Emergency stop button SB4 assembly 22mm 40mm metal key 1NO+1NC SE SB4BS9445 Systeme Electric

SB4 series emergency stop button assembly, for mounting in 22 mm diameter holes, 40mm - head diameter with wrench, in a metal housing. Number of contacts: 1NO+1NC. SystemeSig control and signaling devices are widely used in process equipment and machines, distribution and control cabinets, industrial plants, infrastructure facilities, civil engineering (formerly Schneider Electric Harmony Sig XB4BS9445).