3RW4028-2BB14 SIEMENS

The SIRIUS 3RW4028-2BB14 soft starter is a size S0 device designed for motors up to 18.5 kW at 400 V and an ambient temperature of 40°C. It operates within a voltage range of 200-480 V AC and features a control supply voltage of 110-230 V AC/DC, offering flexibility in various power environments. This soft starter provides a stepless start for three-phase asynchronous motors, minimizing mechanical stress and voltage dips during startup. It incorporates advanced features such as adjustable current limiting and overload protection, ensuring motor and system safety. The 3RW40 series is known for its compact design and ease of integration into existing systems. Electrical connections are facilitated through spring-type terminals, which provide a secure and vibration-resistant connection, reducing installation time and maintenance. Furthermore, the soft starter enhances energy efficiency by optimizing motor performance during startup and shutdown. Its robust design ensures reliable operation in demanding industrial applications, contributing to increased system uptime and reduced maintenance costs. This device is an ideal solution for applications requiring smooth and controlled motor starting.