Siemens Sirius 3RW40 (5.5 – 55 kW) Basic

Siemens 3RW40361TB04

SIRIUS soft starter S2 45 A

Siemens 3RW40371BB04

  • S2 63 A
  • 30 kW/400 V
  • 40 °C 200-480 V AC
  • 24 V AC/DC Screw terminals

Siemens 3RW40556BB34

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  • S6 117 A
  • 75 hp/460 V
  • 50 °C 200-460 V AC
  • 115 V AC Screw terminals

Siemens 3RW40241TB04

Soft starter

  • Rated power: 5.5 kW
  • Rated current: 12,5 А
  • Rated mains voltage: 200-480 В
  • Power supply voltage for electronics: 24 V (AC/DC)

Siemens 3RW40471BB14

Siemens 3RW4047-1BB14 soft starters S3

  • 55 kW/400 V
  • 40 °C 
  • 200-480 V AC
  • 110-230 V AC/DC

Siemens 3RW40361BB05

SIRIUS soft starter S2 45 A

Siemens 3RW40362BB04

SIRIUS soft starter S2 45 A

Siemens 3RW40381BB14

SIRIUS soft starter S2 72 A

Siemens 3RW40566BB34

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SIRIUS soft starter S6 145 A

Siemens 3RW40566BB35

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SIRIUS soft starter S6 145 A

Siemens 3RW40566BB44

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SIRIUS soft starter S6 162 A

Siemens 3RW40566BB45

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SIRIUS soft starter S6 162 A

Siemens 3RW40732BB34

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SIRIUS soft starter S12 205 A

Siemens 3RW40732BB35

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SIRIUS soft starter S12 205 A

Siemens 3RW40732BB44

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SIRIUS soft starter S12 230 A

Siemens 3RW40732BB45

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SIRIUS soft starter S12 230 A

Siemens 3RW40736AB44

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SIRIUS soft starter S12 134 A

Siemens 3RW40736BB34

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SIRIUS soft starter S12 205 A

Siemens 3RW40736BB35

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SIRIUS soft starter S12 205 A

Siemens 3RW40736BB44

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SIRIUS soft starter S12 230 A

Siemens 3RW40736BB45

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SIRIUS soft starter S12 230 A

Siemens 3RW40742BB34

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SIRIUS soft starter S12 248 A

Siemens 3RW40742BB35

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SIRIUS soft starter S12 248 A

Siemens 3RW40742BB44

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SIRIUS soft starter S12 280 A

Siemens 3RW40746BB34

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SIRIUS soft starter S12 248 A

Siemens 3RW40746BB35

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SIRIUS soft starter S12 248 A

Siemens 3RW40746BB44

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SIRIUS soft starter S12 280 A

Siemens 3RW40746BB45

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SIRIUS soft starter S12 280 A

Siemens 3RW40752BB34

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SIRIUS soft starter S12 315 A

Siemens 3RW40752BB35

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SIRIUS soft starter S12 315 A


One more soft starter by Siemens from its basic performance series is 3RW40. It has all the main characteristics the model 3RW30 has, but there are plural unique features that make the 3RW40 original and demanded among other medium voltage equipment.

Its semiconductor motor overload protection with built-in safety system is making three-phase asynchronous motors working flawlessly. There are some more benefits that such starters have. They have a compact design making them suitable for the tinniest mechanisms. Also, with 3RW40, you’ll have the lowest energy losses. And their functionality and simple control are really fabulous.

There are additional accessories for Sirius 3RW40:

  • Link modules
  • Terminal covers
  • Fans
  • Auxiliary terminals
  • Infeed terminals
  • Sealing covers

You can easily mount it with 3-wire connection in the limited space. Siemens Sirius 3RW40 is suitable for use in ventilation devices, building equipment, presses and escalators, in pumping mechanisms and conveyors.

Fast and soft starting and stopping are easy to reach with that type of starters. You can order them online in our web store. We can also supply you with spare parts for your Siemens 3RW40 starters.