Mushroom head button SB4 assembly 22mm 40mm with return metal 1NZ red. SE SB4BC42 Systeme Electric

SB4 series mushroom head pushbutton assembly, for mounting in 22mm diameter holes, 40 mm head diameter, red, with return spring, in a metal housing. Number of contacts: 1NO. SystemeSig control and signaling devices are widely used in process equipment and machines, distribution and control cabinets, industrial plants, infrastructure facilities, and civil engineering (formerly Schneider Electric Harmony Sig ZB4BC4).