Siemens Soft Starter 3RW3017-1BB04

The Siemens 3RW3017-1BB04 is a soft starter from the SIRIUS product line, designed for the controlled starting and stopping of three-phase asynchronous motors. It helps to reduce starting current peaks and torque surges, which minimizes mechanical stress on the drive system and prevents mains voltage fluctuations. 

Specification:

• Operating Current (Ie): 12.5 A (at 40 °C).
• Motor Power: 5.5 kW at 400 V.
• Operating Voltage (Ue): 200 – 480 V AC (three-phase).
• Control Voltage (Us): 24 V AC/DC.
• Size: S00.

Key Features:

• Thyristor Control: It uses variable phase control via thyristors to gradually increase the motor voltage from a selectable starting voltage up to the main voltage.
• Screw Terminals: The electrical connections for both the main and control circuits are made using reliable screw-type terminals.