Eaton · M22 Series

M22-WS

Active
UL CSA CE

M22 2-Position Key Switch

Part number: M22
Eaton M22 Series Introduced circa 2000

Eaton M22 2-position key-operated selector switch.

Common Applications

Key switch for Eaton panels. Same M22 mounting as all other M22 operators. Used for lockout prevention on motor starters and VFD control panels.

Specifications

Actuator Function
Maintained, key removable in OFF position
Certifications
UL, CSA, CE
Cutout Diameter
22.5mm
IP Rating
IP67 (front)
Series
M22

Installation Quick Reference

Panel cutout: 22.5mm. Align the selector positions with the desired panel markings before tightening.

Contact blocks: Attach one contact block per position. Wire each to a separate PLC input for position feedback. A 2-position switch needs 1-2 blocks; 3-position needs 2-3.

Dimensions

Front 22.5mm cutout panel hole diameter Side panel contact ~45mm depth

Troubleshooting

Not responding to input

Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.

Where to Buy

Price range

$47.45 — $78.91

across 2 distributors

Quick Specs

Actuator Function
Maintained, key removable in OFF position
Certifications
UL, CSA, CE
Cutout Diameter
22.5mm
IP Rating
IP67 (front)
Series
M22

What People Are Saying

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“Key switch for Eaton panels. Same M22 mounting as all other M22 operators. Used for lockout prevention on motor starters and VFD control panels.”

Reddit r/PLC 22 upvotes View thread →