3RW4046-1TB04 SIEMENS

The SIRIUS 3RW4046-1TB04 soft starter is a highly efficient and reliable solution for smoothly starting three-phase asynchronous motors. This particular model is an S3 size soft starter, designed for motors with an operating current of up to 80 A. It is suitable for use with motors rated up to 45 kW at 400 V, making it ideal for a wide range of industrial applications. The device operates within a voltage range of 200-480 V AC and requires a 24 V AC/DC control supply. Equipped with screw terminals, the 3RW4046-1TB04 ensures secure and dependable electrical connections. An integrated thermistor motor protection system safeguards the motor against overheating, preventing damage and extending its lifespan. This soft starter provides a controlled ramp-up of the motor, reducing mechanical stress and minimizing current peaks during startup. By optimizing the starting process, it helps to improve the overall efficiency and stability of the motor system. Furthermore, it contributes to reducing wear and tear on connected equipment, leading to lower maintenance costs and increased productivity.