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.

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.

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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

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Performance Parameters & Ratings

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.

Environmental Performance & Test Specifications

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

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.

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.

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.

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:

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.

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

Frequently Asked Questions