Eaton M22-WR4 Black Selector Switch Knob, 4-Position, Maintained

When a control panel needs a reliable way to switch between four distinct operating states without accidental changes, the Eaton M22-WR4 selector switch knob provides a robust, maintained actuation solution. This black knob is part of the Eaton M22 modular series, designed to fit 22.5 mm mounting actuators, and is built for industrial environments where clear, tactile feedback and durability are essential.

Who is it for

Panel builders, machine OEMs, and maintenance technicians who use Eaton M22 actuators and need a 4-position rotary selector knob. It suits applications requiring a latching switch that stays in the selected position until deliberately turned.

Main features

• 4-position rotary selector knob with maintained (latching) actuation
• Black thermoplastic construction for durability and a professional appearance
• Compatible with Eaton M22 series actuators with square shaft
• 90° switching angle between positions for precise operation
• Front protection ratings IP66, IP67, IP69K and NEMA 4X, 13 when correctly mounted
• Operating temperature range from -25°C to +70°C
• Non-illuminated design for straightforward switching tasks

Specifications

• Brand: Eaton
• Model: M22-WR4
• MPN: M22-WR4
• EAN: 4015082794194
• Product type: Selector switch knob
• Series: Eaton M22
• Number of positions: 4
• Actuation type: Maintained (latching)
• Colour: Black
• Material: High-grade plastic (thermoplastic)
• Mounting diameter: 22.5 mm
• Compatibility: Eaton M22-W... actuators
• Degree of protection (front): IP66, IP67, IP69K
• NEMA rating (front): NEMA 4X, 13
• Operating temperature range: -25°C to +70°C
• Standards compliance: IEC/EN 60947, VDE 0660
• Illumination: Non-illuminated
• Switching angle: 90°
• Shaft type: Square
• Front ring colour: Black
• Function: Rotary selector

Tips

Ensure the knob is fully seated on the actuator shaft and the front ring is tightened to achieve the specified IP and NEMA ratings. For replacement, verify that your existing actuator is from the Eaton M22 series with a square shaft.