Siemens 3RT1045-1AP60 Three-Phase AC Contactor

Siemens 3RT1045-1AP60 is a three-pole Sirius power contactor in the size S3 frame, intended for AC-3 motor control and switching of medium-sized three-phase loads. It carries an AC-3 rating of 80 A and 37 kW at 400 V, with coil voltages of 220 V at 50 Hz or 240 V at 60 Hz, enabling compatibility with standard control circuits. The unit employs screw terminals for the main contacts and is configured as a 3-pole device, suitable for applications such as pumps, fans, conveyors, and machine tools where reliable start/stop of a three-phase motor at up to 400 V is required. This Siemens contactor is part of the Sirius line and is designed for robust performance in industrial environments, providing solid switching of standard three-phase motors in both 50 Hz and 60 Hz electrical networks.