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SIRIUS 2 Contactors

Siemens SIRIUS 2 Contactors provide switching with high contact reliability, prolonged endurance, and usability in extreme conditions. The comprehensive SIRIUS 2 lineup includes 3RT devices that offer up to 2650A switching without current derating, even at an ambient temperature of +55°C. Siemens SIRIUS 2 Contactors comply with all major standards and certificates, making them suitable for a variety of applications.

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Part #

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 1NC SPRG

3RT20172FB42
Siemens
1: £126.00
4In Stock

Mfr. Part No.
3RT20172FB42

Mouser Part No
982-3RT20172FB42

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 1NC SPRG

Datasheet

4In Stock

£126.00

£123.53

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPLNG RELAY S00 12A 24VDC 1NO SPRG

3RT20172KB41
Siemens
1: £123.80
4In Stock

Mfr. Part No.
3RT20172KB41

Mouser Part No
982-3RT20172KB41

Siemens

Contactors - Electromechanical COUPLNG RELAY S00 12A 24VDC 1NO SPRG

Datasheet

4In Stock

£123.80

£121.37

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VAC 1NO SCRW

3RT20181AB01
Siemens
1: £121.17
5In Stock

Mfr. Part No.
3RT20181AB01

Mouser Part No
982-3RT20181AB01

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VAC 1NO SCRW

Datasheet

5In Stock

£121.17

£118.79

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 110VAC 1NC SCRW

3RT20181AF02
Siemens
1: £118.79
1In Stock

Mfr. Part No.
3RT20181AF02

Mouser Part No
982-3RT20181AF02

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 110VAC 1NC SCRW

Datasheet

1In Stock

£118.79

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 120VAC 1NO SCRW

3RT20181AK61
Siemens
1: £112.74
3In Stock

Mfr. Part No.
3RT20181AK61

Mouser Part No
982-3RT20181AK61

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 120VAC 1NO SCRW

Datasheet

3In Stock

£112.74

£100.47

£95.93

£92.63

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 230VAC 1NO SCRW

3RT20181AP01
Siemens
1: £118.86
3In Stock

Mfr. Part No.
3RT20181AP01

Mouser Part No
982-3RT20181AP01

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 230VAC 1NO SCRW

Datasheet

3In Stock

£118.86

£118.79

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SCRW

3RT20181BB41
Siemens
1: £175.76
2In Stock

Mfr. Part No.
3RT20181BB41

Mouser Part No
982-3RT20181BB41

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SCRW

Datasheet

2In Stock

£175.76

£156.56

£149.48

£144.33

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SCRW

3RT20181FB41
Siemens
1: £190.42
2In Stock

Mfr. Part No.
3RT20181FB41

Mouser Part No
982-3RT20181FB41

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SCRW

Datasheet

2In Stock

£190.42

£169.64

£161.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SPRG

3RT20182BB41
Siemens
1: £175.78
6In Stock

Mfr. Part No.
3RT20182BB41

Mouser Part No
982-3RT20182BB41

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SPRG

Datasheet

6In Stock

£175.78

£156.56

£149.48

£144.33

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NC SPRG

3RT20182BB42
Siemens
1: £175.76
3In Stock

Mfr. Part No.
3RT20182BB42

Mouser Part No
982-3RT20182BB42

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NC SPRG

Datasheet

3In Stock

£175.76

£156.48

£149.48

£144.33

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 24VAC 1NO/1NC SCRW

3RT20231AC20
Siemens
1: £74.89
6In Stock

Mfr. Part No.
3RT20231AC20

Mouser Part No
982-3RT20231AC20

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 24VAC 1NO/1NC SCRW

Datasheet

6In Stock

£74.89

£66.70

£63.69

£61.49

£59.37

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 110VAC 1NO/1NC SCRW

3RT20231AF00
Siemens
1: £58.32
5In Stock

Mfr. Part No.
3RT20231AF00

Mouser Part No
982-3RT20231AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 110VAC 1NO/1NC SCRW

Datasheet

5In Stock

£58.32

£54.58

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 110VAC 1NO/1NC SCRW

3RT20231AG20
Siemens
1: £74.88
3In Stock

Mfr. Part No.
3RT20231AG20

Mouser Part No
982-3RT20231AG20

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 110VAC 1NO/1NC SCRW

Datasheet

3In Stock

£74.88

£66.70

£63.69

£61.49

£59.37

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 120VAC 1NO/1NC SCRW

3RT20231AK60
Siemens
1: £74.88
4In Stock

Mfr. Part No.
3RT20231AK60

Mouser Part No
982-3RT20231AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 120VAC 1NO/1NC SCRW

Datasheet

4In Stock

£74.88

£66.67

£63.69

£61.49

£59.37

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 230VAC 1NO/1NC SCRW

3RT20231AL20
Siemens
1: £78.85
2In Stock

Mfr. Part No.
3RT20231AL20

Mouser Part No
982-3RT20231AL20

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 230VAC 1NO/1NC SCRW

Datasheet

2In Stock

£78.85

£78.84

£78.67

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 220VAC 1NO/1NC SCRW

3RT20231AN20
Siemens
1: £74.87
1In Stock

Mfr. Part No.
3RT20231AN20

Mouser Part No
982-3RT20231AN20

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 220VAC 1NO/1NC SCRW

Datasheet

1In Stock

£74.87

£66.70

£63.69

£61.49

£59.37

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 230VAC 1NO/1NC SCRW

3RT20231AP00
Siemens
1: £78.88
4In Stock

Mfr. Part No.
3RT20231AP00

Mouser Part No
982-3RT20231AP00

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 230VAC 1NO/1NC SCRW

Datasheet

4In Stock

£78.88

£78.85

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 230VAC 1NO/1NC SCRW

3RT20231AP60
Siemens
1: £78.88
1In Stock

Mfr. Part No.
3RT20231AP60

Mouser Part No
982-3RT20231AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 230VAC 1NO/1NC SCRW

Datasheet

1In Stock

£78.88

£78.85

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 24VDC 1NO/1NC SCRW

3RT20231FB40
Siemens
1: £188.40
3In Stock

Mfr. Part No.
3RT20231FB40

Mouser Part No
982-3RT20231FB40

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 24VDC 1NO/1NC SCRW

Datasheet

3In Stock

£188.40

£167.83

£160.23

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 120VAC 1NO/1NC SPRG

3RT20232AK60
Siemens
1: £74.86
6In Stock
6Expected 06/04/2026

Mfr. Part No.
3RT20232AK60

Mouser Part No
982-3RT20232AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 120VAC 1NO/1NC SPRG

Datasheet

6In Stock

6Expected 06/04/2026

£74.86

£72.05

£63.69

£61.49

£59.37

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 24VDC 1NO/1NC SPRG

3RT20232BB40
Siemens
1: £160.89
2In Stock

Mfr. Part No.
3RT20232BB40

Mouser Part No
982-3RT20232BB40

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 24VDC 1NO/1NC SPRG

Datasheet

2In Stock

£160.89

£143.93

£137.42

£132.70

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 24VAC 1NO/1NC SCRW

3RT20241AB00
Siemens
1: £92.00
2In Stock

Mfr. Part No.
3RT20241AB00

Mouser Part No
982-3RT20241AB00

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 24VAC 1NO/1NC SCRW

Datasheet

2In Stock

£92.00

£90.78

£88.86

£86.96

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 24VAC 1NO/1NC SCRW

3RT20241AC20
Siemens
1: £86.99
13In Stock

Mfr. Part No.
3RT20241AC20

Mouser Part No
982-3RT20241AC20

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 24VAC 1NO/1NC SCRW

Datasheet

13In Stock

£86.99

£77.98

£74.46

£71.89

£69.42

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 110VAC 1NO/1NC SCRW

3RT20241AG20
Siemens
1: £87.52
5In Stock

Mfr. Part No.
3RT20241AG20

Mouser Part No
982-3RT20241AG20

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 110VAC 1NO/1NC SCRW

Datasheet

5In Stock

£87.52

£77.95

£74.42

£71.89

£69.42

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 120VAC 1NO/1NC SCRW

3RT20241AK60
Siemens
1: £87.55
6In Stock

Mfr. Part No.
3RT20241AK60

Mouser Part No
982-3RT20241AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 120VAC 1NO/1NC SCRW

Datasheet

6In Stock

£87.55

£77.95

£74.43

£71.87

£69.42

Min.: 1
Mult.: 1