Soft starters and solid-state switching devices

Homepage, see www.siemens.com/sirius-soft-starter

SiePortal topic page, see https://support.industry.siemens.com/cs/ww/en/view/109747404

SiePortal, see www.siemens.com/product?3RW

Simulation Tool for Soft Starters (STS), see https://support.industry.siemens.com/cs/ww/en/view/101494917

TIA Selection Tool Cloud (TST Cloud), see www.siemens.com/tstcloud/?node=Sirius3rwFolder

Conversion tool, see www.siemens.com/conversion-tool

3RW55

3RW55 Failsafe

3RW52

3RW50

3RW40

3RW30

Article No.

3RW soft starters

High Performance soft starters

3RW55 soft starters

• TIA integration optional
• Plug-in communications modules for PROFINET, PROFIBUS, EtherNet/IP and Modbus
• Removable HMI module with color display, local interface and slot for micro SD memory card
• Extended protection functions
• Up to 1 200 kW at 400 V (can be used in supply systems up to 690 V)
• Automatic parameterization for simple commissioning and reliability even under changing load conditions
• Hybrid switching technology for minimum power loss and 3-phase motor control for optimum/symmetrical motor control
• Pump stop for reduced mechanical loading and optimum pump stop control
• ATEX/IECEx certification
• System redundancy S2 (with PROFINET High-Feature communications module)

3RW55..‑.HA..

3RW55 Failsafe soft starters

• TIA integration optional
• Plug-in communications modules for PROFINET, PROFIBUS, EtherNet/IP and Modbus
• Removable HMI module with color display, local interface and slot for micro SD memory card
• Extended protection functions
• Up to 560 kW at 400 V (can be used in supply systems up to 480 V)
• SIL 1/PL c/STO without additional components
• SIL 3/PL e/STO with additional contactor and safety relay
• Hybrid switching technology for minimum power loss and 3-phase motor control for optimum/symmetrical motor control
• Pump stop for reduced mechanical loading and optimum pump stop control
• ATEX/IECEx certification
• System redundancy S2 (with PROFINET High-Feature communications module)

3RW55..‑.HF..

General Performance soft starters

3RW52 soft starters

• TIA integration optional
• Plug-in communications modules for PROFINET, PROFIBUS, EtherNet/IP and Modbus
• HMI modules optional
• Soft starting and stopping
• Current limiting
• Motor overload protection (optionally with thermistor motor protection)
• Analog output (optional)
• Up to 560 kW at 400 V (can be used in supply systems up to 600 V)
• Hybrid switching technology for minimum power loss and 3-phase motor control for optimum/symmetrical motor control
• Soft Torque for reduced mechanical loading and optimum pump stop
• Parameterization using potentiometers

3RW52

Basic Performance soft starters

3RW50 soft starters

• TIA integration optional
• Communications modules for PROFINET, PROFIBUS, EtherNet/IP and Modbus
• HMI modules optional
• Soft starting and stopping
• Current limiting
• Motor overload protection (optionally with thermistor motor protection)
• Analog output (optional)
• Up to 315 kW at 400 V (can be used in supply systems up to 600 V)
• Hybrid switching technology for minimum power loss and 2-phase motor control
• Soft Torque for reduced mechanical loading and optimum pump stop
• Parameterization using potentiometers
• ATEX/IECEx certification

3RW50

3RW40 soft starters

• Soft starting and stopping
• Current limiting
• Motor overload protection (optionally with thermistor motor protection)
• Up to 55 kW at 400 V (can be used in supply systems up to 600 V)
• Hybrid switching technology for minimum power loss and 2-phase motor control
• ATEX certification

3RW40

3RW30 soft starters

• Soft starting with voltage ramp
• Up to 55 kW at 400 V (can be used in supply systems up to 480 V)

3RW30

SiePortal, see www.siemens.com/product?3RF

Conversion tool, see www.siemens.com/conversion-tool

Online configurator, see www.siemens.com/sirius/configurators

3RF21

3RF20

3RF22

3RF23

3RF24

3RF29

3RF34 (motor)

Article No.

SIRIUS solid-state switching devices for switching resistive/inductive loads

Solid-state relays

Solid-state relays

• Widths of 22.5 mm and 45 mm
• Compact and space-saving design
• "Zero-point switching" version
• Mounting on existing cooling surfaces

3RF21

3RF20

3RF22

Solid-state contactors

Solid-state contactors

• Complete units comprising a solid-state relay and an optimized heat sink, "ready to use"
• Compact and space-saving design
• Versions for resistive loads "zero-point switching" and inductive loads "instantaneous switching"
• Special "low noise" and "short-circuit-proof" versions

3RF23

3RF24

Function modules

For extending the functionality of the 3RF21 solid-state relays and the 3RF23 solid-state contactors for many different applications

Converters

• For converting an analog input signal into an on/off ratio; can also be used on 3RF22 and 3RF24 3-phase switching devices

3RF2900‑0EA18

Load monitoring

• For load monitoring of one or more loads (partial loads)

3RF29..‑0FA08,
3RF29.0‑0GA1.

Heating current monitoring

• For load monitoring of one or more loads (partial loads); remote teach

3RF29..‑0JA..

Power controllers

• For setting the current by means of a solid-state switching device depending on a setpoint value set by the power controller.
  There is a choice of full-wave control and generalized phase control

3RF29..‑0KA..

Power regulators

• For regulating the current by means of a solid-state switching device, depending on a setpoint value set by the power regulator.
  Closed-loop control: full-wave control or generalized phase control

3RF29.0‑0HA..

SIRIUS solid-state switching devices for switching motors

Solid-state contactors

Solid-state contactors,
solid-state reversing contactors

• Complete units in the insulated enclosure with integrated heat sink, "ready to use"
• Compact and space-saving design
• Version for motors, "instantaneous switching"

3RF34