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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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The FILN FL1M-16FJ-11 16mm symbol indicator light is a high-performance industrial signal lamp engineered for critical feedback in heavy machinery, electrical cabinets, and automotive panels. Available now for sale with factory-direct pricing, this high-grade metal symbol indicator light features customized symbol etching to convey clear operational statuses instantly. Built by FILN, a premier certified indicator manufacturer holding ISO9001, CE, VDE, RoHS, SGS, UL, and IP65/IP67 credentials, this signal light utilizes ultra-bright LEDs housed in durable silver or black brass bodies. Designed for low power consumption and versatile installation, you can directly purchase wire lead symbol indicator light variants (20cm wire length) or pin terminal symbol indicator light models (2-pin solder pins) online to upgrade your OEM control systems today.
| Parameter | Specification |
|---|---|
| Mounting Hole Size | 16mm / 0.63 inch |
| Rated Voltage | 12V, 24V, 110V, 220V (Custom AC/DC available) |
| LED Color Options | Red, Green, Yellow, Blue, White |
| Waterproof Rating | IP65 / IP67 Waterproof |
| Operating Temperature | -40℃ to +80℃ |
| Lifespan | ≥ 50,000 Hours |
| Wiring Type | Wire lead type (20cm) or 2-Pin terminal type |
| Product Certifications | ISO9001, CE, VDE, RoHS, SGS, UL, IP65 |

Component Material List
| Component Name | Material | Note |
|---|---|---|
| Shell | Copper Alloy (Brass) | Nickel/Chrome plated or anodized black anti-corrosion |
| Lamp Holder | PA66 High-Strength Nylon | High thermal heat resistance and insulation |
| Lampshade | PC Polycarbonate | High light transmittance and impact resistance |
| Light Source | LED | Ultra long lifespan, low power consumption |
| Resistor | Carbon Film Resistance | Stable current-limiting circuit protection |
| Pin | Brass | Excellent electrical conductivity |
| Nut | Copper Alloy | Precision smooth threads for panel mounting |
| O-ring | Silica Gel | Provides reliable IP67 waterproof seal rating |
| Plum Gasket | Stainless Steel | Anti-vibration locking washer to prevent loosening |
| Parameter | Value |
|---|---|
| Rated Voltage | 12V, 24V, 110V, 220V (Customized voltage supported) |
| Frequency (AC) | 50 ~ 60Hz |
| Rated Current | ≤ 20mA |
| Component | Material Grade |
|---|---|
| Housing | Nickel-plated Brass / Black Anodized Alloy (Silver & Black finish options) |
| Lens | High-transmittance Polycarbonate (PC) Flat Lens |
| Seal Ring | High-density Silica Gel O-Ring |
| Terminal | Brass Soldering 2-Pin Terminal |
| Wire Material | Standard 20cm High-temperature Resistant Copper Wire Lead |
| Characteristic | Standard Specification |
|---|---|
| Application | Industrial Machinery, Signal Indication, Electrical Cabinets |
| Part Name | 16mm Flat Head Symbol Indicator Light (FL1M-16FJ-11) |
| Operating Temperature | -40℃ ~ +80℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Ambient Temperature Range | 5℃ ~ 35℃ |
| Relative Humidity | ≤85% at +40℃ (Operating) / 45% ~ 85% (Standard) |
| Air Pressure Range | 86 ~ 106Kpa |
| Waterproof Rating | IP65 Rating |
| Test Item | Test Condition | Requirement |
|---|---|---|
| Insulation Resistance | DC500V for 1 minute | ≥100MΩ |
| Dielectric Strength | 1500VAC / 5mA / 60s | No breakdown or flashover |
| Item | Test Condition | Performance Expectation |
|---|---|---|
| Continuous Working Life | 30mA / 1000h continuous burn-in test | 50,000 Hours rating with minimal luminous decay |
| Test Category | Parameters | Standard |
|---|---|---|
| High Temperature Resistance | 80℃ for 96h | No mechanical deformation, function normal |
| Low Temperature Resistance | -40℃ for 96h | No cracking or electrical degradation |
| Moisture Resistance | 40℃, 90-95%RH for 96h | Insulation resistance maintains >100MΩ |
| Temperature Cycling Test | -40℃ → 25℃ → 85℃ (5 rounds cycle) | Passes thermal shock stability without seal compromise |
Wiring Connection Design Comparison:
• Wire Lead Type (20cm wire length): Comes pre-wired for instant installation. Ideal for tight wiring spaces and fast panel assembly, eliminating extra soldering steps.
• Pin Terminal Type (2-Pin): Allows direct solder pin connections or quick-connector plug-ins, enabling convenient modular maintenance and fast replacement.
FILN 16mm metal symbol indicator lights serve as vital visual signals across diverse small-scale and heavy industrial electrical applications:

A symbol indicator light is a specialized visual signal device that combines LED illumination with clear, standardized graphic symbols (such as power symbols, warning icons, directional arrows, or custom OEM logos) etched directly onto the lens face. Unlike standard plain color signal lamps, a symbol indicator light immediately communicates specific machine states, operational warnings, or function confirmations to equipment operators without language barriers.
Role in Industrial Equipment:
FILN is a primary manufacturer specializing in innovative indicator lights and metal push button switches. Buying factory-direct from FILN ensures certified quality, competitive wholesale pricing for sale, and fast worldwide delivery.
FILN Official Website: www.filn.com
Contact Us: inquiry@cnylin.com.cn

Q1: Where can I buy a 16mm symbol indicator light for sale with custom symbols?
A1: You can buy high-quality 16mm symbol indicator lights for sale directly from FILN's online shop or official B2B portal. FILN offers full factory customization for laser-etched symbols, custom voltages (12V, 24V, 110V, 220V), and tailored wire lengths.
Q2: What is the model number FL1M-16FJ-11 and its primary specifications?
A2: The FL1M-16FJ-11 is a 16mm metal flat-head symbol indicator light manufactured by FILN. It features an IP67 waterproof rating, dual mounting choices (20cm wire leads or 2-pin terminals), options for silver or black brass housings, and wide voltage compatibility from 12V to 220V.
Q3: What is the difference between wire lead type and pin terminal type symbol indicator lights?
A3: The wire lead type comes pre-soldered with 20cm electrical wires for quick direct connection, perfect for tight spaces. The pin terminal type features standard 2-pin solder terminals, offering quick disconnection and modular replacement.
Q4: What are the advantages of a flat head symbol indicator light?
A4: A flat head symbol indicator light sits nearly flush with the control panel surface, providing a sleek modern appearance, reducing physical snag risks in tight industrial environments, and making surface cleaning very easy.
Q5: What is the purpose of the O-ring gasket and brass nut included with the indicator light?
A5: The O-ring silicone seal sits between the head lens and panel top to block dust and water entry (achieving IP67 protection). The M16 brass nut and metal gasket tighten securely behind the panel to prevent looseness from vibration.
Q6: What certifications does FILN hold for its symbol indicator lights?
A6: FILN symbol indicator lights hold comprehensive international certifications including ISO9001, CE, VDE, RoHS, SGS, UL, and IP65/IP67 waterproof ratings, ensuring global compliance for industrial exports.
Q7: Can I order 12V, 24V, 110V, or 220V symbol indicator lights for direct online purchase?
A7: Yes, standard models in 12V, 24V, 110V, and 220V (AC/DC) in Red, Green, Yellow, Blue, and White LED colors are available for direct online order and wholesale purchase.
Q8: What housing options are available for the 16mm metal symbol indicator light?
A8: FILN offers robust nickel-plated brass (silver finish) and black-anodized aluminum/brass (black finish) outer shells to match various control panel aesthetic and anti-corrosion requirements.
Q9: What is the expected lifespan of FILN 16mm LED symbol signal lamps?
A9: Equipped with high-brightness LEDs and premium carbon film resistors, FILN symbol indicator lights feature a long operational lifespan exceeding 50,000 hours under continuous working conditions.
Q10: How do I install a 16mm symbol indicator light onto an automation panel?
A10: Drill a 16mm (0.63 inch) mounting hole, place the O-ring seal onto the light body, insert the indicator through the front of the panel, place the metal gasket from the rear, and screw down the M16 nut until firm.
At FILN, we specialize in delivering precision-engineered indicator lights, push button switches, and rocker switches tailored to your unique requirements. While our products default to standard voltage ranges (12-24V and 110-220V), we understand that specialized applications demand flexibility.
Need a Custom Voltage Solution? Simply inform us of your desired voltage specifications (e.g., 5V, 48V, or non-standard ranges), and our engineering team will craft a solution within 10-15 business days.
✅ Expertise You Can Trust: Over 20 years of experience in industrial-grade electronic component production.
✅ End-to-End Customization: From voltage adjustments to bespoke designs (shape, color, IP rating), we adapt to your needs.
✅ Quality Guaranteed: All custom orders undergo rigorous testing to meet CE/RoHS/IP65 standards.
✅ Scalable Support: Whether prototyping or bulk orders, we ensure seamless delivery.
Consultation: Share your technical requirements via email or our contact form.
Design & Approval: Receive 3D models or samples for confirmation.
Production & QC: Precision manufacturing with real-time updates.
Global Shipping: Trackable logistics to your doorstep.
Email: inquiry@cnylin.com.cn
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