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.
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.
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:
- Prepare Tools: Gather a calibrated panel punch or drill, digital multimeters, wire strippers, and insulated crimp tools.
- 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.
- Insert Indicator Body: Remove the rear locking nut and washer, then insert the metal indicator light assembly from the front side of the panel.
- Position Silicone Gasket: Ensure the waterproof silicone O-ring is correctly seated between the indicator bezel and the front panel surface.
- Secure Fastener: Thread the metal locking nut onto the rear barrel and tighten securely using hand tools to prevent rotation without stripping threads.
- Connect Wiring: Attach matching wire leads to the 2PIN pin terminals (6.3mm width) via quick-disconnect terminals or soldering.
- Post-Installation Inspection: Verify circuit continuity and operating voltage with a multimeter before energizing the main power supply.
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.
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
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:
