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Select the Soft Starter you need by Application or Specification

Soft Starter Application Range

Basic Performance

SIRIUS 3RW30/40 soft starters are one of the world’s most compact two- phase control LED soft starters in the power range from 1.5 kW (at 400 V) to 250 kW (at 400 V) thanks to their innovative control principle. Their compact design helps you save space in the control panel configurations. SIRIUS 3RW30/40 soft starters are the ideal solution for simple applications of all kinds.

General Performance

SIRIUS 3RW52 soft starters are an ideal solution for standard applications. With 3-phase motor control, they cover the power range from 5.5 kW (at 400 V) to 315 kW in standard circuits or up to 560 kW (at 400 V) in inside-delta circuits. With optional HMI modules, communication options (PROFINET, PROFIBUS, Modbus RTU/TCP, EtherNet IP) and the choice between an analog output or thermistor motor protection, they offer maximum flexibility.

High Performance

Equipped with maximum functionality, the SIRIUS 3RW55 all-rounder masters even difficult starting and stopping operations. Thanks to its innovative torque control, it can be used for drives in a performance class up to 710 kW (at 400 V) in in-line circuits or 1,200 kW (at 400 V) in inside-delta circuits. The optional communication module for PROFINET High Feature with 2 ports, which facilitates media redundancy in a ring topology, means even greater reliability for the user. The functionality designed for easy handling ensures maximum operating convenience.