Siemens 3TF3470-0A is a three‑pole power contactor designed for AC‑3 motor control duties, rated for 55 A and capable of switching up to 690 V AC, suitable for motors up to 31 HP. The coil is 230 V AC (50/60 Hz) to energize the contacts from standard control circuits. This model includes 2 normally open and 2 normally closed auxiliary contacts for signaling and control within a motor‑control circuit.
