Safety auxiliary contactor, Application: Auxiliary contactor, Connection technology: Screw terminals, Description: Basic devices and surface-mounted auxiliary switches with positively guided contacts, Contact configuration S = normally open: 4 S, Contact configuration Ö = normally closed: 4 Ö, Notes: Switching elements in accordance with EN 50011., Connection designation of the coil in accordance with EN 50005., Current type AC/DC: Alternating current operation