for 3 sec max.

2. Electro-Optical Characteristics

Tested under ambient temperature Ta = 25°C:

Parameter Test Condition Value / Range
Forward Voltage (VF) IF = 20mA 2.8V (Min.) ~ 3.2V (Max.)
Reverse Current (IR) VR = 5V 5 μA (Max.)
Viewing Angle (2θ1/2) IF = 20mA 60° (Typical)
Luminous Intensity IF = 20mA 500 mcd (Min.) ~ 800 mcd (Max.)
Recommended Working Current (IF) – 20 mA (Typical)
Dominant Wavelength (Color) IF = 20mA 520nm ~ 525nm (for green variant)
Junction Temperature (Tj) IF = 20mA 125°C (Max.)
Thermal Resistance (RJP) IF = 20mA 8°C/W (Typical)

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under the following standard atmospheric conditions:

  • Ambient Temperature: 5°C ~ 35°C
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for human eye response curves. Tolerance of luminous intensity measurement is ±15%, and voltage measurement tolerance is ±0.1V.

Applications By Industry

The FILN FL1M-16FJ-1 metal indicator light utilizes a high-strength copper alloy shell providing outstanding impact resistance and IP65 waterproof protection, making it widely deployed across industrial and high-end commercial sectors. While traditional plastic indicators age, crack, or deform under high temperatures, metal indicators excel in harsh environments subject to frequent operation and high reliability demands.

1. Industrial Automation and Machinery Manufacturing

This sector represents the primary application environment where continuous mechanical vibration, oil contamination, and physical impacts occur.

  • CNC Machine Tools & Machining Centers: Control panels utilize red, green, and yellow metal indicators where green indicates normal operation, yellow denotes standby or warning, and red signals emergency stop or faults. The metal shell resists cutting fluids and metal debris.
  • Automation Production Line Control Cabinets: Large power distribution and PLC cabinets mount 16mm metal indicators operating on AC220V or DC24V to provide clear power status indication.
  • Hydraulic and Pneumatic Equipment: Applied in pump start/stop and pressure overload monitoring. Rigid pin-terminal connections withstand high vibration without wire detachment.

2. Outdoor Power & Renewable Energy Distribution Systems

Outdoor equipment exposed to direct sunlight, heavy rain, and extreme temperature fluctuations requires superior weather resistance.

  • Electric Vehicle Charging Piles: Outdoor DC and AC charging stations feature flat head metal status indicators displaying blue/green flashing for active charging and red for leakage or ground faults.
  • Outdoor Distribution & Solar Combiner Boxes: Used in photovoltaic power stations to display high-voltage closing and inverter status across operating temperatures from -40°C to +80°C.

3. Rail Transit, Commercial Vehicles & Marine Equipment

Vehicles and marine vessels endure severe vibrational shocks and corrosive saline environments.

  • Engineering Vehicle Cockpits: Excavators, cranes, and bulldozers utilize dashboard indicators for oil pressure, coolant temperature, and brake status alerts.
  • Marine & Port Control Equipment: Stainless steel plated indicators resist saltwater corrosion while integrated silicone sealing gaskets prevent water ingress.

4. Commercial Self-Service & Public Security Facilities

Public equipment is vulnerable to physical knocks and vandalism where plastic fixtures easily fail.

  • Vending & Ticketing Machines: Paired with metal vandal-resistant pushbuttons to display coin insertion, dispensing, and change status.
  • Fuel Dispenser Panels: Hazardous area proximity requires electrical isolation provided by durable metal housings.
  • Outdoor Access Control & Intercoms: Stainless steel access panels feature red and green indicators to designate door lock status.

5. Medical Equipment & Food Processing Machinery

Requires frequent washdowns and sterilization while maintaining high cleanliness standards.

  • Food Filling & Packaging Equipment: Withstands high-pressure hot water and chemical washdowns with IP65 protection.
  • Medical Sterilization Devices: Indicates heating, sterilization, and exhaust phases in high-pressure autoclaves.
FILN metal indicator lights installed in industrial application environments

LED Indicator Color Meanings And Application Guide

Indicator color selection is critical for operator safety and efficient equipment monitoring. FILN offers single-color, dual-color, and tri-color configurations to suit complex interface designs. Below is the standard industrial color reference guide:

Color Common Industrial Meaning Typical Equipment Status Typical Application
Red Danger, Emergency, Stop Fault, Stop, Emergency Shutdown E-stop stations, error alerts, over-temperature alarms.
Green Safe, Normal, Go Normal Operation, Power ON Main power supply, running status, cycle complete.
Yellow / Amber Caution, Warning, Standby Abnormal Condition, Standby Low fluid level, pre-heating phase, system pause.
Blue Mandatory Action, Status Info Active Process, Charging EV charging piles, cooling circuit active, mode selection.
White Neutral, General Status Control Power, Illumination Ready Cabinet light status, auxiliary circuit monitoring.

Note: Indicator color conventions may vary by equipment manufacturer, internal safety standards, and regional regulations. Always verify system schematic requirements before finalizing specifications.

Installation Guide

Proper mechanical installation ensures IP65 waterproof integrity and long-term vibration resistance. Follow these step-by-step instructions for the FL1M-16FJ-1 model:

  1. Prepare Tools: Gather a calibrated panel punch or drill, digital multimeters, wire strippers, and insulated crimp tools.
  2. Panel Preparation: Drill or punch a precise 16mm diameter mounting hole in the control panel surface, ensuring the edges are clean and free of burrs.
  3. Insert Indicator Body: Remove the rear locking nut and washer, then insert the metal indicator light assembly from the front side of the panel.
  4. Position Silicone Gasket: Ensure the waterproof silicone O-ring is correctly seated between the indicator bezel and the front panel surface.
  5. Secure Fastener: Thread the metal locking nut onto the rear barrel and tighten securely using hand tools to prevent rotation without stripping threads.
  6. Connect Wiring: Attach matching wire leads to the 2PIN pin terminals (6.3mm width) via quick-disconnect terminals or soldering.
  7. Post-Installation Inspection: Verify circuit continuity and operating voltage with a multimeter before energizing the main power supply.
Step-by-step installation guide for FILN panel indicator lights

Wiring Guide & Terminal Comparison

Correct electrical connection guarantees stable operation and prevents premature component failure. The FL1M-16FJ-1 features a 2PIN pin terminal design (6.3mm width), while wire-lead variants offer pre-stripped flying leads for enclosed spaces.

Pin Terminal vs. Wire Lead Comparison

Terminal Type Advantages Limitations Recommended Application
2PIN Pin Terminal (FL1M-16FJ-1) Easy to disconnect; utilizes standard 6.3mm quick-connect receptacles; ideal for modular servicing. Industrial control panels where periodic wiring maintenance is required.
Wire Lead Type (FL1M-16FW-1) Factory-sealed wire connections; superior inherent moisture resistance; faster drop-in assembly. Fixed wire length; harder to replace on-site if cable is damaged. Automotive retrofitting, tight spaces, and outdoor equipment.

Wiring Instructions for Pin Terminals: Use standard 6.3mm quick-disconnect female spade connectors crimped securely onto stranded or solid copper wires. Alternatively, direct soldering can be applied, followed by heat-shrink tubing to isolate connections. For pre-wired models, connect wires using insulated quick-link terminal blocks or professional soldering wrapped with electrical tape.

SAFETY WARNING: Always disconnect main power supplies and verify zero voltage with a calibrated meter before performing any electrical wiring or maintenance.

Industry Knowledge Center

Understanding indicator light engineering principles helps procurement specialists and electrical designers specify reliable components. Signal lamps bridge electrical control circuits and human operators, providing instant feedback on system status. Selecting high-grade metal indicators prevents premature failures caused by plastic thermal deformation and UV degradation in outdoor or high-heat environments.

Maintenance teams should routinely inspect terminal connections for corrosion or loosening caused by continuous industrial vibration. If a low-voltage LED indicator exhibits a faint ghost glow while the circuit is off, it is typically caused by leakage current through solid-state relay outputs or long parallel control wiring, which can be resolved by adding an appropriate parallel bleeding resistor.

Buyer Decision & RFQ Guide

Selecting the correct metal indicator light requires evaluating physical compatibility, electrical ratings, and environmental exposure. FILN offers diverse shell materials tailored to specific operational demands:

Material Option Advantages Limitations Best Environment
Nickel-Plated Brass Cost-effective; excellent mechanical strength; good corrosion resistance. Not suitable for aggressive marine salt spray without special coating. Standard industrial control panels and indoor machinery.
Stainless Steel Superior corrosion and chemical resistance; premium appearance; maximum durability. Higher material cost compared to brass or alloy. Marine environments, food processing, medical equipment, and outdoor washdowns.
Zinc-Aluminum Alloy Lightweight; adaptable for custom black-plated finishes; rigid structure. Lower chemical resistance than stainless steel. General automation cabinets and commercial appliances.

Specification-to-Decision Framework

  • Mounting Hole (16mm): Determines physical panel compatibility; ensure punch dimensions match.
  • Voltage (3V-480V): Determines electrical compatibility; select matching AC/DC ratings to avoid LED burnout.
  • IP Rating (IP65): Determines environmental suitability against dust and moisture ingress.
  • Terminal Type (2PIN Pin): Affects assembly method and ease of wiring maintenance.

Request For Quotation (RFQ) Checklist

Providing the following specifications helps FILN engineering and sales teams confirm compatibility and quotation requirements efficiently:

  • Product Model: FL1M-16FJ-1
  • Mounting Hole Size: 16mm
  • Operating Voltage & Type (AC/DC)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type & Material Preference
  • Waterproof & Wiring Requirements
  • Required Quantity & Packaging Specifications
  • OEM Customization or Logo Marking Needs

FILN Manufacturing And Engineering Capabilities

FILN operates as a specialized electrical component manufacturer with comprehensive in-house R&D, tooling, automated production, and rigorous quality testing capabilities. For B2B buyers and OEM manufacturers, FILN provides robust technical communication, custom voltage engineering, sample support, and flexible batch production.

Our engineering support team collaborates directly with clients to resolve application challenges, offering custom wire harnesses, specialized laser marking, and tailored mounting dimensions to meet exact project specifications.

FILN manufacturing facility and engineering workshops

Factory Direct Supply & Company Profile

Yueqing Yulin Electronic Co., Ltd. (brand name FILN), located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch and indicator manufacturer integrating research, development, production, and sales. FILN premium products are exported to over 100 countries worldwide.

FILN operates a modern 10,000 square meter facility equipped with over 20 advanced production lines and an independent testing laboratory. Driven by scientific manufacturing processes and the ISO9001 quality management system, FILN ensures consistent innovation and superior electrical performance. Our certified products (UL Certificate E498776, CE, RoHS, REACH, TUV, CB, VDE, CCC) are widely utilized in home appliances, energy storage systems, EV charging stations, automotive retrofitting, marine consoles, and industrial security equipment.

Core Production Capabilities: Indicator lights, pushbutton switches, rocker switches, toggle switches, and customized small electrical components.

Export Markets: Global distribution across North America, Europe, Asia-Pacific, and Latin America.

Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN electronic components automated manufacturing workshop

Frequently Asked Questions

1. How to prevent phantom illumination (faint glowing) in 12V LED indicators?

Faint glowing when the circuit is switched off is typically caused by leakage current from solid-state relays, PLC output leakage, or induced voltage across long parallel wire runs. This can be resolved by connecting a suitable parallel bleeding resistor or RC snubber across the indicator terminals to bypass residual leakage current.

2. Can this IP65 indicator light be washed down with caustic chemicals?

The standard model features an IP65 rating with a silicone O-ring suitable for general industrial washdowns. However, for aggressive caustic chemical cleaning found in food processing or medical environments, we recommend selecting our stainless steel body configuration and confirming chemical compatibility with FILN engineering before deployment.

3. What is the standard panel cutout requirement for model FL1M-16FJ-1?

This model requires a precise 16mm (0.63 inch) mounting hole drilled or punched into the control panel. Ensure burrs are removed and use the provided silicone gasket and metal locking nut to secure the assembly.

4. Is this indicator light covered by international safety certifications?

Yes. The FL1M-16FJ-1 series holds official UL certification under certificate number E498776, alongside CE, VDE, RoHS, ISO9001, and CCC compliance, satisfying stringent global safety standards.

5. Can FILN customize operating voltages beyond standard options?

As a direct manufacturer, FILN supports fully customized operating voltages ranging from 3V up to 480V DC/AC to match your specific electrical distribution requirements upon request.

6. What are the advantages of 2PIN pin terminals over pre-wired cables?

2PIN pin terminals (6.3mm width) allow for easy disconnection using standard quick-connect receptacles, simplifying modular servicing and maintenance inside complex control cabinets compared to permanent wire leads.

7. How do I request 3D CAD models or formal engineering drawings?

Engineering buyers and panel builders can request STEP files, 3D models, and comprehensive technical data sheets directly by contacting our support team at inquiry@cnylin.com.cn.

8. What is the typical lead time for bulk wholesale orders?

Standard production lead times vary based on configuration and order volume. Please submit your exact specifications and quantity requirements to FILN sales for a confirmed delivery schedule.

Related Product Series & Resources

Explore additional metal indicator light sizes and configurations within the FILN ecosystem:

Small Size 8mm Indicator

Compact flat head pin terminal indicator for tight spaces.

View 8mm FL1M-08FJ-1 Series

12mm Flat Head Indicator

Standard industrial metal pilot light for control panels.

View 12mm FL1M-12FJ-1 Series

14mm Flat Head Indicator

Versatile metal signal lamp with robust pin terminals.

View 14mm FL1M-14FJ-1 Series

Browse Full Metal Indicator Collection

Discover our complete catalog of industrial metal pilot lights and signal lamps.

View All Metal Indicator Lights


LED Indicator Lights 12V 8-16MM Convex Raised Metal Indicator Lamp| FILN

Executive Product Summary

FILN manufactures high-reliability industrial components, supplying wholesale and custom solutions for global OEM buyers, control panel builders, and industrial equipment manufacturers. The FL1M-16SJ-1 series features premium 16mm convex metal led indicator lights 12v designed to provide high-visibility status signaling in demanding industrial environments. Engineered with a durable copper alloy shell, IP67 waterproof protection, and flexible 3V to 480V voltage options, this 2pin pin terminal indicator solves visibility and mechanical durability challenges in automation machinery, power distribution cabinets, and heavy-duty vehicles. Factory-direct wholesale supply, robust UL certification (E498776), and comprehensive custom engineering support minimize procurement risk for industrial supply chains.

16MM 5/8 inch IP67 LED metal pilot indicator light

Key Engineering & Procurement Takeaways

  • Product Identity: The FL1M-16SJ-1 is a 16mm convex head metal led indicator lights 12v engineered for professional industrial control panels.
  • Voltage Flexibility: Supports custom operating voltages ranging from 3V to 480V AC/DC to match diverse electrical architectures.
  • Robust Construction: Built with a copper alloy or zinc-aluminum alloy shell providing superior mechanical strength compared to plastic alternatives.
  • Protection Rating: Features IP67 waterproof and dustproof sealing when installed correctly with the included silicone O-ring.
  • Mounting Specification: Designed for standard 16mm panel cutouts utilizing a single-nut thread mounting mechanism.
  • Electrical Termination: Equipped with secure 2pin pin terminals for stable solder or quick-disconnect wiring connections.
  • Optical Performance: Utilizes high-brightness LED components available in Red, Green, Yellow, Blue, and White configurations.
  • Global Compliance: Backed by rigorous international safety standards including UL certification (E498776), CE, VDE, and RoHS.
  • Application Versatility: Ideal for CNC machine tools, power distribution cabinets, charging piles, and industrial automation equipment.
  • Manufacturer Direct Support: Backed by FILN engineering expertise offering custom wire lengths, voltages, and OEM labeling support.

What is the 16mm Metal Indicator Light

An industrial signal device provides visual feedback regarding the operational status of electrical circuits, machinery, and control systems. The 16mm led indicator lights 12v represent a high-durability category of panel-mounted components utilized across modern manufacturing and engineering sectors. FILN manufactures comprehensive indicator options, offering both metal and plastic body constructions across standard mounting sizes from 6mm to 30mm. Electrical termination methods include secure pin terminals and direct wire leads to accommodate specific wiring harnesses.

Metal indicator lights feature three distinct head profiles consisting of flat head, convex head, and recessed head variants, allowing engineers to select the optimal aesthetic and operational profile for specific panel layouts. Convex head models project slightly beyond the mounting surface to maximize off-axis viewing angles, ensuring operators can monitor equipment status instantly from multiple vantage points within a control room.

FILN metal indicator light options and configurations

Product Overview & Engineering Principles

The FL1M-16SJ-1 indicator operates by converting electrical energy into visible optical radiation via an integrated semiconductor LED chip paired with a current-limiting resistor. Mechanically, the unit relies on a precision-machined threaded metal housing that clamps securely to control panels using a robust hex nut and silicone sealing ring. Electrically, current flows through the 2pin pin terminals, energizing the internal diode circuit while maintaining galvanic isolation between the hazardous power supply and the operator interface.

Industrial advantages include superior resistance to mechanical shock, vibration, and thermal degradation compared to conventional polymer indicators. The copper alloy body provides effective heat dissipation, protecting internal LED elements from premature failure in high-temperature operating environments. Compliance with global quality benchmarks ensures dependable performance in critical safety circuits, power distribution networks, and automated manufacturing lines.

Quick Technical Specifications

Product Description Metal Indicator Light / led indicator lights 12v
Model Number FL1M-16SJ-1
Mounting Hole Size 16mm (0.63 inch)
Operating Voltage 3V – 480V DC/AC (Customizable)
LED Color Options Red (R) / Green (G) / Yellow (Y) / Blue (B) / White (W)
Waterproof Rating IP65 / IP67
Wiring Type 2PIN Pin Terminals
Head Type Convex Head (Raised Profile)
Surface Finish Clean, smooth, burr-free, oxidation-free, crack-free plating
Assembly Quality Head assembly locked securely to base; zero rotation, detachment, skew, or deformation

Performance Parameters & Electrical Ratings

Rated Working Voltage 3V–240V DC/AC (Up to 480V customizable per client specifications)
AC Frequency 50Hz ~ 60Hz
Rated Working Current ≤ 20 mA
Rated Power Consumption Approximately 0.2W
Insulation Resistance ≥ 100 MΩ (Tested between wire and housing at DC 500V)
Dielectric Strength 1500V ~ 1800V AC, zero breakdown or flashover
Operational Working Life 50,000 to 100,000 hours
Ingress Protection Rating IP67 Water and Dust Protection

Component Materials & Engineering Purpose

The selection of engineering materials directly dictates the mechanical integrity, chemical resistance, and operational lifespan of industrial signaling components. FILN constructs each led indicator lights 12v assembly using specialized materials chosen for specific structural and electrical functions.

Accessory Name (Accessory) Material Composition (Material) Engineering Function
Shell / Housing Copper Alloy / Zinc-Aluminum Alloy (Black Plated) Provides robust mechanical protection, impact resistance, and electromagnetic shielding.
Lamp Holder PA66 Polyamide Offers high thermal stability and electrical insulation for internal components.
Lampshade Polycarbonate (PC) Ensures high light transmission efficiency, impact resistance, and UV stability.
Luminescent Source High-Brightness LED Semiconductor Delivers energy-efficient optical output with extended working lifespan.
Internal Resistor Carbon Film Resistance Regulates current flow to match specific operating voltage thresholds.
Nut Copper Alloy Ensures firm panel clamping without thread stripping under heavy vibration.
O-Ring Seal Silica Gel Creates an airtight and watertight barrier against moisture and dust ingress (IP67).
Plum Blossom Gasket Stainless Steel Prevents loosening caused by mechanical vibration and thermal expansion cycles.

Environmental Performance Specifications

This specification defines the general operating boundaries for the metal indicator light series under extreme environmental exposure.

Part Name Metal Indicator Light (FL1M-16SJ-1)
Operating & Storage Temperature -40℃ ~ +80℃
Operating Relative Humidity ≤ 85% at +40℃
High Temperature Test 96 hours at 80±2℃
Low Temperature Test 96 hours at -40±2℃
Constant Temperature & Humidity Test 96 hours at 40±2℃, 90% ~ 95% RH
Temperature Cycling Test Alternating between -40℃ (30 min) and 85℃ (30 min), 5 cycles total

LED Technical Specifications

1. Absolute Maximum Ratings: Maximum safety limits for the internal LED chip include a peak forward current (IFP) of 20 mA, reverse voltage (VR) of 5 V, power dissipation (PD) of 60 mW, operating temperature range (TOPR) of -40°C to +80°C, storage temperature range (TSTG) of -40°C to +100°C, and lead-free manual soldering temperature (TSOL) not exceeding 260°C for a maximum of 3 seconds.

Electro-Optical Characteristic Test Condition Parameter Value Range
Forward Voltage (VF) IF = 20mA 2.8V (Min) ~ 3.2V (Max)
Reverse Current (IR) VR = 5V ≤ 5 µA (Max)
Viewing Angle (2θ1/2) IF = 20mA 60° (Typical)
Luminous Intensity IF = 20mA 500 mcd (Min) ~ 800 mcd (Max)
Dominant Wavelength (Green) IF = 20mA 520 nm ~ 525 nm
Junction Temperature (Tj) IF = 20mA 125℃ (Max operating limit)
Thermal Resistance (RJP) IF = 20mA 8 ℃/W (Typical)

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under standard atmospheric testing conditions: ambient temperature between 5℃ and 35℃, relative humidity between 45% and 85%, and air pressure between 86 kPa and 106 kPa (860 mbar to 1060 mbar).

Measurement Notes: Luminous intensity and dominant wavelength are calibrated in accordance with the CIE international standard human eye response curve. Measurement tolerances include ±15% for luminous intensity and ±0.1V for operating voltage measurements.

Industrial Applications & Operating Environments

Metal indicator lights utilize high-strength copper alloy or stainless steel metal shells, delivering superior impact resistance and IP67 waterproof protection suitable for industrial and heavy-duty commercial sectors. While plastic indicator lights suffer from UV degradation, embrittlement, and thermal deformation over extended service intervals, metal indicators excel in aggressive operating conditions characterized by frequent operation and high reliability requirements.

1. Industrial Automation and Machinery Manufacturing: This sector represents the primary deployment environment for industrial signaling devices. Workshops experience continuous mechanical vibration, cutting fluids, and physical impacts. CNC machine tools utilize red, green, and yellow metal indicators on control panels where green indicates normal running state, yellow indicates standby or warning, and red signals emergency stop or system faults. Large electrical distribution cabinets and PLC control panels integrate 16mm metal indicators to monitor multi-channel power status.

2. Outdoor Power and Renewable Energy Distribution: Outdoor installations face permanent exposure to solar radiation, precipitation, and extreme thermal fluctuations. Renewable energy charging piles utilize flat and convex metal status indicators where flashing blue or green indicates active charging, solid light indicates completion, and flashing red signals ground faults or leakage currents. IP67 sealing protects against weather extremes and public vandalism.

3. Rail Transit, Engineering Vehicles, and Marine Equipment: Mobile machinery and marine vessels endure severe mechanical shocks and high-salinity corrosive atmospheres. Construction machinery dashboards utilize metal indicators for oil pressure, coolant temperature, and brake status monitoring. Marine control boxes incorporate corrosion-resistant metal indicators paired with silicone O-rings to prevent saltwater intrusion.

4. Commercial Vending and Access Control Systems: Publicly accessible equipment requires robust vandal-resistant components. Self-service ticketing kiosks and outdoor security intercom panels utilize metal indicators to clearly signify operational readiness and access authorization.

Application of FILN indicator lights in industrial equipment

LED Indicator Color Meanings & Application Guide

Signal light colors communicate critical equipment states to machine operators. Standard engineering conventions assign specific operational meanings to red, green, yellow, blue, and white indicators across industrial control panels.

Color Common Industrial Meaning Typical Equipment Status Typical Application
Red Danger, Alarm, Emergency Stop Fault, Shutdown, Overload E-Stop buttons, alarm panels
Green Normal, Safe, Ready Operating normally, Power ON Main power status, run indicators
Yellow / Amber Caution, Warning, Standby Abnormal condition, standby Temperature warning, pause state
Blue Mandatory Action, Information Active process, charging mode EV charging piles, cooling systems
White Neutral, General Status Circuit energized, illumination General control power indicator

Note: Indicator color conventions can vary by equipment manufacturer, control system design, and regional industry standards. FILN offers single-color, dual-color, and tri-color indicator configurations to suit custom system requirements.

Step-by-Step Installation Guide

Proper mechanical installation ensures IP67 sealing performance and long-term structural stability on industrial control panels.

  1. Preparation: Gather required tools including a precision drill, 16mm hole punch or step drill, wire strippers, and a torque wrench.
  2. Panel Machining: Drill or punch a clean 16mm mounting hole in the target metal or composite control panel. Ensure the mounting surface is flat and burr-free.
  3. O-Ring Placement: Slide the provided silicone waterproof O-ring onto the threaded body of the indicator light before insertion.
  4. Component Insertion: Insert the indicator housing from the front side of the control panel through the 16mm mounting cutout.
  5. Securing: Thread the metal hex locking nut onto the rear of the indicator body and tighten securely against the back of the panel to compress the O-ring.
  6. Electrical Wiring: Connect the power supply leads to the 2pin pin terminals using appropriate insulated receptacles, quick-disconnects, or soldered connections.
  7. Post-Installation Inspection: Verify mechanical rigidity, check that the indicator is seated straight, and test electrical continuity before energizing the control system.
FILN indicator light installation procedure on control panel

Electrical Wiring & Termination Guide

Understanding proper wiring methods is vital for ensuring reliable circuit connections and operator safety in industrial electrical installations.

Pin Terminal Indicators (FL1M-16SJ-1): This model features two exposed conductive metal pins (2PIN). Technicians can connect wires using insulated quick-disconnect receptacles, direct soldering with lead-free electrical solder, or wrapping stranded wire securely around the terminal and protecting the joint with heat-shrink tubing or electrical tape. Ensure adequate mechanical strain relief is applied to prevent wire fatigue in high-vibration environments.

Wire Lead Indicators: Indicators supplied with pre-attached wire leads simplify installation by eliminating terminal soldering. Wire leads can be joined to control circuits using spring-clamp terminal blocks, quick-link connectors, or soldered splices insulated with waterproof heat shrink.

Safety Warning: Always disconnect main power supplies and verify zero voltage with a calibrated multimeter before performing any electrical wiring or maintenance operations.

Industry Knowledge & Engineering Best Practices

Industrial signal lights serve as critical human-machine interface (HMI) elements that communicate system states, prevent operator error, and ensure compliance with machinery safety directives. Selecting appropriate components requires evaluating electrical parameters, environmental ingress protection, and mechanical durability.

Engineering standards dictate that indicator colors must conform to international safety color codes to prevent confusion during emergency conditions. Furthermore, selecting metal-bodied indicators over plastic alternatives in harsh manufacturing environments significantly reduces downtime caused by mechanical impact, chemical corrosion, and UV degradation.

Buyer Decision Guide & Material Selection

Choosing the correct metal indicator light involves analyzing environmental exposure, mechanical constraints, and electrical requirements. FILN manufactures metal indicators in multiple shell materials to match specific application demands.

Shell Material Advantages Limitations Recommended Environment
Brass Nickel-Plated High mechanical strength, excellent machinability, cost-effective Moderate corrosion resistance in saline environments General industrial machinery, indoor control panels
Stainless Steel Superior corrosion resistance, aesthetic finish, extreme durability Higher material cost Marine equipment, food processing, medical devices
Zinc-Aluminum Alloy Lightweight, durable, excellent plating adherence Lower tensile strength than stainless steel Commercial appliances, automation control boxes

RFQ (Request for Quotation) Checklist

When requesting a quotation or engineering sample from FILN, please provide the following specification details to ensure rapid and accurate technical evaluation:

  • Product Series & Model Number (e.g., FL1M-16SJ-1)
  • Mounting Hole Size (e.g., 16mm)
  • Operating Voltage & Current Type (AC/DC 12V, 24V, 110V, 220V, etc.)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type (Convex, Flat, Recessed)
  • Shell Material (Brass nickel-plated, Stainless steel, Zinc-aluminum)
  • Wiring Method (2PIN Pin Terminals or Wire Leads with specified length)
  • Ingress Protection Requirement (IP65 / IP67)
  • Required Certifications (UL, CE, RoHS, VDE)
  • Order Quantity & Target Delivery Schedule

FILN Manufacturing & Engineering Capabilities

Yueqing Yulin Electronic Co., Ltd. (operating under the global brand name FILN) was established in Wenzhou, Zhejiang in 2006 as a professional electrical switch manufacturer integrating research, development, production, and sales. FILN operates a modern 10,000 square meter manufacturing facility equipped with over 20 advanced automated production lines and an independent testing laboratory. Driven by rigorous scientific processes and the ISO9001 quality management system, FILN delivers industry-leading electrical performance and product innovation.

Our certified product portfolio—including indicator lights, pushbutton switches, rocker switches, and toggle switches—is deployed across more than 100 countries worldwide. FILN products hold prestigious international safety certifications including UL (Certificate Number: E498776), CE, VDE, RoHS, SGS, ISO9001, CCC, and TUV. These components serve critical applications in household kitchen appliances, energy storage systems, EV charging infrastructure, automotive electronics, marine equipment, and industrial security systems.

Manufacturing Advantages & Engineering Support: FILN provides direct access to professional application engineers skilled in resolving complex custom design challenges. Whether developing custom wire harnesses, specialized operating voltages, or bespoke OEM branding, our factory supports flexible batch sizes from custom prototyping to high-volume mass production.

FILN company overview and R&D facilities
FILN electronic components manufacturing workshop

Frequently Asked Questions

How to prevent phantom illumination (faint glowing) in 12v LED indicators?

Phantom illumination or faint glowing in 12v LED indicators is typically caused by leakage current from solid-state controller outputs, Triacs, or long parallel cable runs acting as capacitors. This can be resolved by installing a suitable bleed resistor (resistor parallel to the indicator input) to drain residual stray currents or by ensuring the control switch interrupts the active line completely.

Can this IP67 indicator light be washed down with caustic chemicals?

The FL1M-16SJ-1 metal indicator light features an IP67 rating and a copper alloy shell, making it resistant to water jets and dust. However, when exposed to harsh caustic cleaning chemicals in food processing or medical environments, we recommend selecting our stainless steel shell variant to prevent plating degradation over extended chemical washdown cycles.

What is the difference between pin terminal and wire lead indicator models?

Pin terminal indicators (such as the FL1M-16SJ-1) feature exposed metal pins requiring quick-disconnect receptacles or soldering, offering modular wiring flexibility. Wire lead models come with pre-attached insulated cables, saving assembly time and providing enhanced moisture resistance right out of the box.

Is the FL1M-16SJ-1 indicator certified for international export?

Yes. FILN holds official UL safety certification for its indicator series under certificate number E498776, alongside CE, VDE, RoHS, and ISO9001 compliance, facilitating smooth regulatory approval for equipment exported to North America, Europe, and global markets.

Can FILN customize the operating voltage for specific industrial machinery?

FILN specializes in OEM/ODM custom manufacturing. While standard models cover voltages from 3V to 240V AC/DC, our engineering team can configure custom internal resistance networks to support specialized operating voltages up to 480V upon request.

What panel thickness is compatible with the 16mm metal indicator?

The threaded body and single-nut mounting mechanism are engineered to accommodate standard industrial control panel thicknesses ranging from 1mm up to 6mm. For thicker panels, custom threaded shaft lengths are available upon request.

How do I secure a commercial quotation or request engineering samples?

You can request samples and formal wholesale quotations directly by emailing our sales and engineering team at inquiry@cnylin.com.cn. Please include your required voltage, LED color, quantity, and application environment for prompt assistance.

What is the typical lifespan of the integrated LED element?

The high-brightness LED semiconductor utilized in FILN metal indicators is rated for a continuous working lifespan between 50,000 and 100,000 hours under standard electrical operating parameters and recommended ambient temperatures.


24 Volt Indicator Light 16mm Recessed Metal LED Panel Pilot Lamp | FILN

Executive Summary

The FILN 24 volt indicator light is a robust industrial-grade status signal device engineered for control panel builders, electrical engineers, and original equipment manufacturers. Featuring a standardized 16mm mounting hole and a durable metal construction, this 2-pin terminal pilot lamp provides clear visual status feedback across industrial automation, electrical machinery, and control cabinets. As a direct manufacturer, FILN supports comprehensive OEM and ODM customization for bulk wholesale procurement, offering flexible voltage options and reliable factory-direct supply.

Procurement managers and system integrators can request custom configurations, technical datasheets, 3D STEP models, or bulk wholesale quotations directly through our engineering support team to streamline industrial integration.

16MM 12v red led ip67 metal signal indicator light

Key Takeaways

  • Constructed with a durable metal shell (copper alloy or zinc-aluminum alloy) providing superior impact resistance compared to standard plastic indicators.
  • Engineered specifically for a 16mm mounting hole diameter, allowing seamless integration into standard industrial control panels.
  • Operates reliably on a 24 volt indicator light circuit, with customizable voltage ratings ranging from 3V to 480V DC/AC.
  • Features secure 2-pin plug-in terminals for dependable electrical connections and straightforward wiring.
  • Equipped with a recessed head design where the central luminous area is slightly depressed, ensuring bright and distinct visibility.
  • Achieves IP67 waterproof and dustproof protection when installed with the included silicone sealing O-ring and stainless steel plum blossom gasket.
  • Available in multiple high-visibility LED color options including Red, Green, Yellow, Blue, and White.
  • Backed by strict manufacturing quality controls and international compliance standards including UL certificate number E498776, CE, VDE, RoHS, ISO9001, and CCC.
  • Designed for diverse industrial applications including electrical equipment, experimental apparatus, power distribution cabinets, new energy systems, marine switchboards, and automotive modifications.
  • Supported by direct factory manufacturing, offering robust wholesale supply, sample support, and custom engineering collaboration for global OEMs.

What is a 24 Volt Indicator Light?

A 24 volt indicator light is an essential electrical status display device used to communicate operating conditions, machine modes, and power states across industrial control systems. FILN manufactures a comprehensive range of industrial indicator lights available in both metal and plastic body configurations. Standard mounting diameters range from 6mm to 30mm, catering to diverse panel thickness requirements and space limitations. Depending on installation and wiring preferences, buyers can select between pin-terminal configurations and direct wire-lead models. Metal indicator lights are manufactured with flat, prominent, or recessed head geometries, allowing engineers to match the aesthetic and functional visibility requirements of their specific application environment.

The recessed head design features a protected luminous center that prevents accidental contact while delivering clear, directional signaling. FILN produces these components using advanced metal machining and automated assembly lines to ensure uniform housing integrity and long-term operational reliability.

FILN Metal Indicator Light Assortment

Product Overview

The FILN metal indicator light functions as a reliable visual interface for electrical circuits, translating electrical signals into clear optical status indications. Mechanically, the assembly consists of a precision-machined metal outer shell, an internal PA66 lamp holder, a high-brightness LED luminescent source, a stabilizing carbon film resistor, and a secure mounting nut tightened against a silicone O-ring. Electrically, when voltage is applied across the 2-pin terminals, current passes through the internal resistance network to drive the solid-state LED chip while maintaining optimal thermal and electrical parameters.

Industrial advantages include superior resistance to mechanical shock, vibration tolerance, and enhanced thermal dissipation compared to traditional plastic alternatives. This 24 volt indicator light is widely deployed in heavy machinery, power distribution panels, and automation infrastructure where equipment uptime is critical. Verified compliance with international quality benchmarks ensures seamless integration into export-bound industrial machinery.

Explore our complete catalog of industrial pilot lights: View All Metal Indicator Lights | Discover the exact product specification page: Official 16mm Product Page | Access a broader selection of 16mm variants: More 16mm Metal Indicator Lights

Quick Specifications

Technical Parameter Specification Detail
Description Metal indicator light with wires / 24 volt indicator light
Model Number FL1M-16CJ-1
Mounting Hole 16mm (0.63 inch)
Rated Voltage 3V – 480V DC/AC (Customizable voltage available)
LED Color Red / Green / Yellow / Blue / White (R/G/Y/B/W)
Waterproof Rating IP65 / IP67
Wiring Type 2PIN plug-in pin terminal (Alternative wire lead available)
Head Type Recessed head
Surface Quality Smooth, flat finish without burrs, oxidation, or surface cracks.
Assembly Standard Head and base assemblies securely fitted; zero rotation, detachment, skew, or deformation.

Performance Parameters

Performance Parameter Technical Specification
Rated Working Voltage 3V – 240V DC/AC (Customizable upon request)
AC Frequency 50Hz ~ 60Hz
Rated Working Current ≤ 20mA
Rated Power Approx. 0.2W
Insulation Resistance ≥ 100MΩ (tested between wire and shell at DC 500V)
Dielectric Strength 1500V ~ 1800V AC, with no breakdown or flashover
Working Life 50,000 ~ 100,000 hours
Waterproof Rating IP67

Component Materials

Every component of the 24 volt indicator light is selected for optimal mechanical strength, corrosion resistance, and electrical insulation. The following material specification table outlines the exact composition of each structural part:

Accessory Name Material Composition Engineering Purpose
Shell Copper alloy / Zinc-aluminum alloy (black plated) Provides mechanical rigidity and impact protection.
Lamp Holder PA66 (Polyamide 66) Ensures high thermal resistance and electrical insulation.
Lampshade PC (Polycarbonate) Maximizes light diffusion and UV resistance.
Luminescent Source High-brightness LED Delivers energy-efficient optical output.
Resistance Carbon film resistance Regulates current across varying voltage inputs.
Wireway PVC Offers flexible insulation for lead-wire variants.
Nut Copper alloy Secures tight panel mounting without stripping.
O-ring Silica gel Provides waterproof and dustproof environmental sealing.
Plum Blossom Gasket Stainless steel Prevents loosening under continuous machine vibration.

Environmental Performance

This specification governs the general operational range of the FILN metal indicator light series, ensuring reliable performance in demanding industrial environments.

Test Parameter Test Condition & Specification
Application Range General use range for metal indicator light series.
Operating & Storage Temperature -40°C ~ +80°C
Operating Relative Humidity ≤ 85% at +40°C
High Temperature Test 96 hours at 80 ± 2°C
Low Temperature Test 96 hours at -40 ± 2°C
Constant Temperature & Humidity Test 96 hours at 40 ± 2°C, 90% ~ 95% RH
Temperature Cycling Test Alternate between -40°C (30 min) and 85°C (30 min), 5 cycles total

LED Specification & Electrical Parameters

To ensure circuit compatibility and optical performance, electrical engineers should reference the absolute maximum ratings and electro-optical characteristics of the internal LED assembly.

1. Absolute Maximum Rating

  • Max Forward Current (IFP): 20 mA
  • Reverse Voltage (VR): 5 V
  • Power Dissipation (PD): 60 mW
  • Operating Temperature (TOPR): -40°C ~ +80°C
  • Storage Temperature (TSTG): -40°C ~ +100°C
  • Lead Soldering Temperature (TSOL): Max. 260°C for 3 sec max.

2. Electro-Optical Characteristics (Ta = 25°C)

Parameter Test Condition Specification Range / Value
Forward Voltage (VF) IF = 20mA 2.8V (Min) ~ 3.2V (Max)
Reverse Current (IR) VR = 5V ≤ 5μA (Max)
Viewing Angle (2θ1/2) IF = 20mA 60° (Typical)
Luminous Intensity IF = 20mA 500mcd (Min) ~ 800mcd (Max)
Recommended Working Current (IF) Typical operation 20mA
Dominant Wavelength IF = 20mA 520nm ~ 525nm (for green variant)
Junction Temperature (Tj) IF = 20mA 125°C (Max)
Thermal Resistance (RJP) IF = 20mA 8°C/W (Typical)

Standard Test Conditions

Unless otherwise specified, all electrical and optical parameters are measured under the following standard atmospheric test conditions:

  • Ambient Temperature: 5°C ~ 35°C
  • Relative Humidity: 45% ~ 85%
  • Air Pressure: 86 ~ 106 kPa (860 ~ 1060 mbar)

Measurement Notes: Luminous intensity and dominant wavelength are calibrated in accordance with CIE international standards for the human eye response curve. Tolerance for luminous intensity measurement is ±15%, and voltage measurement tolerance is ±0.1V.

Applications by Industry

The FILN metal indicator light utilizes a high-strength copper alloy or stainless steel metal shell, delivering exceptional impact resistance and an IP67 waterproof and dustproof rating suitable for demanding industrial and commercial environments. While traditional plastic indicators are prone to aging, cracking, and high-temperature deformation over prolonged use, metal indicator lights excel in harsh operating conditions, frequent operation scenarios, and high-reliability deployments. Typical application sectors include:

1. Industrial Automation & Machinery Manufacturing

This sector represents the core deployment area for metal indicator lights. Workshops often feature continuous mechanical vibration, cutting fluids, oil mist, and physical impact risks.

  • CNC Machine Tools & Machining Centers: Control panels utilize red, yellow, and green metal indicators where green signifies normal operation, yellow denotes standby or warning, and red indicates emergency stop or system fault. Metal housings resist cutting fluid and metallic debris corrosion.
  • Automation Production Line Control Cabinets: Large power distribution cabinets and PLC control panels integrate 6mm and 8mm metal indicators compatible with AC220V and DC24V supplies to display circuit status clearly.
  • Hydraulic & Pneumatic Equipment: Deployed for oil pump start/stop and pressure limit alerts. The integrated internal wiring and robust LED mounting prevent wire breakage or loosening under severe mechanical vibration.

2. Outdoor Power & Renewable Energy Distribution Systems

Outdoor electrical installations endure extreme weather, intense sunlight, and wide temperature swings, demanding superior weatherability and sealing performance.

  • EV Charging Piles: Outdoor DC and AC charging stations incorporate flat metal status indicators where flashing blue/green indicates charging, steady illumination means fully charged, and flashing red warns of ground faults. IP67 sealing prevents moisture ingress during high-frequency public usage.
  • Outdoor Distribution & Photovoltaic Combiner Boxes: Solar farms and municipal outdoor cabinets rely on these indicators to display high-voltage closing and inverter status across an operating range of -40°C to +80°C.

3. Rail Transit, Engineering Vehicles & Marine Equipment

Vehicles and marine vessels experience continuous shock and vibration, while maritime environments expose equipment to aggressive salt spray corrosion.

  • Engineering Vehicle Dashboards: Excavators, cranes, and bulldozers utilize panel indicators for oil pressure, water temperature, lighting, and braking fault alerts under dusty and high-vibration conditions.
  • Marine & Port Control Equipment: Ship cabin instruments and deck control consoles use electroplated stainless steel indicators to resist saltwater corrosion, supported by silicone O-rings that prevent moisture penetration.

4. Commercial Self-Service Equipment & Public Infrastructure

Public-facing devices are susceptible to physical impact and vandalism, making durable metal fixtures mandatory.

  • Vending & Ticketing Machines: Paired with metal anti-vandal switches to display coin insertion, dispensing, and change status.
  • Gas Station Fuel Dispensers: Meets hazardous area electrical requirements with metal housings providing reliable electrical isolation.
  • Outdoor Intercoms & Access Control: Stainless steel access panels feature red and green indicators to denote locked and unlocked states.

5. Medical Equipment & Food Processing Machinery

These industries require frequent chemical washdowns and strict sterilization standards.

  • Food Filling & Packaging Lines: Subjected to daily high-pressure hot water and chemical washdowns; IP67 metal indicators withstand spray jets without internal corrosion.
  • Medical Sterilization Autoclaves: High-temperature and high-pressure sterilizers utilize indicators to differentiate heating, sterilization, and exhaust phases.
FILN Indicator Light Industrial Applications

LED Indicator Color Meanings and Application Guide

Indicator light colors convey critical operational states to machine operators and maintenance personnel. Below is an engineering guide to the five primary industrial colors:

1. Red

  • Industrial Meaning: Danger, emergency, alarm, or abnormal condition.
  • Typical Status: Emergency stop engaged, thermal overload tripped, or pressure limit exceeded.
  • Recommended Use: Safety-critical halt conditions requiring immediate operator intervention.

2. Green

  • Industrial Meaning: Normal operation, safe condition, or system ready.
  • Typical Status: Main power active, spindle running normally, or cycle completed successfully.
  • Recommended Use: Indicating normal, healthy equipment states.

3. Yellow / Amber

  • Industrial Meaning: Caution, warning, abnormal parameter approaching limit, or standby.
  • Typical Status: Coolant level low, pre-heating cycle active, or minor system warning.
  • Recommended Use: Alerting personnel to monitor conditions before a fault occurs.

4. Blue

  • Industrial Meaning: Mandatory action, specific instruction, or operational mode status.
  • Typical Status: Charging in progress (EV chargers) or auxiliary cooling fan active.
  • Recommended Use: Neutral status indication that does not imply safety or danger.

5. White

  • Industrial Meaning: General power ON, system energized, or neutral status.
  • Typical Status: Control cabinet main breaker closed.
  • Recommended Use: General illumination or basic power presence confirmation.

Note: Indicator-light color conventions can vary by equipment manufacturer, control-system design, industry standard, country, and application. FILN offers single-color, dual-color, and tri-color indicator configurations to accommodate custom electrical designs.

Installation Guide

Proper mechanical and electrical installation ensures the 24 volt indicator light maintains its IP67 waterproof rating and long operational lifespan. Follow these standardized installation steps:

  1. Preparation & Tools: Gather a punch tool, calibrated drill with a 16mm hole saw or step bit, wire strippers, and a torque wrench. Ensure electrical power to the control panel is completely locked out and tagged out.
  2. Panel Hole Machining: Drill a clean 16mm circular mounting hole in the control panel surface. Deburr the hole edges thoroughly to prevent scratching the O-ring seal.
  3. O-Ring Placement: Slide the silicone waterproof O-ring onto the threaded body of the indicator light from the front.
  4. Insertion: Insert the metal indicator light from the exterior front side of the panel through the 16mm hole.
  5. Rear Securing: Place the stainless steel plum blossom gasket and the copper alloy mounting nut onto the threaded barrel from the rear of the panel. Tighten the nut securely to compress the silicone O-ring, achieving IP67 sealing.
  6. Electrical Wiring: Connect the 24V supply lines to the 2-pin terminals using insulated quick-disconnect receptacles or soldered connections with protective heat shrink tubing.
  7. Post-Installation Inspection: Verify mechanical rigidity, check that the indicator is aligned without skewing, and test electrical functionality before commissioning the equipment.
FILN Indicator Light Installation Procedure

Wiring Guide

Understanding connection methods for pin-type versus wire-lead indicators ensures electrical safety and long-term joint stability.

Pin-Terminal vs. Wire-Lead Configurations

Terminal Type Advantages Best Application Range
2-Pin Terminal (FL1M-16CJ-1) Modular, easy maintenance, compatible with quick-disconnect push-on connectors. Standard industrial control panels where wiring harnesses are serviced modularly.
Wire-Lead Type (FL1M-16CW-1) Pre-sealed wire entry, excellent moisture resistance, saves assembly time. View 16mm Wire-Lead Indicator FL1M-16CW-1, ideal for high-moisture or tight-space enclosures.

Wiring Instructions: Pin-terminal indicators utilize standard push-on terminals or soldered connections. Direct wire-lead indicators can be connected to the main circuit using quick-link wire connectors, soldered joints, or wrapped with electrical tape, ensuring absolute joint stability and insulation. Safety Notice: Always disconnect electrical power and verify zero energy state before performing any wiring operations.

Industry Knowledge Center

Industrial indicator lights operate on solid-state LED technology combined with internal dropping resistors. Selecting the correct voltage rating (such as a dedicated 24 volt indicator light) prevents under-voltage dimming or over-voltage thermal degradation. Maintenance teams should periodically inspect panel gaskets for compression set and verify that terminal connections remain free of oxidation in corrosive environments. For phantom illumination issues caused by PLC leakage current, adding a parallel bleeder resistor typically resolves faint glowing.

Buyer Decision Guide & RFQ Checklist

When selecting metal indicator lights, engineers must evaluate mounting hole dimensions, operating voltage compatibility, environmental protection ratings, and shell materials.

Metal Shell Material Comparison

Material Type Advantages Disadvantages Typical Environment
Nickel-Plated Brass Cost-effective, good mechanical strength, excellent corrosion resistance. Heavier than alloy alternatives. Standard industrial control panels and machinery.
Stainless Steel Superior corrosion resistance, premium aesthetics, extreme durability. Higher raw material cost. Marine environments, food processing, medical devices.
Zinc-Aluminum Alloy Lightweight, easily cast into complex forms, excellent surface plating. Lower tensile strength than stainless steel. General automation cabinets and commercial appliances.

RFQ Information Checklist

Providing these specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements more efficiently:

  • Product Type & Model (e.g., FL1M-16CJ-1)
  • Mounting Hole Size (e.g., 16mm)
  • Operating Voltage & Current Type (AC/DC, e.g., 24V)
  • LED Color (Red, Green, Yellow, Blue, White)
  • Head Type & Shell Material
  • Waterproof Requirement (IP65 / IP67)
  • Wiring Method (2-Pin Terminal or Wire Leads with length)
  • Target Market & Expected Delivery Date

FILN Manufacturing and Engineering Capabilities

FILN operates as a dedicated industrial electrical component manufacturer with advanced R&D, precision tooling workshops, and automated assembly lines. Our engineering department provides robust OEM and ODM custom solutions, supporting global clients with rigorous quality control, electrical testing, and rapid sample prototyping. Whether you require custom wire harnesses, specialized operating voltages, or unique laser-etched symbols, FILN delivers reliable factory-direct engineering support.

FILN Manufacturing Facility and Engineering Team

Factory Direct Supply

Yueqing Yulin Electronic Co., Ltd., operating under the brand name FILN and located in Wenzhou, Zhejiang, was established in 2006 as a professional electrical switch manufacturer integrating research, development, production, and sales. Premium FILN brand products are distributed across more than 100 countries worldwide. FILN operates a modern 10,000 m² manufacturing facility equipped with 20+ advanced production lines and an independent testing laboratory. Driven by rigorous scientific processes and the ISO9001 quality management system, FILN ensures consistent innovation and superior electrical performance.

Our certified product lineup—including UL (Certificate No. E498776), CE, VDE, RoHS, ISO9001, CCC, and IP67 ratings—is widely utilized in home kitchen appliances, energy storage systems, EV charging infrastructure, automotive modifications, marine switchboards, and security systems. We specialize in miniature electrical components such as indicator lights, push button switches, rocker switches, and toggle switches, alongside fully customized production solutions.

  • Core Product Lines: Indicator lights, push button switches, rocker switches, toggle switches, and customized small electrical components.
  • Quality Certifications: ISO9001, CE, VDE, RoHS, SGS, UL (E498776), IP65/IP67, TUV, CCC.
  • Global Export Markets: Supplied internationally across North America, Europe, Australia, and Asia.
  • Manufacturing Advantages: Professional engineering collaboration dedicated to solving complex custom application challenges.

Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn

FILN Electronic Components Manufacturing Workshop

Frequently Asked Questions

How to prevent phantom illumination (faint glowing) in 24V LED indicators?

Phantom illumination often occurs when residual leakage current from solid-state PLC outputs or long control wire capacitance energizes the low-power LED. Installing an appropriately sized parallel bleeder resistor across the indicator terminals bypasses the leakage current and resolves the faint glowing issue.

Can this IP67 indicator light be washed down with caustic chemicals?

Yes, the stainless steel or copper-alloy nickel-plated shell combined with a silicone O-ring provides IP67 protection, making the indicator resistant to standard industrial washdowns and chemical cleaning agents commonly used in food processing and medical equipment.

What is the mounting hole diameter required for model FL1M-16CJ-1?

This indicator light requires a standard 16mm (0.63 inch) circular mounting hole drilled into control panels with a recommended panel thickness range suitable for secure single-nut fastening.

What voltage options are available for this metal indicator light?

While optimized as a 24 volt indicator light, FILN offers customizable voltage ratings ranging from 3V up to 480V DC/AC to match specific industrial power distribution requirements.

Does FILN provide UL certification for these indicator lights?

Yes, FILN holds UL certification under certificate number E498776, alongside CE, VDE, RoHS, ISO9001, and CCC compliance for international industrial deployments.

What is the difference between pin-terminal and wire-lead indicator models?

Pin-terminal indicators (such as the 2-pin FL1M-16CJ-1) use modular push-on connectors for easy maintenance, whereas wire-lead models feature factory-attached cables that provide enhanced moisture resistance and simplified wiring in tight spaces.

How do I request custom wire harnesses or specific cable lengths?

OEM buyers can request customized wire lengths, pre-attached connectors, or custom terminal types by contacting our engineering team directly via email at inquiry@cnylin.com.cn.

What is the typical operating lifespan of the internal LED light source?

The high-brightness solid-state LED luminescent source provides a working life ranging from 50,000 to 100,000 hours under standard operating conditions.

Are samples available for engineering evaluation prior to bulk purchase?

Yes, FILN supports sample requests for engineering evaluation and prototyping. Contact our sales team to arrange sample shipments for your upcoming projects.

How should I secure the indicator light to ensure waterproof sealing?

Insert the silicone O-ring between the front bezel and the panel surface, then tighten the rear mounting nut securely against the stainless steel plum blossom gasket to compress the seal and achieve IP67 protection.