🔧 What Is an Indicator Light?
An indicator light, also known as a pilot light or signal lamp, is a small light installed on machinery or control panels to show power status, faults, or operational modes. Commonly used in industrial, electrical, and appliance systems, indicator lights are essential for visual feedback and operational safety.
🧩 Main Types of Indicator Lights
At Arcolps, we offer a complete range of indicator lights designed for durability and performance. Here are the most common types:
1. By Material
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Metal Indicator Lights – Rugged, corrosion-resistant, ideal for industrial and outdoor environments.
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Plastic Indicator Lights – Lightweight, economical, and suitable for household and light-duty uses.
2. By Mounting Hole Size
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Available in 6mm, 8mm, 10mm, 12mm, 16mm, 19mm, and 22mm sizes.
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Standardized dimensions for easy integration into control panels or equipment housings.
3. By LED Color & Voltage
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LED colors: Red, Green, Yellow, Blue, White, Bi-color
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Voltage options: 3V, 5V, 12V, 24V, 110V, 220V, 250V AC/DC
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High-brightness and long lifespan LEDs included as standard.
🏭 Typical Applications
Indicator lights are used across many sectors, including:
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Machinery and Equipment Control Panels
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HVAC Systems
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Household Appliances (Ovens, Washers, Heaters)
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Electric Cabinets and Distribution Boxes
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Automotive Dashboards
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Elevator Panels and Access Control Devices
Whether you need compact 6mm lights for tight spaces or robust 22mm types for harsh environments, indicator lights are key to system visibility and operator awareness.
✅ Certifications & Compliance
All Arcolps indicator lights meet major international standards, ensuring safety and reliability in global markets.
Certified by:
UL, C-UL, ENEC, CCC, KC, CQC, PSE, C.B, and RoHS.
These certifications ensure full compliance with North American, European, and Asian regulations.
🛠️ How to Choose the Right Indicator Light
Choosing the right indicator light involves considering:
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Voltage requirements (e.g. 12VDC or 110VAC)
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Mounting hole size (space and panel thickness)
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Material preference (metal for durability, plastic for economy)
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IP rating (dustproof, waterproof needs)
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Color coding for specific status signals
Need help selecting the right model? Our sales team can recommend options based on your application. Contact us at info@arcolps.com.
🚀 Why Choose Arcolps?
With over 20 years of manufacturing experience, Arcolps provides:
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A full range of metal and plastic indicator lights
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Fast delivery and consistent quality control
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Flexible OEM & ODM support
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Global certifications trusted by engineers and OEMs across the U.S.
📎 Explore More
👉 View Our Full Indicator Light Catalog
👉 Request Samples or Custom Orders