Siemens 3RW4036-2BB05

Soft starter SIRIUS 3RW40

The Sirius 3RW40 soft starter is intended for high power induction motors (250 kW). Siemens Soft starter provides easy start-up, allows you to protect the engine from overloads, lower power rate, which makes the utilize of equipment cheaper. The data models are equipped with features unusual to this capacity range: semiconductor engine overburden protection and built-in protection devices, adjustable current limiting and two-phase control method. The Soft starters 3RW40 are part of the SIRIUS modular system. As a result, they have identical sizes and wiring schemes. Due to their particularly compact dimensions, SIRIUS 3RW40 soft starters are half the size of star-delta starters, thus they take up minimal place in the monitoring cabinet. At the contactor, they are used as protective infinite union for starting engines.