Here are some key features and specifications of the Siemens 3RW4445-6BC44 soft starter:

Power Rating: The soft starter is designed for motors with a voltage rating of 200-480 volts AC and a motor power range of 110-250 kilowatts (kW).

Current Rating: The soft starter has a current rating of up to 250 amperes (A).

Control Voltage: The control voltage of the soft starter ranges from 110 to 230 volts AC or 110 to 120 volts DC, depending on the configuration.

Control Modes: The soft starter supports various control modes such as torque control, current limit, and predefined ramp profiles.

Communication Interfaces: The device is equipped with communication interfaces such as Profibus and Modbus for integration into industrial networks.

Protection Features: The soft starter incorporates built-in protections, including overload protection, phase loss protection, and short circuit protection, to safeguard the motor and the soft starter unit.

Siemens soft starter

3RW4422-1BC44 (29kW)

3RW4423-1BC44 (36kW)

3RW4424-1BC44 (47kW)

3RW4425-1BC44 (57kW)

3RW4426-1BC44 (77kW)

3RW4427-1BC44 (93kW)

3RW4422-3BC44 (29kW)

3RW4423-3BC44 (36kW)

3RW4424-3BC44 (47kW)

3RW4425-3BC44 (57kW

3RW4426-3BC44 (77kW)

3RW4427-3BC44 (93kW)