Siemens 3RW4046-1BB15

Soft starter SIRIUS 3RW40

Siemens Sirius 3RW40 is designed for high power 250 kW asynchronous engines. The device provides light start, protects the engine from overloads, reduces the current expenditure, which do the use of equipment low-priced. The data models use features unusual to this output range: solid-state engine overload security and inbuilt protection devices, controllable current qualification and two-phase monitoring technique. The soft starter Siemens 3RW40 are sections of the SIRIUS modular system. As a result, they have identical dimensions and connection diagrams. Thanks to their especially compact dimensions, SIRIUS 3RW40 soft starters are half the size of star-delta starters, so they take at minimal space in the monitoring cabinet. At the contactor, they are utilized as safety-free starting union for electric motors.