The SIEMENS 3RW5236-6AC14 is a powerful digital soft starter from the advanced SIRIUS 3RW52 series, built for reliable and efficient operation of large three-phase motors. It supports motor start-up up to 90 kW (Normal Duty) and 160 kW (Heavy Duty) at 400 V, with a wide input voltage range of 200–480 V AC. Ideal for heavy industrial applications, this model ensures reduced mechanical stress, minimized current surges, and extended equipment life.

Key Features

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

Rated Operational Current:
 • 296 A (Normal Duty)
 • 171 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 modules available
Degree of Pollution: 3 (as per IEC 60947-4-2)