SIRIUS 3RW Soft Starters

Soft starters can help make your processes more reliable now and in the future.

Electric motors are significant in most industries; without them, your applications wouldn’t work, and since motors are the leading unit in your facility, they should be durable and reliable with no chances of failure. SIRIUS soft starters can help you achieve this success!

Soft Starter Portfolio

SIRIUS 3RW55 High Performance

Due to its exceptional functionality, the intelligent SIRIUS 3RW55 soft starter can solve even the most difficult starting and stopping tasks simply and particularly gently. Integrated smart functions (for example, pump cleaning, pump stopping, automatic parameterization, condition monitoring) help operators to run their pumps smoothly. Thanks to the SIRIUS 3RW55 Failsafe soft starters with integrated Safe Torque Off (STO) functionality, safety-related applications can also be realized.

  • Three-phase controlled for optimal motor start
  • Integrated, safety-related shutdown for SIL 1/PL c and SIL 3/PL e (with STO)
  • ATEX/IECEx-certified for use in hazardous areas
  • Engineering in the TIA Portal
  • A wide range of communications interfaces (PROFINET, PROFIBUS, EtherNet/IP, Modbus)
  • Direct communication into cloud based solutions via OPC UA
  • Motor control and diagnostic data via a standard web browser without additional software
  • Integrated HMI (Human-Machine-Interface) with colour display
  • Media redundancy for reliable network availability
  • Integration in the process control system PCS 7 V9.0 SP2 with the 3RW5 block library

SIRIUS 3RW52 General Performance

The SIRIUS 3RW52 soft starter is an ideal alternative to star-delta starters. As an all-rounder, it covers all drive types.

  • Three-phase controlled for optimal motor start
  • Parameterization with rotary potentiometer
  • A wide range of communications interfaces (PROFINET, PROFIBUS, EtherNet/IP, Modbus)
  • HMI (Human-Machine-Interface) with display optional
  • Engineering in the TIA Portal
  • Integration in the process control system PCS 7 V9.0 SP2 with the 3RW5 block library

SIRIUS 3RW30/3RW40/3RW50 Basic Performance

Thanks to their compact design, SIRIUS 3RW30/40/50 soft starters are the ideal solution for all standard applications.

  • Two-phase controlled for standard applications
  • Parameterization with rotary potentiometer
  • Optional communications interface (PROFINET, PROFIBUS, EtherNet/IP, Modbus)
  • Visualization of motor data via optional HMI or analog output
  • Integrated motor overload and intrinsic device protection
  • Engineering in the TIA Portal
  • ATEX/IECEx-certified for use in hazardous areas

Get your 3RW55 Starter Kit

Download the PDF and receive:

  • SIRIUS 3RW55 Soft Starter
  • 24V DC Power Supply
  • Software
  • Ethernet cable
  • 2-meter low-voltage connecting cable

How-To Videos

Check out our How-To videos that highlight some of the key benefits of working with SIRIUS 3RW5 Soft Starters.

Getting Started
Fast & Easy Selection, Simulation, and Order
Automatic Parameterization
Pump Stopping and Pump Cleaning

Tomorrow’s Control Products, Today!

Explore SIRIUS 3RW Soft Starters from Electro-Matic

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