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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: $167.86
4In Stock

Mfr. Part No.
3RT20172FB42

Mouser Part No
982-3RT20172FB42

Siemens

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

Datasheet

4In Stock

$167.86

$164.56

Quote

Min.: 1
Mult.: 1

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

3RT20172KB41
Siemens
1: $164.93
4In Stock

Mfr. Part No.
3RT20172KB41

Mouser Part No
982-3RT20172KB41

Siemens

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

Datasheet

4In Stock

$164.93

$161.69

Quote

Min.: 1
Mult.: 1

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

3RT20181AB01
Siemens
1: $161.42
5In Stock

Mfr. Part No.
3RT20181AB01

Mouser Part No
982-3RT20181AB01

Siemens

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

Datasheet

5In Stock

$161.42

$158.25

Min.: 1
Mult.: 1

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

3RT20181AF02
Siemens
1: $158.25
1In Stock

Mfr. Part No.
3RT20181AF02

Mouser Part No
982-3RT20181AF02

Siemens

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

Datasheet

1In Stock

$158.25

Min.: 1
Mult.: 1

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

3RT20181AK61
Siemens
1: $150.19
3In Stock

Mfr. Part No.
3RT20181AK61

Mouser Part No
982-3RT20181AK61

Siemens

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

Datasheet

3In Stock

$150.19

$133.85

$127.80

$123.41

Min.: 1
Mult.: 1

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

3RT20181AP01
Siemens
1: $158.34
3In Stock

Mfr. Part No.
3RT20181AP01

Mouser Part No
982-3RT20181AP01

Siemens

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

Datasheet

3In Stock

$158.34

$158.25

Min.: 1
Mult.: 1

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

3RT20181BB41
Siemens
1: $234.15
2In Stock

Mfr. Part No.
3RT20181BB41

Mouser Part No
982-3RT20181BB41

Siemens

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

Datasheet

2In Stock

$234.15

$208.56

$199.13

$192.28

Min.: 1
Mult.: 1

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

3RT20181FB41
Siemens
1: $253.67
2In Stock

Mfr. Part No.
3RT20181FB41

Mouser Part No
982-3RT20181FB41

Siemens

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

Datasheet

2In Stock

$253.67

$225.99

$215.77

Min.: 1
Mult.: 1

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

3RT20182BB41
Siemens
1: $234.17
6In Stock

Mfr. Part No.
3RT20182BB41

Mouser Part No
982-3RT20182BB41

Siemens

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

Datasheet

6In Stock

$234.17

$208.56

$199.13

$192.28

Min.: 1
Mult.: 1

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

3RT20182BB42
Siemens
1: $234.15
3In Stock

Mfr. Part No.
3RT20182BB42

Mouser Part No
982-3RT20182BB42

Siemens

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

Datasheet

3In Stock

$234.15

$208.46

$199.13

$192.28

Min.: 1
Mult.: 1

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

3RT20231AC20
Siemens
1: $99.77
6In Stock

Mfr. Part No.
3RT20231AC20

Mouser Part No
982-3RT20231AC20

Siemens

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

Datasheet

6In Stock

$99.77

$88.85

$84.84

$81.91

$79.10

Min.: 1
Mult.: 1

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

3RT20231AF00
Siemens
1: $77.69
5In Stock

Mfr. Part No.
3RT20231AF00

Mouser Part No
982-3RT20231AF00

Siemens

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

Datasheet

5In Stock

$77.69

$72.71

Min.: 1
Mult.: 1

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

3RT20231AG20
Siemens
1: $99.75
3In Stock

Mfr. Part No.
3RT20231AG20

Mouser Part No
982-3RT20231AG20

Siemens

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

Datasheet

3In Stock

$99.75

$88.85

$84.84

$81.91

$79.10

Min.: 1
Mult.: 1

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

3RT20231AK60
Siemens
1: $99.75
4In Stock

Mfr. Part No.
3RT20231AK60

Mouser Part No
982-3RT20231AK60

Siemens

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

Datasheet

4In Stock

$99.75

$88.82

$84.84

$81.91

$79.10

Min.: 1
Mult.: 1

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

3RT20231AL20
Siemens
1: $105.04
2In Stock

Mfr. Part No.
3RT20231AL20

Mouser Part No
982-3RT20231AL20

Siemens

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

Datasheet

2In Stock

$105.04

$105.03

$104.80

View

Min.: 1
Mult.: 1

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

3RT20231AN20
Siemens
1: $99.74
1In Stock

Mfr. Part No.
3RT20231AN20

Mouser Part No
982-3RT20231AN20

Siemens

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

Datasheet

1In Stock

$99.74

$88.85

$84.84

$81.91

$79.10

Min.: 1
Mult.: 1

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

3RT20231AP00
Siemens
1: $105.09
4In Stock

Mfr. Part No.
3RT20231AP00

Mouser Part No
982-3RT20231AP00

Siemens

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

Datasheet

4In Stock

$105.09

$105.04

Min.: 1
Mult.: 1

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

3RT20231AP60
Siemens
1: $105.09
1In Stock

Mfr. Part No.
3RT20231AP60

Mouser Part No
982-3RT20231AP60

Siemens

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

Datasheet

1In Stock

$105.09

$105.04

Min.: 1
Mult.: 1

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

3RT20231FB40
Siemens
1: $250.99
3In Stock

Mfr. Part No.
3RT20231FB40

Mouser Part No
982-3RT20231FB40

Siemens

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

Datasheet

3In Stock

$250.99

$223.58

$213.46

Min.: 1
Mult.: 1

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

3RT20232AK60
Siemens
1: $99.73
6In Stock
6Expected 2026/04/06

Mfr. Part No.
3RT20232AK60

Mouser Part No
982-3RT20232AK60

Siemens

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

Datasheet

6In Stock

6Expected 2026/04/06

$99.73

$95.98

$84.84

$81.91

$79.10

Min.: 1
Mult.: 1

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

3RT20232BB40
Siemens
1: $214.33
2In Stock

Mfr. Part No.
3RT20232BB40

Mouser Part No
982-3RT20232BB40

Siemens

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

Datasheet

2In Stock

$214.33

$191.74

$183.07

$176.78

Min.: 1
Mult.: 1

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

3RT20241AB00
Siemens
1: $122.56
2In Stock

Mfr. Part No.
3RT20241AB00

Mouser Part No
982-3RT20241AB00

Siemens

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

Datasheet

2In Stock

$122.56

$120.94

$118.38

$115.85

View

Min.: 1
Mult.: 1

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

3RT20241AC20
Siemens
1: $115.88
13In Stock

Mfr. Part No.
3RT20241AC20

Mouser Part No
982-3RT20241AC20

Siemens

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

Datasheet

13In Stock

$115.88

$103.88

$99.19

$95.77

$92.48

Min.: 1
Mult.: 1

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

3RT20241AG20
Siemens
1: $116.59
5In Stock

Mfr. Part No.
3RT20241AG20

Mouser Part No
982-3RT20241AG20

Siemens

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

Datasheet

5In Stock

$116.59

$103.84

$99.15

$95.77

$92.48

Min.: 1
Mult.: 1

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

3RT20241AK60
Siemens
1: $116.64
6In Stock

Mfr. Part No.
3RT20241AK60

Mouser Part No
982-3RT20241AK60

Siemens

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

Datasheet

6In Stock

$116.64

$103.84

$99.16

$95.75

$92.48

Min.: 1
Mult.: 1