Siemens 3RT1036-1BB40 is a three-pole AC-3 power contactor (size S2) with a 24 V DC control coil, rated for 50 A and 22 kW at 400 V. The assembly includes an auxiliary contact block 3RH1921-1HA22 for signaling contacts, and it uses screw-terminal connections for secure wiring. It is designed for motor-start control in three-phase AC-3 duty, delivering reliable switching of up to 400 V three-phase loads in industrial panels.
