Emergency stop button SB4 assembled 22mm 40mm turn to release metal 1NC SE SB4BS8442 Systeme Electric

SB4 series emergency stop button assembly, for mounting in 22 mm diameter holes, 40mm - head diameter "twist to release", in a metal housing. Number of contacts: 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 XB4BS8442).