ML1-100G
ActiveModular Green LED Indicator Light 24V
Green LED pilot light, ABB Modular series. 22mm cutout, 24V AC/DC, IP65.
Common Applications
Green indicator light from ABBs modular pilot device range. Shows running status on motor control centers, power distribution panels, and process control systems. The ML1 series shares the same 22mm mounting as the MP1 push buttons — they are designed to sit side by side on the same panel. Common configuration: green ML1-100G (running) + red ML1-100R (fault) + amber ML1-100Y (warning) as a status light cluster.
Commonly Found On
Specifications
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Certifications
Third-party safety certifications. UL = required for US NEC installations. CE = EU compliance. CSA = Canadian standards.
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UL, CSA, CE
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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Green
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Cutout Diameter
The hole size you drill in your panel to mount this button. 22mm is the most common industrial standard worldwide.
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22mm
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IP Rating
IP65: Dust-tight and protected against low-pressure water jets. Suitable for indoor industrial and light washdown.
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IP65
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LED Color
Color of the built-in LED indicator light.
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Green
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LED Voltage
The voltage required for the built-in LED. Must match your control circuit voltage (typically 24V DC or 230V AC).
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24V AC/DC
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Plastic
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Mounting Type
How the button attaches to the panel. Panel mount is standard — installs through a cutout from the front.
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Panel
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Specs with this icon are linked to the manufacturer's original source page
You'll Also Need
This is a modular component. For a complete assembly, you may also need:
Compatible Alternatives
These products are functionally equivalent cross-references from other manufacturers.
Installation Quick Reference
Panel cutout: 22mm. Insert from the front, secure with mounting nut.
LED module: Check the voltage rating matches your supply (typically 24V DC or 230V AC). Connect to PLC digital output or relay contact for status indication.
Color meaning (IEC 60204-1): Green = normal/running. Red = fault/danger. Yellow = warning/caution. Blue = mandatory action. White = neutral/general.
Dimensions
Troubleshooting
Light is dim or flickering
Check supply voltage matches the LED module rating. Low voltage causes dimming. If voltage is correct, the LED module is failing — replace it. LED modules have finite life (typically 50K-100K hours).
Light doesn't turn on
Verify voltage at the terminals with a multimeter. Check the PLC output or relay driving the light. LED modules are polarity-sensitive on DC circuits — try reversing the leads.
Where to Buy
Price range
$2.23 — $6.94
across 4 distributors
Quick Specs
- Certifications
- UL, CSA, CE
- Color
- Green
- Cutout Diameter
- 22mm
- IP Rating
- IP65
- LED Color
- Green
What People Are Saying
“ABB indicators are reliable. Match the LED voltage to your PLC output. Follow IEC 60204-1 color coding — your maintenance team will appreciate consistent standards.”
Learn More
Data Sources
Specifications and product data sourced from the following references.
