3RW4047-1TB05 SIEMENS

The SIRIUS 3RW4047-1TB05 soft starter is a highly reliable and efficient solution for smoothly starting three-phase asynchronous motors. This S3 frame size soft starter is designed for motors up to 75 kW at 500 V and an operating temperature of 40°C. It operates within a voltage range of 400-600 V AC and utilizes a 24 V AC/DC control supply. The device incorporates screw terminals for secure and straightforward electrical connections. An integrated thermistor motor protection system safeguards the motor against overheating, preventing potential damage and downtime. By reducing the starting current and torque, the soft starter minimizes mechanical stress on the motor and connected equipment, extending their lifespan. This leads to decreased maintenance costs and increased overall system reliability. The 3RW4047-1TB05 ensures a gentle start, preventing voltage dips and disturbances in the power supply network. It is an ideal choice for applications requiring smooth and controlled motor starting. This soft starter optimizes energy consumption during motor startup, contributing to energy savings.