3RW4047-1BB14 SIEMENS

The SIRIUS 3RW4047-1BB14 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 with a power rating of up to 55 kW at 400 V and an operating temperature of 40°C. It operates within a wide voltage range of 200-480 V AC for the main circuit and features a control supply voltage of 110-230 V AC/DC. The 3RW4047-1BB14 offers adjustable current limiting, voltage ramp-up, and soft stop functions, minimizing mechanical stress and reducing current peaks during motor starts. Integrated bypass contacts further reduce energy consumption and heat dissipation during normal operation. This soft starter provides comprehensive motor protection features, including overload protection and intrinsic device protection. The device is equipped with screw terminals for easy and secure electrical connections. Its compact design and robust construction make it suitable for a wide range of industrial applications. The SIRIUS 3RW4047-1BB14 soft starter ensures reliable motor starting and stopping, extending the lifespan of both the motor and connected equipment. It contributes to increased system efficiency and reduced maintenance costs.