The SIEMENS 3RW5245-6AC14 is a high-capacity digital soft starter from the robust SIRIUS 3RW52 series, designed for reliable control of heavy-duty three-phase motors. It supports motor start-up up to 160 kW (Normal Duty) and 315 kW (Heavy Duty) at 400 V, operating within a voltage range of 200–480 V AC. Perfect for demanding industrial environments, this model ensures smooth starts, reduces mechanical stress, and extends motor lifespan significantly.

Key Features

Motor Power Rating:
 • 160 kW (Normal Duty)
 • 315 kW (Heavy Duty) at 400 V AC

Rated Operational Current:
 • 546 A (Normal Duty)
 • 315 A (Heavy Duty)

Control Voltage: 110–250 V AC/DC
Mounting: Panel mounting with screw fixing
Integrated Bypass Contact System: Yes
Operating Temperature Range: –25°C to +60°C
Insulation Voltage: 600 V AC
Degree of Protection: IP20
Communication: Optional PROFINET / PROFIBUS / Modbus connectivity
Degree of Pollution: 3 (as per IEC 60947-4-2)