This Eaton M22S-WS3 key lock selector switch has three positions: a momentary left and right, and a center position for key removal. It is suitable for indoor or outdoor use, in wet environments or environments with dirt, grime, debris, and other contaminants. It has a black bezel, and its momentary switching action can be field-converted so that the left or right position is maintained. The bezel has a 1.17" (29.7 mm) diameter, and the key extends 1.88" (47.75 mm) from the selector's base when inserted. This selector switch has an Ingress Protection (IP) rating of 66, and it has Underwriters Laboratories (UL) and National Electrical Manufacturers Association (NEMA) Types 4X and 13 ratings for its resistance to dirt and water. This key lock selector switch is suitable for a wide range of indoor and outdoor switching applications.

Eaton manufactures electrical, hydraulic, and mechanical power equipment, including the Moeller brand, and was founded in 1911 and is headquartered in Dublin, Ireland.