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Siemens SIRIUS 3RW5 Soft Starters

Siemens SIRIUS 3RW5 Soft Starters are high-performance soft starters that feature communication via Profibus, Profinet, Ethernet, and Modbus to ensure reliable operation. These starters are designed for a soft start and soft stop of three-phase motors and provide cost-effective solutions. The SIRIUS 3RW5 soft starters reliably prevent mechanical stress and line voltage dips that can cause problems in the machine or power supply system. These starters are an ideal alternative to star-delta starters and cover all drive types. The SIRIUS 3RW5 soft starters with modern hybrid switching technology offer user-friendly, efficient switching for long-term and energy-saving use.

Features

  • Automatic parameterization
  • Hybrid switching technology and 3-phase motor control
  • TIA integration – communications modules optional
  • Detachable HMI with color display, local interface, and a slot for a micro SD memory card
  • Torque control
  • Certified according to the ATEX/IECEx directive
  • Plug-in communications modules (PROFINET, PROFIBUS, EtherNet/IP, and Modbus)

3RW55 High Performance Soft Starters with Accessories

Siemens SIRIUS 3RW5 Soft Starters
Veröffentlichungsdatum: 2026-02-23 | Aktualisiert: 2026-03-13