• Siemens SIRIUS 3RF34 Solid-State Motor Contactors 3-Pole (5.2-16 A)
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Siemens SIRIUS 3RF34 Solid-State Motor Contactors 3-Pole (5.2-16 A)

Siemens SIRIUS 3RF34 Solid-State Motor Contactors 3-Pole (5.2-16 A)

SIRIUS 3RF34 3-pole solid-state contactors for frequent switching of three-phase motors up to 7.5 kW, 2-pole controlled with instantaneous switching.

Key features

  • Rated operational current 5.2 A to 16 A (2.2-7.5 kW at 400 V)
  • Rated operational voltage 48-480 V AC; high blocking voltage versions 48-600 V AC
  • Instantaneous switching, 2-pole controlled
  • Control supply voltage 24 V DC or 110-230 V AC
  • Screw or spring-loaded terminals; link module to 3RV2 motor starter protector

Specifications

Brand Siemens
Product line SIRIUS 3RF34
Category Solid-state contactor for motors
Poles 3 (2-pole controlled)
Switching Instantaneous
Catalog chapter 6 - Soft starters and solid-state switching devices
Source Siemens Catalog IC 10 · 2026, p. 611
3RF3405-1BB04 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3410-1BB04 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3412-1BB04 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3416-1BB04 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3405-1BB24 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3410-1BB24 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3412-1BB24 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3416-1BB24 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3405-1BB06 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3410-1BB06 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3412-1BB06 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3416-1BB06 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3405-1BB26 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3410-1BB26 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3412-1BB26 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3416-1BB26 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3405-2BB04 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3410-2BB04 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3412-2BB04 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3416-2BB04 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3405-2BB24 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3410-2BB24 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3412-2BB24 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3416-2BB24 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3405-2BB06 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3410-2BB06 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3412-2BB06 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3416-2BB06 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3405-2BB26 Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3410-2BB26 Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3412-2BB26 Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3416-2BB26 Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
Solid-State ContactorsSiemens
32 product codes available in this family
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Siemens SIRIUS 3RF34 Solid-State Motor Contactors 3-Pole (5.2-16 A)

Brand Siemens·Solid-State Contactors

Available part numbers (32)

3RF3405-1BB04, 3RF3410-1BB04, 3RF3412-1BB04, 3RF3416-1BB04, 3RF3405-1BB24, 3RF3410-1BB24, 3RF3412-1BB24, 3RF3416-1BB24, 3RF3405-1BB06, 3RF3410-1BB06 + 22 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RF3405-1BB04Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3410-1BB04Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3412-1BB04Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3416-1BB04Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Screw
3RF3405-1BB24Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3410-1BB24Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3412-1BB24Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3416-1BB24Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Screw
3RF3405-1BB06Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3410-1BB06Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3412-1BB06Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3416-1BB06Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Screw
3RF3405-1BB26Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3410-1BB26Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3412-1BB26Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3416-1BB26Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Screw
3RF3405-2BB04Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3410-2BB04Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3412-2BB04Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3416-2BB04Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 24 V DC | Connection: Spring-loaded
3RF3405-2BB24Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3410-2BB24Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3412-2BB24Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3416-2BB24Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-480 V AC | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3405-2BB06Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3410-2BB06Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3412-2BB06Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3416-2BB06Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 24 V DC | Connection: Spring-loaded
3RF3405-2BB26Rated current: 5.2 A | Power 400 V: 2.2 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3410-2BB26Rated current: 9.2 A | Power 400 V: 4.0 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3412-2BB26Rated current: 12.5 A | Power 400 V: 5.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded
3RF3416-2BB26Rated current: 16 A | Power 400 V: 7.5 kW | Op voltage: 48-600 V AC (high blocking) | Control supply: 110-230 V AC | Connection: Spring-loaded

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