Solid State Contactors

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SIRIUS 3RF4 Solid-State Switching Devices

Siemens SIRIUS 3RF4 Solid-State Switching Devices provide wear-free and noiseless switching of motors. The series is designed for frequently switching on/off AC drives up to 7.5kW and for reversing up to 3.0kW. These Siemens solid-state switching devices are fully insulated and can be mounted directly onto motor starter protectors, overload relays, and SIRIUS current monitoring relays. 3RF4 three-phase solid-state contactors are equipped with a two-phase control suitable for typical motor circuits without a connection to the neutral conductor. Siemens SIRIUS 3RF4 switching devices with a width of 45mm cover motors up to 2.2kW, and those with a width of 90mm cover motors up to 3kW.

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Part #

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24101AC45
Siemens
1: S/1,844.07
5In Stock

Mfr. Part #
3RF24101AC45

Mouser Part #
982-3RF24101AC45

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

5In Stock

S/1,844.07

S/1,610.09

S/1,586.51

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,30A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24301AC45
Siemens
1: S/2,161.82
3In Stock

Mfr. Part #
3RF24301AC45

Mouser Part #
982-3RF24301AC45

Siemens

Contactors - Solid State SS CONT,30A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

3In Stock

S/2,161.82

S/2,059.99

Min.: 1
Mult.: 1

Chassis Mount

30 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

89.5 mm

128 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24201AB45
Siemens
1: S/1,624.89
3In Stock

Mfr. Part #
3RF24201AB45

Mouser Part #
982-3RF24201AB45

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

3In Stock

S/1,624.89

S/1,469.38

S/1,448.32

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

45 mm

117 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24201AC45
Siemens
1: S/2,001.91
2In Stock
1Expected 10/23/2026

Mfr. Part #
3RF24201AC45

Mouser Part #
982-3RF24201AC45

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

2In Stock

1Expected 10/23/2026

S/2,001.91

S/1,779.26

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

74.5 mm

119.5 mm

100 mm

3RF4

Contactors - Solid State SS CONT,40A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24401AC45
Siemens
1: S/2,449.78
1In Stock
2Expected 10/26/2026

Mfr. Part #
3RF24401AC45

Mouser Part #
982-3RF24401AC45

Siemens

Contactors - Solid State SS CONT,40A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

1In Stock

2Expected 10/26/2026

S/2,449.78

S/2,227.87

Min.: 1
Mult.: 1

Chassis Mount

40 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

119.5 mm

130 mm

95 mm

3RF4

Contactors - Solid State SS CONT,50A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24501AB45
Siemens
1: S/2,323.04
2In Stock

Mfr. Part #
3RF24501AB45

Mouser Part #
982-3RF24501AB45

Siemens

Contactors - Solid State SS CONT,50A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

2In Stock

S/2,323.04

S/2,062.83

Min.: 1
Mult.: 1

Chassis Mount

50 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

119.5 mm

130 mm

95 mm

3RF4

Contactors - Solid State SS CONT,50A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24501AC45
Siemens
1: S/2,921.13
2In Stock
1Expected 10/23/2026

Mfr. Part #
3RF24501AC45

Mouser Part #
982-3RF24501AC45

Siemens

Contactors - Solid State SS CONT,50A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

2In Stock

1Expected 10/23/2026

S/2,921.13

S/2,523.12

Min.: 1
Mult.: 1

Chassis Mount

50 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

119.5 mm

130 mm

150 mm

3RF4

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

3RF24101AB35
Siemens
1: S/1,478.37
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24101AB35

Mouser Part #
982-3RF24101AB35

Siemens

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

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Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,478.37

S/1,409.82

S/1,389.62

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

90 VAC to 125 VAC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SCREW

3RF24101AB45
Siemens
1: S/1,376.66
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
3RF24101AB45

Mouser Part #
982-3RF24101AB45

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SCREW

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Datasheet

Non-Stocked Lead-Time 4 Weeks

S/1,376.66

S/1,312.82

S/1,293.98

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SCREW

3RF24101AB55
Siemens
1: S/1,478.37
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24101AB55

Mouser Part #
982-3RF24101AB55

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SCREW

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Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,478.37

S/1,409.82

S/1,389.62

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

230 VAC to 480 VAC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

3RF24101AC35
Siemens
1: S/1,761.82
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24101AC35

Mouser Part #
982-3RF24101AC35

Siemens

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

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Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,761.82

S/1,697.29

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

90 VAC to 125 VAC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SCREW

3RF24101AC55
Siemens
1: S/1,761.82
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24101AC55

Mouser Part #
982-3RF24101AC55

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SCREW

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,761.82

S/1,697.29

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SPRING

3RF24102AB45
Siemens
1: S/1,430.65
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
3RF24102AB45

Mouser Part #
982-3RF24102AB45

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 4 Weeks

S/1,430.65

S/1,364.36

S/1,344.78

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SPRING

3RF24102AB55
Siemens
1: S/1,535.63
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24102AB55

Mouser Part #
982-3RF24102AB55

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,535.63

S/1,478.49

S/1,457.51

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SPRING

3RF24102AC45
Siemens
1: S/1,739.75
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
3RF24102AC45

Mouser Part #
982-3RF24102AC45

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

S/1,739.75

S/1,676.03

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SPRING

3RF24102AC55
Siemens
1: S/1,856.37
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24102AC55

Mouser Part #
982-3RF24102AC55

Siemens

Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,856.37

S/1,788.41

Min.: 1
Mult.: 1

Chassis Mount

10.5 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

45 mm

96.5 mm

95 mm

3RF4

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

3RF24201AB35
Siemens
1: S/1,627.80
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24201AB35

Mouser Part #
982-3RF24201AB35

Siemens

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,627.80

S/1,567.24

S/1,544.97

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

90 VAC to 125 VAC

- 25 C

+ 60 C

45 mm

117 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SCREW

3RF24201AB55
Siemens
1: S/1,627.80
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24201AB55

Mouser Part #
982-3RF24201AB55

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SCREW

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,627.80

S/1,567.24

S/1,544.97

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

45 mm

117 mm

100 mm

3RF4

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

3RF24201AC35
Siemens
1: S/1,932.04
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
3RF24201AC35

Mouser Part #
982-3RF24201AC35

Siemens

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

Learn More

Datasheet

Non-Stocked Lead-Time 3 Weeks

S/1,932.04

S/1,861.28

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

90 VAC to 125 VAC

- 25 C

+ 60 C

74.5 mm

119.5 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SCREW

3RF24201AC55
Siemens
1: S/1,932.04
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24201AC55

Mouser Part #
982-3RF24201AC55

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SCREW

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,932.04

S/1,861.28

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

74.5 mm

119.5 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SPRING

3RF24202AB45
Siemens
1: S/1,580.08
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24202AB45

Mouser Part #
982-3RF24202AB45

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,580.08

S/1,521.34

S/1,499.74

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

45 mm

117 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SPRING

3RF24202AB55
Siemens
1: S/1,672.30
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24202AB55

Mouser Part #
982-3RF24202AB55

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,672.30

S/1,610.09

S/1,587.24

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

45 mm

117 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SPRING

3RF24202AC45
Siemens
1: S/1,935.16
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24202AC45

Mouser Part #
982-3RF24202AC45

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,935.16

S/1,864.31

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

4 VDC to 30 VDC

- 25 C

+ 60 C

74.5 mm

119.5 mm

100 mm

3RF4

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SPRING

3RF24202AC55
Siemens
1: S/2,037.41
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24202AC55

Mouser Part #
982-3RF24202AC55

Siemens

Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SPRING

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/2,037.41

S/1,962.72

Min.: 1
Mult.: 1

Chassis Mount

22 A

48 VAC to 600 VAC

180 VAC to 230 VAC

- 25 C

+ 60 C

74.5 mm

119.5 mm

100 mm

3RF4

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

3RF24301AB35
Siemens
1: S/1,739.75
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF24301AB35

Mouser Part #
982-3RF24301AB35

Siemens

Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2

Learn More

Datasheet

Non-Stocked Lead-Time 2 Weeks

S/1,739.75

S/1,676.03

Min.: 1
Mult.: 1

Chassis Mount

30 A

48 VAC to 600 VAC

90 VAC to 125 VAC

- 25 C

+ 60 C

74.5 mm

119.5 mm

100 mm

3RF4

SIRIUS 3RF4 Solid-State Switching Devices

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