The Siemens 3RT2017-1FB44-3MA0 Sirius power contactor switches motor and resistive loads in industrial control panels and automation systems. This three-pole device from the compact 3RT2 series includes auxiliary contacts for control circuit signaling and interlocking. It mounts on DIN rails and operates with the specific coil voltage and contact configuration denoted by the -1FB44-3MA0 suffix for reliable performance in 400 V AC-3 applications.
