Key Takeaways for Procurement & Engineering
- Product Identity: The FILN 120vac indicator light (Model FL1M-14CJ-1) is a 14mm recessed metal pilot lamp designed for industrial applications.
- Electrical Compatibility: Operates at standard 120vac with customizable voltage ranges spanning 3V to 480V DC/AC.
- Material Composition: Built with a durable copper alloy or zinc-aluminum alloy shell, PA66 lamp holder, and PC lampshade.
- Protection Rating: Features IP67 water and dust resistance when installed correctly with the included silica gel O-ring.
- Mounting Specification: Requires a 14mm panel mounting hole with single-nut rear fastening for secure installation.
- Wiring Configuration: Utilizes a 2PIN pin terminal layout for stable electrical connections.
- Global Standards: Manufactured under strict ISO9001 quality management systems with CE, VDE, RoHS, CCC, and UL (E498776) certifications.
- Customization Support: FILN offers comprehensive OEM and ODM support for wire length, specialized connectors, and custom voltages.
What is a 120vac Indicator Light?
A 120vac indicator light is an electrical pilot device designed to visually communicate operational status, power conditions, or fault warnings within industrial machinery and control panels. It functions by converting electrical current into visible LED illumination through an internal semiconductor chip and dropping resistor. FILN provides extensive indicator options categorized into metal and plastic indicator lights, with mounting dimensions ranging from 6mm to 30mm. Connection methods include 2PIN pin terminals and direct wire leads. Metal indicator lights feature flat head, protruding head, and recessed head options to suit diverse aesthetic and functional requirements.
Recessed head indicators like the FL1M-14CJ-1 offer mechanical protection for the emitting surface while delivering bright, highly visible status cues across control room environments. Industrial buyers can explore the comprehensive FILN Metal Indicator Light Collection for alternative sizes and configurations.
Product Overview
The FILN 120vac indicator light serves as a critical human-machine interface component for monitoring electrical circuits. Mechanically, it utilizes a threaded metal body and a rear hex nut to achieve secure single-hole panel mounting. Electrically, it integrates a high-brightness LED chip paired with a precision carbon film resistor, rated for standard 120vac operation while accommodating custom voltage inputs. The recessed head design focuses light output uniformly while shielding the lens from accidental physical impacts in crowded industrial switchboards.
Industrial advantages include vibration resistance, corrosion protection, and long operational lifespans exceeding 50,000 hours. Certified under UL (Certificate No. E498776), CE, VDE, RoHS, and ISO9001 standards, this indicator provides reliable performance for global OEM equipment manufacturers and panel builders requiring uncompromised safety compliance.
Quick Specifications
| Description |
Metal indicator light with pins / Pin Terminal Variant |
| Model Number |
FL1M-14CJ-1 |
| Mounting Hole |
14mm (0.551 inch) |
| Rated Voltage |
120vac (Customizable 3V–480V DC/AC) |
| LED Color Options |
Red (R), Green (G), Yellow (Y), Blue (B), White (W) |
| Waterproof Rating |
IP65 / IP67 (with O-ring seal) |
| Wiring Type |
2PIN pin terminal |
| Head Type |
Recessed head / (Flat or round head variants available) |
| Surface Quality |
Smooth finish, free of burrs, oxidation, or cracking. |
| Assembly Standard |
Head assembly locked securely to base without rotation, detachment, skewing, or deformation. |
Performance Parameters
| Parameter |
Technical Specification |
| Rated Voltag |
3V–480V DC/AC (Customizable per client requirement) |
| AC Frequency |
50~60Hz |
| Rated Current |
≤20mA |
| Rated Power |
Approx. 0.2W |
| Insulation Resistance |
≥100MΩ (Tested between lead wire/terminal and shell at DC 500V) |
| Dielectric Strength |
1500V~1800V AC, with no breakdown or flashover |
| Working Life |
50,000 ~ 100,000 hours |
| Waterproof Rating |
IP65/67 |
Component Materials & Engineering Selection
The selection of high-grade raw materials ensures structural integrity and electrical safety across severe industrial operating environments. Each part is engineered to withstand thermal stress, mechanical vibration, and moisture infiltration.
| Accessory Name |
Material |
Engineering Purpose |
| Shell |
Copper alloy / Zinc-aluminum alloy (black plated option) |
Provides mechanical rigidity and impact resistance. |
| Lamp Holder |
PA66 (Polyamide 66) |
Offers high thermal stability and electrical insulation. |
| Lampshade |
PC (Polycarbonate) |
Ensures high light transmission and shatter resistance. |
| Luminescent Source |
High-Brightness LED |
Delivers energy-efficient, long-life status illumination. |
| Resistance |
Carbon Film Resistance |
Regulates voltage drop for stable 120vac operation. |
| Wireway |
PVC |
Provides flexible, flame-retardant electrical routing. |
| Nut |
Copper Alloy |
Ensures secure, tensioned panel clamping. |
| O-ring |
Silica Gel |
Maintains waterproof and dustproof IP67 sealing. |
| Plum Blossom Gasket |
Stainless Steel |
Prevents loosening under heavy mechanical vibration. |
Environmental Performance
This specification governs the general operating range of the FILN metal indicator light series, ensuring robust performance across demanding thermal and climatic conditions.
| Application Scope |
General use range for metal indicator light series. |
| Part Name |
Metal Indicator Light (FL1M-14CJ-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 Technical Specifications
1. Absolute Maximum Ratings
- 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 |
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 |
IF = 20mA |
520nm ~ 525nm (Green variant benchmark) |
| 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 the CIE international standard of 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 shells, offering exceptional impact resistance and IP67 waterproof protection for industrial and high-end commercial applications. While plastic indicators are prone to aging, cracking, and thermal deformation over time, metal indicators adapt seamlessly to harsh operating environments, frequent operation, and high-reliability requirements across diverse sectors:
1. Industrial Automation & Machinery Manufacturing
This sector represents the primary application domain for metal indicators due to continuous mechanical vibration, cutting fluids, and debris.
- CNC Machine Tools & Machining Centers: Control panels utilize red, yellow, and green metal indicators where green denotes normal operation, yellow signifies standby/warning, and red indicates emergency stop or fault conditions. Metal shells resist cutting fluid and metal chip erosion.
- Automation Production Line Control Cabinets: Large distribution and PLC cabinets integrate 6mm, 8mm, and 14mm metal indicators operating at 120vac or 24V to display power status clearly.
- Hydraulic & Pneumatic Equipment: Applied in oil pump start/stop and pressure limit alerts. Solid internal mounting prevents wiring detachment under heavy equipment vibration.
2. Outdoor Power & Renewable Energy Distribution Systems
Outdoor equipment subjected to intense sunlight, rain, and extreme temperature fluctuations demands high weather resistance.
- EV Charging Stations: AC and DC charging piles feature recessed metal status lights where flashing blue/green indicates active charging, solid light indicates completion, and flashing red indicates ground faults. IP67 sealing ensures reliability in public installations.
- Outdoor Distribution & Solar Combiner Boxes: Photovoltaic stations and municipal enclosures use indicators rated for -40°C to 80°C to display high-voltage closing and inverter status.
3. Rail Transit, Engineering Vehicles & Marine Equipment
Vehicles and maritime systems experience severe shock, vibration, and saline corrosion.
- Engineering Vehicle Dashboards: Excavators, cranes, and bulldozers utilize panel indicators for oil pressure, coolant temperature, and brake status alerts.
- Marine & Port Control Consoles: Ship cabin instruments and deck control boxes use plated metal indicators to resist salt spray corrosion, supported by silica gel O-rings.
4. Commercial Self-Service & Public Security Facilities
Public equipment requires vandal-resistant components that withstand physical impact.
- Vending & Ticketing Machines: Paired with anti-vandal metal switches to indicate coin insertion, dispensing, and change readiness.
- Fuel Dispenser Panels: Complies with electrical separation requirements in hazardous fueling zones.
- Outdoor Intercoms & Access Control: Stainless steel door panels feature red/green indicators for lock status.
5. Medical Equipment & Food Processing Machinery
Industries requiring frequent washdowns and chemical sterilization benefit from high ingress protection.
- Food Filling & Packaging Equipment: Withstands daily high-pressure hot water and chemical washdown without internal corrosion.
- Medical Sterilization Autoclaves: Distinguishes heating, sterilizing, and exhaust stages.
LED Indicator Color Meanings and Application Guide
Indicator light colors convey critical operational parameters across industrial control panels. While standards provide general guidelines, color conventions depend on equipment design and industry specifications.
- Red: Commonly signifies danger, emergency stop, fault conditions, or machine halted status. Recommended for critical alarms.
- Green: Denotes normal operation, safe conditions, power ON, or cycle ready status.
- Yellow / Amber: Indicates caution, abnormal temperature/pressure warning, or standby mode requiring operator attention.
- Blue: Frequently used for specific operational modes, neutral status, or active cooling/ventilation confirmation.
- White: Serves as general power indication, lighting circuit status, or neutral system readiness.
| Color |
Common Meaning |
Typical Status |
Recommended Application |
| Red |
Danger / Stop |
Emergency / Fault |
Emergency stop circuits, alarm panels |
| Green |
Normal / Safe |
Running / Ready |
Power ON, automated cycle running |
| Yellow |
Caution / Warning |
Standby / Limit Alert |
Thermal overload, fluid level warning |
| Blue |
Mandatory Action |
Active Mode |
Cooling system active, EV charge status |
| White |
Neutral Information |
Power Available |
Main enclosure incoming power |
Installation Guide
Proper mechanical installation ensures IP67 waterproof integrity and long-term electrical reliability. Follow these standardized procedures when mounting the FL1M-14CJ-1 indicator light:
- Tool Preparation: Gather a hole punch or drill, caliper, wire strippers, crimping tool, and a torque-limiting wrench.
- Panel Preparation: Measure and drill a precise 14mm (0.551 inch) mounting hole in the control panel surface. Ensure the surrounding area is clean and free of burrs.
- Gasket Positioning: Insert the supplied silica gel waterproof O-ring onto the threaded body of the indicator.
- Product Insertion: Insert the metal indicator light from the front side of the control panel through the 14mm hole.
- Rear Fastening: Thread the metal M14 locking nut onto the indicator barrel from the rear side of the panel. Tighten securely to compress the O-ring against the panel face.
- Wiring Connection: Connect the 120vac circuit to the 2PIN pin terminals using appropriate receptacles or soldered connections while ensuring power is disconnected.
- Post-Installation Inspection: Verify panel alignment, check terminal security, and test electrical continuity before energizing the system.
Wiring Guide & Terminal Comparison
Understanding the differences between pin terminal and wire lead configurations is essential for efficient electrical assembly. The FL1M-14CJ-1 features 2PIN pin terminals designed for fast slip-on receptacle connections.
Comparison: Pin Terminals vs. Wire Lead Indicators
| Terminal Type |
Advantages |
Limitations |
Recommended Application |
| 2PIN Pin Terminal (FL1M-14CJ-1) |
Easy disconnection, compatible with quick-link insulated terminals, modular assembly. |
Requires spade connectors or direct soldering. |
Standard industrial control panels and modular machinery. |
| Direct Wire Lead (FL1M-14CW-1) |
Pre-wired for rapid installation, enhanced moisture defense at rear. |
Fixed wire length, harder to replace in tight retrofits. |
Tight enclosures, waterproof junctions, automotive wiring. |
Wiring Best Practices: For pin terminals, use insulated quick-disconnect receptacles, solder securely, or wrap connections with professional electrical tape to ensure mechanical stability. Safety Warning: Always disconnect power upstream before performing any electrical wiring to prevent electric shock.
Industry Knowledge Center
Engineering high-reliability electrical systems requires understanding indicator degradation factors. Phantom illumination—a faint glowing effect in LED indicators when switched off—often results from induced AC voltages or residual leakage currents in long control wiring runs. Mitigating this requires proper resistor sizing or selecting indicators tailored to specific circuit parameters. Regular maintenance checks should inspect terminal tightness and gasket elasticity every 12 months in corrosive or high-vibration environments.
Buyer Decision Guide & RFQ Checklist
Selecting the correct metal indicator light involves evaluating environmental exposure, panel thickness, voltage type, and material durability. FILN offers three primary metal shell materials tailored to specific operational requirements:
| Shell Material |
Advantages |
Limitations |
Ideal Environment |
| Nickel-Plated Brass |
Cost-effective, robust mechanical strength, bright aesthetic finish. |
Susceptible to corrosion in heavy saline or acidic environments. |
Indoor control cabinets, machinery, general automation. |
| Stainless Steel |
Superior corrosion resistance, exceptional hardness, chemical tolerance. |
Higher material unit cost. |
Marine equipment, food processing, medical devices, outdoor washdowns. |
| Zinc-Aluminum Alloy |
Lightweight, excellent die-casting precision, black-plating compatibility. |
Lower tensile strength than stainless steel. |
Commercial appliances, automotive consoles, electronic housing. |
Recommended Similar Products
RFQ Specification Checklist
Providing these specifications helps FILN engineering and sales teams confirm product compatibility and quotation requirements efficiently:
- Product Type & Model (e.g., FL1M-14CJ-1)
- Mounting Hole Size (14mm)
- Voltage & Current Type (120vac, DC/AC)
- LED Color (Red, Green, Yellow, Blue, White)
- Head Type (Recessed, Flat, Protruding)
- Shell Material (Nickel-plated brass, Stainless steel, Zinc alloy)
- Wiring Method (2PIN Pin Terminal or Wire Leads)
- Certifications Required (UL, CE, RoHS, VDE)
- Order Quantity & Packaging Requirements
FILN Manufacturing and Engineering Capabilities
Yueqing Yulin Electronic Co., Ltd. (operating under the brand FILN) is a professional electrical switch and indicator manufacturer integrating research, development, production, and sales. With over two decades of industrial expertise, FILN provides robust R&D support, custom voltage engineering, OEM/ODM manufacturing, and rigorous quality control. Every batch undergoes dielectric strength testing, insulation resistance checks, and waterproof verification to ensure compliance with global standards.
Factory Direct Supply & Global Export
Established in 2006 in Wenzhou, Zhejiang, FILN operates a modern 10,000 m² manufacturing facility featuring 20+ advanced production lines and an independent testing laboratory. Driven by ISO9001 quality management systems, FILN supplies premium electrical components to over 100 countries worldwide. Our product portfolio includes indicator lights, push button switches, rocker switches, and toggle switches certified by UL (E498776), CE, VDE, RoHS, SGS, ISO9001, and CCC.
Whether you require standard 120vac indicator lights or fully customized electrical solutions, our professional engineering team is equipped to resolve design challenges and accelerate your supply chain.
Official Website: www.filn.com | Direct Inquiry Email: inquiry@cnylin.com.cn
Frequently Asked Questions
How to prevent phantom illumination (faint glowing) in 120vac LED indicators?
Phantom illumination or faint glowing when the switch is open typically occurs due to induced AC voltages or stray leakage currents in long control wiring runs. Installing a suitable bleeder resistor parallel to the indicator circuit or using indicators specifically calibrated for low-leakage PLC outputs resolves this issue.
Can this IP67 indicator light be washed down with caustic chemicals?
The FL1M-14CJ-1 features an IP67 rating with a silica gel O-ring, making it highly resistant to water spray and mild cleaning agents. For aggressive industrial washdown environments involving caustic chemical agents, selecting the stainless steel shell variant is highly recommended over nickel-plated brass.
What is the exact panel cutout size required for the FL1M-14CJ-1?
This indicator requires a precise 14mm (0.551 inch) circular mounting hole drilled into control panels or equipment housings up to standard industrial thickness limits, secured from the rear with the included M14 metal locking nut.
Does FILN provide UL certification for this 14mm metal indicator?
Yes, FILN holds official UL certification for its applicable metal indicator series under Certificate Number E498776, ensuring compliance with rigorous North American electrical safety and performance standards.
Are custom voltages available beyond standard 120vac?
Yes, FILN manufactures custom voltage configurations spanning 3V to 480V DC/AC to match exact equipment power requirements. Contact our engineering team for specialized voltage requests.
What is the difference between pin terminals and wire leads?
Pin terminals feature 2PIN metal pins that accept quick-disconnect receptacles or solder, allowing modular wiring. Wire lead models come pre-attached with insulated PVC wires, offering faster installation in confined waterproof enclosures.
How do I order samples for testing before bulk production?
You can request engineering samples directly by emailing FILN at inquiry@cnylin.com.cn. Our sales team processes sample requests promptly for prototype evaluation and testing.
What is the typical lifespan of the internal LED light source?
The high-brightness LED component utilized in FILN metal indicators is engineered for an operational lifespan ranging between 50,000 and 100,000 hours under rated electrical and thermal operating conditions.
