The SIEMENS 3RW5246-6AC14 is an industrial-grade digital soft starter from the powerful SIRIUS 3RW52 series, built to handle the most demanding motor control applications. It supports the soft start of three-phase motors up to 200 kW (Normal Duty) and 355 kW (Heavy Duty) at 400 V, and operates efficiently within a voltage range of 200–480 V AC. With high current handling capability, this device ensures reduced electrical stress, extended motor life, and optimal system performance in large-scale industrial environments.

Key Features

Motor Power Rating:
 • 200 kW (Normal Duty)
 • 355 kW (Heavy Duty) at 400 V AC

Rated Operational Current:
 • 641 A (Normal Duty)
 • 370 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: Supports optional PROFINET / PROFIBUS / Modbus modules
Degree of Pollution: 3 (as per IEC 60947-4-2)