3RW4073-2BB34 SIEMENS

The SIRIUS 3RW4073-2BB34 soft starter is a highly efficient and reliable solution for smoothly starting three-phase asynchronous motors. This S12 soft starter is designed for motors with a rated power of up to 150 hp at 460 V and can handle a current of 205 A at an ambient temperature of 50 °C. It operates within a voltage range of 200-460 V AC and utilizes a 115 V AC control supply voltage. The 3RW4073-2BB34 features spring-type terminals, ensuring quick, secure, and vibration-resistant connections, which reduces installation time and maintenance efforts. This soft starter minimizes mechanical stress and voltage dips during motor start-up, extending the lifespan of both the motor and the connected equipment. Integrated protective functions, such as overload protection and motor protection, safeguard the motor against potential damage. Its compact design allows for easy integration into existing control panels. The SIRIUS 3RW4073-2BB34 soft starter provides a cost-effective and space-saving alternative to conventional starting methods like direct-on-line or star-delta starters. It is ideal for a wide range of applications, including pumps, fans, compressors, and conveyor belts. Furthermore, it contributes to increased energy efficiency by reducing inrush currents and optimizing motor performance.