3RW4046-1BB05 SIEMENS

The SIRIUS 3RW4046-1BB05 soft starter is a highly efficient and reliable solution for reducing the starting current and torque of three-phase asynchronous motors. This S3 frame size soft starter is designed for motors up to 55 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 3RW4046-1BB05 features screw terminals for easy and secure electrical connections. By limiting the starting current, the soft starter minimizes stress on the motor and connected equipment, extending their lifespan. It also prevents voltage dips in the power supply during motor start-up. Integrated overload protection safeguards the motor against excessive current draw, preventing damage and downtime. Adjustable starting and stopping parameters allow for customized motor control to match specific application requirements. The compact design of the 3RW4046-1BB05 enables easy integration into existing control panels. This soft starter is ideal for a wide range of applications, including pumps, fans, compressors, and conveyors.