M22-DL-B
Active22mm Blue Illuminated Flush Button 24V
Eaton M22 illuminated blue flush push button.
Common Applications
Blue illuminated for reset/acknowledge on Eaton panels. Completes the full color set: green (start), red (stop/fault), yellow (caution), blue (reset).
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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Blue
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Contact Configuration
Normally Open — circuit is off until you press. Standard for start/go/enable functions.
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1NO
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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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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 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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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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Installation Quick Reference
Panel cutout: 22.5mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).
Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.
Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.
Dimensions
Wiring Diagram
Troubleshooting
Button doesn't respond when pressed
Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.
Works intermittently
Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.
Button feels mushy or doesn't click
The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.
Where to Buy
Price range
$45.31 — $81.01
across 2 distributors
Quick Specs
- Certifications
- UL, CSA, CE
- Color
- Blue
- Contact Configuration
- 1NO
- Cutout Diameter
- 22.5mm
- Illumination
- Illuminated
What People Are Saying
“Blue illuminated for reset/acknowledge on Eaton panels. Completes the full color set: green (start), red (stop/fault), yellow (caution), blue (reset).”