Siemens 3RA2345-8XB30-1NB3 is a 3-pole reversing contactor assembly in the Sirius 3RA23 family for motor control. It features a dual-voltage coil (20/33 V AC/DC) and is rated for AC-3/AC-3e duty, handling up to 58 A (approximately 55 kW at 400 V) for motor loads, with screw-terminal connections for reliable wiring. The unit includes two auxiliary contacts (2 × 1 NO), and both electrical and mechanical interlocks to prevent misoperation in forward/reverse applications.
