Killark XST20-53C - Front lever rotary operated switch assemblies. Standard provisions for padlocking in either “ON” or “OFF” position. The lever is connected to a threaded stainless steel shaft which passes through the cover. Killark XCS SERIES TUMBLER SWITCH Control Stations provide control means in hazardous location areas turning ON and OFF Motors, Fans, Lights etc. Utilized in Class 1 Division 1 & 2, Class 1 Zone 1 & 2 areas for indoor use are a Non-Factory Sealed unit requiring the need for a conduit seal fitting. UL Listed and CSA Certified.