Siemens SIRIUS 3RW40 Soft Starter, Compact 3-phase Soft Starter for Standard Load Fans & Pumps

Siemens SIRIUS 3RW40 Soft Starter The Siemens SIRIUS 3RW40 compact soft starter utilizes 2-phase control for 3-phase asynchronous motors under standard loads. It provides smooth soft start and soft stop functionality, limits inrush current, and reduces pump water hammer and transmission shock. Equipped with integrated electronic overload protection and a compact cabinet design, it covers motors from 7.5 to 250kW. Widely used in fans, pumps, and conventional industrial