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.
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.
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:
- Safety Preparation: Ensure all power to the control panel is completely disconnected and locked out prior to commencing mechanical work.
- Required Tools: Prepare a precision hole punch or drill, caliper, wire strippers, crimping tool, and insulated screwdriver.
- 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.
- Gasket Positioning: Place the provided silicone waterproof O-ring onto the indicator body shaft just behind the recessed head flange.
- Inserting the Indicator: Insert the indicator light body from the front side of the control panel through the 22mm mounting hole.
- 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.
- 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.
- Post-Installation Inspection: Verify that the indicator head is securely seated without rotation, tilting, or deformation, and confirm circuit continuity before restoring power.
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.
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
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.
