3RW4037-2TB04 SIEMENS

The SIRIUS 3RW4037-2TB04 soft starter is a highly efficient and reliable solution for reducing the starting current and mechanical stress of three-phase induction motors. This S2 frame size soft starter is designed for motors up to 30 kW at 400 V and an operating temperature of 40°C. It operates within a voltage range of 200-480 V AC and utilizes a 24 V AC/DC control supply. The device features spring-type terminals for quick, secure, and maintenance-free connections. Integrated thermistor motor protection safeguards the motor against overheating, preventing costly damage and downtime. By smoothly increasing the voltage applied to the motor during startup, the 3RW4037-2TB04 minimizes torque peaks and current surges. This results in reduced stress on the motor, driven equipment, and the power supply network. The soft starter also contributes to energy savings by optimizing motor performance. Its compact design and advanced features make it suitable for a wide range of industrial applications, ensuring reliable and efficient motor operation. Furthermore, it enhances the lifespan of your motor and connected machinery.