ML1-100Y-rpt
Active22mm Yellow LED Indicator Light
ABB yellow indicator light.
Common Applications
Yellow warning indicator for ABB panels. Completes the standard traffic light status display alongside ML1-100G green and ML1-100R red.
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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Yellow
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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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Illumination
Whether the button has a built-in light. Illuminated buttons show status (lit = active).
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Illuminated
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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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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
$16.95 — $35.54
across 2 distributors
Quick Specs
- Certifications
- UL, CSA, CE
- Color
- Yellow
- Cutout Diameter
- 22mm
- Illumination
- Illuminated
- LED Voltage
- 24V AC/DC
What People Are Saying
“Yellow warning indicator for ABB panels. Completes the standard traffic light status display alongside ML1-100G green and ML1-100R red.”
