3RW4047-2BB14 SIEMENS

The SIRIUS 3RW4047-2BB14 soft starter is a highly efficient and reliable solution for smoothly starting three-phase asynchronous motors. This S3 frame size soft starter is designed for motors 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, making it suitable for various power grids. The control supply voltage can be either 110-230 V AC or DC, providing flexibility in control circuit design. Equipped with spring-type terminals, the 3RW4047-2BB14 ensures quick, secure, and maintenance-free connections. This soft starter reduces mechanical stress and voltage dips during motor start-up, extending the lifespan of both the motor and the connected equipment. Integrated features include adjustable starting voltage and current limiting, allowing for optimized motor starting performance. Furthermore, it offers comprehensive motor protection functions, such as overload and overcurrent protection, enhancing operational safety. The compact design and user-friendly interface simplify installation and commissioning, minimizing downtime and maximizing productivity. This soft starter is an ideal choice for applications requiring smooth and controlled motor starting.