Killark® GCS and SWBC series control stations provide control solutions in hazardous location areas to supply, START/STOP motor functions, LED pilot light Indications and more for use with Killark® ''GO'' short style operators when installed in the covers and ''GO'' long style operators when installed in the back wall to allow for thickness of a panel for panel mounting. For use in class 1 Division 1 & 2, class 1 zone 1 & 2 areas for indoor use and are Non-Factory sealed requiring the need for a conduit seal fitting. UL Listed and CSA Certified. The GCS and SWBC can be drilled and tapped to order or in the field by the customer from 1/2 to 1-1/2 in for dead end and feed through entries.