Key Takeaways & Buyer Decision Guide
- Product Identity: FL1M-14SJ-1 14mm high head metal led signal lamps designed for professional industrial control panels.
- Electrical Versatility: Supports customizable operating voltages from 3V to 480V AC/DC to match diverse power configurations.
- Robust Construction: Copper alloy and zinc-aluminum metal shell construction offers superior impact resistance over standard plastic indicators.
- Protection Rating: IP65 waterproof rating achieved via included silicone sealing O-rings and precise single-nut panel mounting.
- Termination Type: 2-pin terminal configuration enables secure soldering or quick-disconnect electrical connections.
- Optical Performance: High-brightness LED light source available in Red, Green, Yellow, Blue, and White color options.
- Verified Compliance: Certified under UL (Certificate No. E498776), CE, VDE, RoHS, ISO9001, and CCC standards.
- Procurement Support: Direct factory wholesale pricing, OEM customization, and comprehensive engineering support available for bulk buyers.
What Is FL1M-14SJ-1 Metal LED Signal Lamps
The FL1M-14SJ-1 represents a precision-engineered class of 14mm high head metal led signal lamps manufactured by FILN. These industrial status indicators serve the primary function of visually communicating operational states, power conditions, and fault warnings across complex electrical systems. Constructed with a rigid metallic housing and high-efficiency internal LED illumination, these signal lamps deliver exceptional structural integrity and long operating lifespans.
FILN produces indicator lights in a wide spectrum of configurations, offering both metal and plastic body classes, mounting sizes ranging from 6mm to 30mm, and versatile connection types including solder pin terminals and pre-wired wire leads. Metal indicator variants are available in flat head, prominent high head, and recessed head geometries to match specific mechanical design constraints and aesthetic requirements. Indicator lights are widely utilized across industrial machinery, laboratory instruments, power distribution cabinets, new energy infrastructure, marine vessels, and custom automotive modifications.
Product Overview & Engineering Principles
FILN metal led signal lamps operate by converting electrical energy into clear, highly visible optical status signals through integrated semiconductor light-emitting diodes. Mechanically, the unit relies on a threaded cylindrical barrel locked securely into a standard 14mm panel aperture via an engineered hex nut and high-grade silicone sealing gasket. Electrically, internal current-limiting carbon film resistors condition the input voltage, protecting the diode junction across broad voltage thresholds spanning from 3V to 480V.
Industrial advantages include superior resistance to mechanical shock, vibration isolation, thermal stability, and effective electromagnetic compatibility. These attributes prevent housing deformation and lens cracking commonly experienced in standard commercial plastic indicators. Certified under rigorous international standards, these signal lamps provide dependable status feedback in high-cycle automation environments, heavy-duty commercial equipment, and mission-critical power distribution networks.
Quick Technical Specifications
| Product Description |
Metal LED Signal Lamps / 2-Pin Terminal Indicator |
| Indicator Model |
FL1M-14SJ-1 |
| Mounting Hole Size |
14mm (0.551 inch) |
| Operating Voltage |
3V – 480V DC/AC (Customizable) |
| LED Color Options |
Red / Green / Yellow / Blue / White (R/G/Y/B/W) |
| Waterproof Rating |
IP65 (with included silicone sealing O-ring) |
| Wiring Type |
2-Pin Solder / Plug-in Pin Terminal |
| Head Feature |
High Head / Prominent Round Head |
| Surface Finish |
Smooth, flat, burr-free, oxidation-resistant finish |
| Assembly Standard |
Head assembly locked securely to base without rotation, looseness, or skew |
Performance Parameters
| Rated Working Voltage |
3V – 480V DC/AC (Customizable per client specifications) |
| AC Frequency |
50Hz ~ 60Hz |
| Rated Working Current |
≤20mA |
| Rated Power Consumption |
Approx. 0.2W |
| Insulation Resistance |
≥100MΩ (tested between wire and shell at DC 500V) |
| Dielectric Strength |
1500V ~ 1800V AC, no breakdown or flashover |
| Operational Working Life |
50,000 to 100,000 hours |
| Ingress Protection Rating |
IP65 Waterproof & Dustproof |
Component Materials & Engineering Purpose
| Accessory Name (Accessory) |
Material Specification |
Engineering Purpose & Advantage |
| Shell / Housing |
Copper Alloy / Zinc-Aluminum Alloy (Black Plated optional) |
Provides rugged impact resistance, mechanical rigidity, and corrosion protection. |
| Lamp Holder |
PA66 Polyamide |
Offers excellent thermal resistance, flame retardancy, and structural insulation. |
| Lampshade / Lens |
Polycarbonate (PC) |
Ensures high optical clarity, light transmission, and impact resistance. |
| Luminescent Source |
High-Brightness LED Chip |
Delivers energy-efficient illumination with long operating lifespan. |
| Internal Resistance |
Carbon Film Resistance |
Accurately steps down operating voltage to protect the internal LED junction. |
| Locking Nut |
Copper Alloy |
Ensures secure, vibration-resistant thread engagement on control panels. |
| O-Ring Gasket |
Silica Gel (Silicone) |
Creates a reliable watertight and dustproof seal achieving IP65 protection. |
| Plum Blossom Gasket |
Stainless Steel |
Prevents loosening under continuous mechanical vibration. |
Environmental Performance Specifications
This specification applies to general operating ranges for FILN metal led signal lamps.
| Part Name |
Metal Indicator Light (FL1M-14SJ-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 |
Alternate between -40℃ (30 min) and 85℃ (30 min), 5 cycles total |
LED Technical Specifications
1. 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
- Lead-free Soldering Temperature (TSOL): Max. 260°C for 3 seconds max.
2. Electro-Optical Characteristics (Ta = 25℃)
| Parameter |
Test Condition |
Specification 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 Forward Current (IF) |
– |
20mA (typical) |
| Dominant Wavelength |
IF = 20mA |
520nm ~ 525nm (Green reference) |
| 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 the following 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 CIE international standards for the human eye response curve. Luminous intensity measurement tolerance 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 exceptional impact resistance and an IP65 waterproof and dustproof rating suitable for industrial and high-end commercial environments. While plastic indicators degrade, crack, and deform under high temperatures over time, metal signal lamps excel in harsh operating conditions requiring frequent operation and high reliability.
1. Industrial Automation & Machinery Manufacturing
This sector represents the primary application area for metal signal lamps operating under constant mechanical vibration, cutting fluids, and heavy debris.
- CNC Machine Tools & Machining Centers: Control panels utilize red, yellow, and green metal signal lamps where green indicates normal operation, yellow indicates standby, and red signifies emergency stop or fault status. Metal shells resist cutting fluids and metallic chips.
- Automation Production Line Cabinets: Large distribution and PLC control cabinets integrate 14mm signal lamps operating on AC 220V or DC 24V to display power status.
- Hydraulic & Pneumatic Equipment: Applied in pump start/stop and pressure warning indicators where robust internal lead fixation prevents wire detachment under heavy vibration.
2. Outdoor Power & New Energy Distribution Systems
Outdoor equipment subjected to intense UV exposure, precipitation, and extreme thermal fluctuations demands rigorous weather resistance.
- New Energy Charging Piles: Outdoor DC/AC charging stations feature high head metal status lamps where flashing blue/green indicates active charging and flashing red warns of ground faults.
- Outdoor Distribution & Solar Combiner Boxes: Solar farms and municipal distribution boxes utilize indicators rated for -40℃ to 80℃ operating ranges.
3. Rail Transit, Engineering Vehicles & Marine Equipment
Vehicles and marine vessels experience continuous impact shock and corrosive salt fog environments.
- Engineering Vehicle Dashboards: Excavators and cranes utilize dashboard indicators for oil pressure, coolant temperature, and brake status.
- Marine & Port Control Equipment: Bridge instruments and deck control boxes utilize metal signal lamps paired with silicone sealing gaskets to prevent saltwater ingress.
4. Commercial Vending & Public Access Systems
Public equipment vulnerable to impact and vandalism benefits from sturdy metal housings.
- Vending & Ticketing Machines: Paired with metal vandal-resistant buttons to display coin insertion and dispensing status.
- Gas Station Fuel Dispensers: Meets explosion-safety electrical isolation requirements in fuel-handling zones.
- Access Control & Intercom Panels: Stainless steel access panels use dual-color indicators to show door lock states.
5. Medical Equipment & Food Processing Machinery
Industries requiring frequent washdown and chemical sterilization demand high cleanliness standards.
- Food Filling & Packaging Machinery: Withstands daily high-pressure chemical washdowns without internal component corrosion.
- Medical Sterilization Autoclaves: Differentiates heating, sterilization, and exhaust cycles via clear optical signaling.
LED Indicator Color Meanings & Application Guide
Indicator light color conventions guide operator response across industrial control systems. FILN offers single-color, dual-color, and tri-color LED configurations.
| Color |
Common Industrial Meaning |
Typical Equipment Status |
Typical Application |
| Red |
Danger, Emergency, Alarm |
Fault, Stop, Overload, Shutdown |
Emergency stop buttons, error lights |
| Green |
Normal, Safe, Go |
Power ON, Running, Ready |
Main power status, running indicators |
| Yellow / Amber |
Attention, Caution, Warning |
Standby, Warning, Pre-check |
Standby mode, temperature alert |
| Blue |
Mandatory Action, Information |
Charging, Active mode |
EV charging piles, mode status |
| White |
Neutral, General Status |
Circuit energized, illumination |
Control cabinet illumination status |
Note: Color conventions can vary by manufacturer and industry standard. Always confirm system schematics before final panel commissioning.
Installation Guide
Proper installation ensures structural stability and IP65 waterproof sealing performance for the FL1M-14SJ-1 signal lamp.
- Prepare Tools: Gather a hole punch or drill, calibrated calipers, wire strippers, and a torque wrench.
- Panel Preparation: Drill or punch a precise 14mm circular mounting hole in the control panel sheet metal. Ensure the edge is deburred.
- Insert Product: Remove the rear locking nut and washer, then insert the metal indicator light body from the front side of the panel.
- Seal Placement: Ensure the silicone waterproof 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 to compress the O-ring and achieve IP65 sealing.
- Electrical Connection: Connect power leads to the 2-pin solder terminals securely using soldering or insulated quick-disconnect receptacles.
- Post-Installation Inspection: Verify mechanical rigidity, check for proper voltage input, and confirm bright optical output.
Wiring Guide & Terminal Comparison
Understanding connection types ensures reliable electrical integration for your indicator lamps.
Pin Terminal Wiring: 2-pin solder terminal indicators require wires to be soldered directly to the terminal pins or connected using specialized female receptacle crimp terminals. To ensure long-term mechanical stability, apply heat-shrink tubing over soldered connections to prevent accidental short circuits.
Wire Lead Terminal Wiring: Indicators equipped with pre-attached wire leads can be connected directly to circuit wiring using quick-connect spring terminals, wire nuts, soldered joints, or wrapped electrical tape to guarantee connection stability.
Safety Warning: Always disconnect main power supplies and verify zero energy state using a multimeter before performing any electrical wiring.
| Terminal Type |
Advantages |
Limitations |
Recommended Use Case |
| 2-Pin Solder Terminal (FL1M-14SJ-1) |
Compact profile, highly customizable wire attachment, secure permanent connection. |
Requires manual soldering or crimping tools during assembly. |
Industrial control panels, custom machinery, equipment build. |
| Wire Lead Terminal (FL1M-14SW-1) |
Plug-and-play installation, pre-sealed wire entry, saves assembly time. |
Fixed wire length unless custom ordered from factory. |
Automotive wiring, tight spaces, rapid installation environments. |
Industry Knowledge Center
Indicator lights serve as human-machine interface cornerstones across electrical infrastructure. Selecting proper operating voltages and robust metal housings mitigates equipment downtime caused by premature component failure. Maintenance technicians should periodically inspect panel mounting tightness and verify insulation resistance in high-humidity or corrosive operating environments. If phantom illumination (faint glowing caused by residual leakage currents in solid-state control outputs) occurs, integrating an appropriate parallel bleeder resistor typically resolves the issue.
Buyer Decision & RFQ Guide
When selecting industrial signal lamps, evaluating material construction ensures long-term operational reliability.
| Shell Material |
Key Advantages |
Limitations |
Recommended Environment |
| Nickel-Plated Brass |
High mechanical strength, cost-effective metal durability. |
Moderate corrosion resistance in saline environments. |
General industrial control panels, machinery. |
| Stainless Steel |
Superior corrosion resistance, high aesthetic finish. |
Higher material cost. |
Marine, medical, food processing equipment. |
| Zinc-Aluminum Alloy |
Lightweight, excellent die-cast precision. |
Less chemical resistance than stainless steel. |
Commercial appliances, automation cabinets. |
RFQ Specification Checklist
Providing the following details to FILN engineering and sales teams accelerates quotation and sample confirmation:
- Product Model & Series (e.g., FL1M-14SJ-1)
- Mounting Hole Size (14mm)
- Operating Voltage & AC/DC Type (3V to 480V)
- LED Color (Red, Green, Yellow, Blue, White)
- Head Type & Material
- Wiring Method (2-Pin Terminal or Custom Wire Length)
- Required Quantities & Packaging Requirements
- Target Market & Compliance Certifications Required
FILN Manufacturing & Engineering Capabilities
FILN operates as an established electrical component manufacturer providing robust research and development, custom OEM/ODM engineering, automated assembly, and stringent quality control testing. Direct manufacturer support enables global export capabilities, flexible small-batch sampling, and stable mass-production supply for industrial clients worldwide.
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 manufacturer integrating R&D, production, and sales, with premium products distributed in over 100 countries.
FILN operates a modern 10,000 m² manufacturing facility featuring 20+ advanced production lines and an independent testing laboratory. Driven by rigorous ISO9001 quality management systems, FILN ensures reliable electrical performance and innovation. Certified products (UL E498776, CE, RoHS, REACH, TUV, CB, VDE, CCC) serve kitchen appliances, energy storage systems, EV charging stations, automotive instrumentation, marine vessels, and industrial security systems.
Core Products: Indicator lights, push button switches, rocker switches, toggle switches, and custom electrical assemblies.
Global Export: Serving industrial markets worldwide.
Official Website: www.filn.com
Direct Email: inquiry@cnylin.com.cn
Frequently Asked Questions
1. How to prevent phantom illumination (faint glowing) in 12V LED indicators?
Phantom illumination can occur due to residual leakage currents from solid-state PLC outputs or control relays. Installing an appropriately rated parallel bleeder resistor across the indicator terminals absorbs leakage current and eliminates faint glowing when the circuit is switched OFF.
2. Can this IP65 indicator light be washed down with caustic chemicals?
The FL1M-14SJ-1 features a copper alloy shell and silicone O-ring seal rated to IP65, providing protection against dust and water jets. While suitable for standard industrial environments, prolonged exposure to aggressive caustic chemical washdowns should be evaluated with FILN engineering for customized stainless steel alternatives.
3. What mounting hole size is required for the FL1M-14SJ-1 signal lamp?
This model requires a precise 14mm (0.551 inch) circular mounting hole drilled into control panels or equipment enclosures with a maximum panel thickness compatible with single-nut threading.
4. Can FILN customize operating voltages beyond standard options?
Yes. As a direct manufacturer, FILN accommodates custom electrical specifications, supporting operating voltages ranging from 3V up to 480V AC/DC with integrated internal resistors.
5. What is the difference between 2-pin terminal and wire lead indicator models?
2-pin terminal models (such as FL1M-14SJ-1) require manual soldering or quick-disconnect crimping, offering compact profile flexibility. Wire lead models (such as FL1M-14SW-1) feature factory-attached wires for rapid plug-and-play installation.
6. Are FILN metal indicator lights certified for international markets?
Yes. FILN products carry extensive international compliance certifications including UL (Certificate No. E498776), CE, VDE, RoHS, ISO9001, and CCC standards.
7. How is waterproof sealing achieved during installation?
Waterproof sealing is achieved by placing the supplied silicone O-ring between the indicator bezel and the front panel surface, then securely tightening the rear metal locking nut.
8. What are the common LED color options available?
Standard LED colors include Red, Green, Yellow, Blue, and White (R/G/Y/B/W). Dual-color and tri-color configurations are also available upon request.
9. What is the typical lifespan of FILN LED indicator lamps?
FILN industrial LED indicator lamps provide a dependable operating life ranging from 50,000 to 100,000 hours under rated electrical conditions.
10. How can I request bulk wholesale pricing or custom OEM samples?
Procurement managers and engineers can contact the FILN sales and engineering team directly via email at inquiry@cnylin.com.cn to discuss custom specifications, 3D CAD models, and bulk quotation requirements.
