Siemens 3RW4027-2TB05

Soft starter SIRIUS 3RW40

The Soft starter Sirius 3RW40 is intended for high power 250 kW asynchronous motors. Siemens Soft starter give easily start-up, protects the motor from overloads, reduces power consumption, cheaper than utilize of the equipment. The data devices are equipped with features unusual to this power range: solid-state engine overload security and integral arrangement protection, adjustable current limitative and 2-phase control method. The Soft starters 3RW40 are the portion of the SIRIUS modular system. Consequently, they have identical sizes and connection diagrams. Due to its especially compact size, Siemens soft starters are half the size of star-delta starters, thereby they take up minimal space in the control cabinet. Together with the contactor, they are used as protective infinite combinations for starting motors.