Siemens 3RA2120-4BD27-0BB4 Soft Starter

The Siemens 3RA2120-4BD27-0BB4 is an industrial soft starter designed for smooth starting of electric motors while reducing inrush current. Intended for 3-phase asynchronous motors, it provides controlled ramp-up to minimize mechanical stress, extend component life and reduce electrical disturbances. Suitable for industrial machines, pumps, fans and conveyors. Offers straightforward installation and integration into control systems, helping protect against frequent start-up current impacts and lowering the risk of supply disturbances.