This Eaton C22S-WK3-K20 selector switch has a black 3-position knob that twists for momentary operation. The knob actuates two normally open (NO) double-pole, single-throw (DPST) contacts and the switch mounts through a 22.5 mm diameter control panel hole. It is Underwriters Laboratories Listed (UL), Canadian Standards Association (CSA) certified, and European Conformity (CE) compliant for quality assurance and meets the Ingress Protection (IP) 66 standard for protection against dust and liquids. This emergency pushbutton is suitable for use in applications such as in manufacturing process control systems.

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