Siemens 3RW4026-1TB05

Soft starter SIRIUS 3RW40

The Sirius 3RW40 soft starter is designed for high power induction motors (up to 250 kW). Siemens Soft starter allow light start-up, allows you to protect the engine against overload, reduces the current rate, inexpensive than use of the equipment. The data models apply features out-and-outer to this capacity diapason: solid-state engine overburden protection and inbuilt protection devices, adjustable current limitative and two-phase control method. The Sirius 3RW40 are sections of the SIRIUS modular system. As a result, they have pinpoint dimensions and wiring diagrams. Due to their especially dense dimensions, Siemens soft starters are half as much the size of star-delta starters, thereby they take at limited place in the monitoring cabinet. Together with the contactor, they are utilized as protective infinite combinations for electric motors.