Eaton M22 Modular Selector Swi...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$18.10
Eaton M22 Modular Selector Switch Operator, Three-Position Knob, Momentary

Eaton M22 Modular Selector Switch Operator, Three-Position Knob, Momentary

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Model: M22S-WK3
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$18.10
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Eaton M22 Modular Selector Switch Operator, Three-Position Knob, Momentary

The Eaton M22 Modular Selector Switch Operator is a 22.5 mm panel-mount pilot device built for industrial control panels and operator interfaces. This M22 Series selector features a knob actuator with momentary, three-position operation, is non-illuminated, and carries an environmental rating of IP66, NEMA 4X, and NEMA 13. It is rated for 100,000 operating cycles and is CSA Certified for reliable performance in demanding automation and machine-control environments.

Key Features

  • Panel Mount Size: 22.5 mm mounting hole for standard M22 modular panel cutouts.
  • Three-Position Operation: Three-position selector switch for multi-state control commands.
  • Momentary Actuator Function: Momentary action returns the knob to its resting position after release.
  • Knob Actuator: Knob-style operator with a black button color for clear panel identification.
  • Field Convertible: Includes a contact block mounting adapter and can be field-converted to maintained operation by removing a color-coded adapter.
  • Rated Cycle Life: Rated for 100,000 operating cycles for long-term durability.
  • Non-Illuminated: Non-illuminated actuator design.
  • Environmental Rating: IP66, NEMA 4X, and NEMA 13 rated for washdown and harsh-environment duty.

Certifications & Compliance

  • CSA Certified
  • Bureau Veritas Compliant
  • IP66 Rated
  • NEMA 4X Rated
  • NEMA 13 Rated

Technical Specifications

  • Number of positions: 3
  • Product Type: Pushbutton Operator
  • Series: M22
  • Size: 22.5 mm
  • Type: Selector switch
  • Actuator: Knob
  • Actuator function: Momentary
  • Illumination: Non-illuminated
  • Button color: Black
  • Operating Cycles: 100,000 operations
  • Environmental rating: IP66, NEMA 4X, NEMA 13
  • Certifications: CSA Certified
  • Compliances: Bureau Veritas
  • Product Width: 1.17 in
  • Product Length/Depth: 1.17 in

Typical Applications

  • Industrial Control Panels
  • Machine Control Operator Stations
  • Manufacturing and Process Equipment
  • Panel-Mount Pilot Device Installations
  • Washdown and Harsh-Environment Applications (IP66, NEMA 4X)
  • Renovation and New Automation Panel Builds

Why Eaton?

Eaton's M22 Series selector switch operators are engineered for consistent, code-compliant performance across industrial and commercial control applications. With CSA Certified construction, Bureau Veritas compliance, and an IP66/NEMA 4X/NEMA 13 environmental rating backed by a 100,000-cycle operating life, this M22 Modular Selector Switch Operator delivers dependable, field-serviceable control for demanding panel-mount installations.

Manufacturer Resources

Product Specs

Product Size:
22.5 mm
Number of positions:
3
Product Type:
Pushbutton Operator
Operating Cycles:
100,000 operations
Actuator:
Knob
Certifications:
CSA Certified
Illumination:
Non-illuminated
Product Width:
1.17 in
Product Length/Depth:
1.17 in
Actuator function:
Momentary
Series:
M22
Compliances:
Bureau Veritas
Environmental rating:
IP66, NEMA 4X, NEMA 13
Department:
Electrical
Configuration:
Three-Position
Listing:
CSA Certified
Standards:
NEMA 4X
Product Group:
Motor Control & Automation
Product Subgroup:
Selector Switches
Product Length:
1.17 in

Eaton M22S-WK3 – Frequently Asked Questions

1) What panel cutout does the Eaton M22-WK3 selector switch need?
The M22 selector switch operator mounts in the standard 22.5 mm round panel hole used across the M22 modular line, so it drops into existing 22.5 mm cutouts on an operator station or control panel. The body footprint is 1.17 by 1.17 inches, which matters when you are spacing devices close together on a crowded door.
2) Does the Eaton M22-WK3 come with contact blocks, or do I order those separately?
What you get is the operator itself: the black knob actuator plus a contact block mounting adapter. The contact blocks that actually make and break the circuit are separate items, so budget for the NO and NC blocks your control scheme needs when you place the order.
3) Can the M22 three-position knob be changed from momentary to maintained?
Yes. It ships as a momentary three-position knob, meaning the knob springs back to center after you let go. Removing the color-coded adapter inside converts it to maintained operation, so the knob stays where you leave it. That is a field change, no different part number required.
4) Is this M22 selector switch rated for washdown areas?
It carries IP66, NEMA 4X and NEMA 13 ratings, which covers powerful water jets, corrosion-resistant duty and oil or coolant spray. That makes it usable on food processing, packaging and machine tool enclosures where the panel gets hosed down. The rating depends on proper seating of the operator in a clean 22.5 mm hole with the gasket intact.
5) What is the difference between M22-WK3 and M22S-WK3?
Only the bezel. M22-WK3 is the silver (metal-look) bezel version and M22S-WK3 is the black plastic bezel version. Function is identical on both: three-position momentary knob, non-illuminated. Pick whichever matches the other operators already on the panel so the station looks consistent.
6) Should I use a momentary or maintained three-position selector for a hand-off-auto circuit?
For hand-off-auto you normally want maintained, because the selection has to stay put after the operator walks away. A momentary three-position knob like this one is for spring-return commands, jog forward/off/reverse, momentary open/close on a valve or a two-way inch control where releasing the knob has to stop the action. If you need hand-off-auto, convert this operator to maintained by pulling the color-coded adapter rather than buying a different device.
7) Will this Eaton M22 operator pass inspection on a Canadian job or a marine build?
The M22 three-position knob operator is CSA Certified, which is what a Canadian AHJ looks for on panel-mounted pilot devices, and it is Bureau Veritas compliant, the marine classification society approval that shipboard and offshore panel work usually calls out.
8) Is the Eaton M22 selector switch lit, and can I get an illuminated version of this knob?
This one is non-illuminated: plain black knob, no lamp behind it. If the panel needs visual status feedback, run a separate M22 pilot light next to it rather than expecting this operator to indicate position.
9) How long will this Eaton selector switch last on a machine that gets cycled constantly?
The mechanical life on the M22 knob operator is rated at 100,000 operations. On a station switched a few dozen times a shift that is years of service; on a high-frequency jog control cycled hundreds of times an hour, plan on it as a wear item and keep a spare operator on the shelf.
How fast can I get the Eaton M22S-WK3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton M22S-WK3 come with a warranty?
Absolutely. The Eaton M22S-WK3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton M22S-WK3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Eaton M22S-WK3 from ZenSupply?
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