Here are some key features and specifications of the Siemens soft starter 3RW4427-1BC44:

Motor Power Rating: The 3RW442-1BC44 is designed for motor power ratings ranging from 220 kW to 400 kW (at 400 VAC).

Rated Operational Voltage: The soft starter is intended for use with a rated operational voltage of 200 V to 460 V AC (at 50 Hz or 60 Hz).

Control Voltage: The control circuit voltage of the soft starter is 24 V DC.

Control Modes: The device offers four different control modes - Soft Start, Soft Stop, Kick Start, and Pump Cleaning.

Communication: It features an onboard communication interface that allows integration into industrial communication networks.

Integrated Bypass: The 3RW4427-1BC44 incorporates an integrated bypass contactor that closes once the motor has reached its operating speed. This minimizes energy losses and reduces heat dissipation.

Protection Functions: The soft starter provides various protective functions, including motor overload protection, phase failure detection, phase imbalance protection, short-circuit protection, and underload monitoring.

Display and Control Interface: It is equipped with a graphical display and a keypad for easy configuration and monitoring of motor parameters.

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3RW4422-3BC44 (29kW)

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