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Eaton M22 Illuminated Selector Switch Operator, 22.5 mm, IP66/NEMA 4X
The Eaton M22 Illuminated Selector Switch Operator is a 22.5 mm modular pilot device engineered for panel-mount control applications that demand reliable, maintained switching. Configured with a knob actuator, this M22 series operator provides illuminated status indication rated for 100,000 hours of light life alongside 100,000 rated button operations for long-term durability in high-cycle industrial control circuits. The operator carries an IP66, NEMA 4X, and NEMA 13 environmental rating, making it well suited for washdown duty, outdoor exposure, and dusty or wet industrial locations where standard pilot devices fall short. Compact dimensions and a modular mounting adapter make this Eaton M22 selector switch operator a practical choice for panel builders, OEMs, and maintenance teams standardizing on the M22 platform.
Key Features
- Trade Size: 22.5 mm modular design, matching standard M22 series panel cutouts for simple field replacement.
- Maintained Switching: Knob actuator delivers a maintained actuator function for dependable selector-switch control.
- Illuminated Indication: Illuminated status indication is rated for 100,000 hours of light life for continuous, high-visibility feedback.
- High-Cycle Durability: Rated for 100,000 button operations, supporting long service life in frequently actuated control panels.
- Environmental Protection: IP66, NEMA 4X, and NEMA 13 rated for reliable operation in wet, dusty, washdown, and outdoor-exposed industrial locations.
- Compact Footprint: Space-efficient dimensions allow mounting on crowded control panels.
- Simplified Installation: Includes a contact block mounting adapter, streamlining assembly onto the operator body.
Certifications & Compliance
- IP66 Rated
- NEMA 4X Rated
- NEMA 13 Rated
Technical Specifications
- Product Type: Pushbutton Operator
- Series: M22
- Department: Electrical
Typical Applications
- Industrial Control Panels and Machine Start/Stop Stations
- OEM Equipment and Panel-Mount Operator Interfaces
- Wet, Washdown, and Dusty Location Installations
- Selector Control Circuits
- HMI and Operator Interface Panels
- Panel Retrofit and Replacement of Existing M22 Devices
Why Eaton?
Eaton's M22 series selector switch operators are engineered for dependable, code-compliant performance in demanding industrial control environments. With IP66, NEMA 4X, and NEMA 13 environmental ratings combined with 100,000-operation button durability and 100,000-hour illumination life, this M22 modular operator is built to hold up under frequent actuation and harsh washdown or outdoor conditions. The modular M22 platform, including the included contact block mounting adapter, simplifies inventory, installation, and maintenance for panel builders standardizing on a single operator series across their electrical control equipment.
Variant Specifications
| Number of Positions | Color | SKU | MPN |
|---|---|---|---|
| Two-Position | Green | M22-WRLK-G | M22WRLKG |
| Two-Position | White | M22-WRLK-W | M22WRLKW |
| Two-Position | Yellow | M22-WRLK-Y | M22WRLKY |
| Three-Position | Green | M22-WRLK3-G | M22WRLK3G |
| Three-Position | White | M22-WRLK3-W | M22WRLK3W |
Manufacturer Resources
Product Specs
- Department:
- Electrical
- Series:
- M22
- Operating cycles:
- Light: 100,000, button: 100,000
- Actuator:
- Knob
- Product Width:
- 1.17 in
- Environmental rating:
- IP66, NEMA 4X, NEMA 13
- Actuator function:
- Maintained
- Bezel:
- Silver
- Illumination:
- Illuminated
- Product Size:
- 22.5 mm
- Product Color:
- Silver
- Product Length/Depth:
- 1.17 in
- Catalog Notes:
- Includes contact block mounting adapter.
- Standards:
- NEMA 4X
- Product Height:
- 1.06 in
- Product Group:
- Motor Control & Automation
- Product Type:
- Pushbutton Operator
- Product Subgroup:
- Selector Switches
Eaton M22-WRLK3-W – Frequently Asked Questions
1) Does the Eaton M22-WRLK selector switch operator come with contact blocks, or do I have to order them separately?
Contact blocks are not part of the operator. What ships with the M22-WRLK is the operator body with a contact block mounting adapter, so you still need to order the M22 contact blocks (and, because this is an illuminated device, the LED element) to build a working station. Plan the block count around whether you took the two-position or three-position version.
2) What panel cutout does the Eaton M22 knob selector switch need?
It is a 22.5 mm device, so it drops into the standard 22.5 mm round cutout used across the M22 platform. That is the same hole as other M22 pushbuttons and indicators, which is why panel builders standardizing on M22 can swap operators without redrilling. Overall device dimensions are 1.17 in deep by 1.17 in wide by 1.06 in high.
3) Is this M22 knob switch maintained or spring-return to center?
Maintained. The knob stays where you leave it, which is what you want for hand/off/auto, local/remote, or on/off selection. If your circuit needs the knob to spring back to center after release, this is the wrong operator and you need a momentary M22 selector instead.
4) Should I pick the two-position or three-position version of the M22-WRLK?
Two-position covers simple either/or selection, on/off or local/remote. Three-position is the one to use for hand/off/auto or forward/off/reverse, where you need a defined center state. Two-position is offered in green, white and yellow; three-position in green and white.
5) Can this Eaton M22 illuminated selector switch be used in a washdown area or outdoors?
Yes. The operator is rated IP66, NEMA 4X and NEMA 13, which covers hosedown cleaning, dust, oil and corrosive wet environments, and outdoor exposure on the panel face. Food and beverage lines, car washes and outdoor machine enclosures are the usual places it goes. The enclosure itself has to carry an equivalent rating for the assembly to hold that protection.
6) What do the green, white and yellow options on the M22-WRLK refer to?
They are the lens color of the illuminated knob, not the bezel. The bezel and body are silver on every version. Green typically marks a run or auto state, yellow a caution or manual/override state, and white a neutral or general-purpose selection. Order as M22-WRLK-G, -W or -Y for two-position and M22-WRLK3-G or -W for three-position.
7) How long will this M22 selector switch hold up on a machine that gets switched every shift?
Eaton rates the operator at 100,000 button operations and the illumination at 100,000 hours of light life. At a few dozen actuations a shift that is years of service, and the illumination outlasts the mechanics in most duty cycles. For very high-frequency switching, the mechanical count is the figure to size against.
8) Can I use this to replace an existing M22 pushbutton or selector on a panel that is already drilled?
Yes, as long as the existing hole is the standard 22.5 mm M22 cutout. The WRLK is a direct-mount operator on that platform and reuses the mounting adapter arrangement, so it goes into the existing hole. What changes is behind the panel: because this version is illuminated, you need an LED element in the stack, so a non-illuminated device being replaced will not have all the parts you need carried over.
9) Is there enough room for this operator on a crowded control panel?
The device footprint is 1.17 by 1.17 inches with a 1.06 inch height, built around the 22.5 mm cutout. That is a compact body, but the limiting factor on a dense panel is usually behind-panel depth once contact blocks and the LED element are stacked on the adapter, so lay out center-to-center spacing with the full stack in mind rather than the bezel size.
How fast can I get the Eaton M22-WRLK3-W delivered?
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Does the Eaton M22-WRLK3-W come with a warranty?
Absolutely. The Eaton M22-WRLK3-W is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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