M22-L-G
ActiveM22 Green LED Indicator Light 24V
Green LED indicator light for Eaton M22 series. 22.5mm cutout, 24V AC/DC, IP67 front.
Common Applications
Illuminated indicator showing equipment running status. The green LED indicates power on, process running, or safe condition. Common on motor control centers, pump stations, and HVAC panels. The M22 series LED module accepts 12-30V AC/DC — compatible with most PLC and relay outputs without an external transformer. Rated for 100,000 hours LED life (11+ years continuous). The flat lens design sits flush with the panel for a clean, modern look.
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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22.5mm
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Environmental Rating
Combined dust/water/impact protection. IP67 = dust-tight + survives temporary submersion. NEMA 4X = corrosion-resistant outdoor use.
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IP66, NEMA 4X, NEMA 13
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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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IP Rating
IP67: Dust-tight and survives temporary water submersion (1m for 30 min). Handles oil splashes, steam cleaning, and rain.
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IP67 (front)
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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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Light Color
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Green
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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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Operating Cycles
Rated number of operations. Higher is better.
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100,000 hours
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Series
The manufacturer's product family. Products in the same series share mounting systems and accessories.
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M22
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UPC
Universal Product Code for ordering and inventory tracking.
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786685278551
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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: 22.5mm. 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
$2.83 — $13.96
across 4 distributors
Quick Specs
- Certifications
- UL, CSA, CE
- Color
- Green
- Cutout Diameter
- 22.5mm
- Environmental Rating
- IP66, NEMA 4X, NEMA 13
- Illumination
- Illuminated
What People Are Saying
“Eaton 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.
M22-L-G Eaton Product Page
https://www.eaton.com/us/en-us/skuPage.M22-L-G.html
Accessed March 28, 2026