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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 16A 24VAC 1NO SCRW

3RT20181AB01
Siemens
1: $161.39
5In Stock

Mfr. Part No.
3RT20181AB01

Mouser Part No
982-3RT20181AB01

Siemens

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

Datasheet

5In Stock

$161.39

$158.22

Min.: 1
Mult.: 1

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

3RT20181AF02
Siemens
1: $158.22
1In Stock

Mfr. Part No.
3RT20181AF02

Mouser Part No
982-3RT20181AF02

Siemens

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

Datasheet

1In Stock

$158.22

Min.: 1
Mult.: 1

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

3RT20181AK61
Siemens
1: $150.16
3In Stock

Mfr. Part No.
3RT20181AK61

Mouser Part No
982-3RT20181AK61

Siemens

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

Datasheet

3In Stock

$150.16

$133.83

$127.78

$123.38

Min.: 1
Mult.: 1

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

3RT20181AP01
Siemens
1: $158.31
3In Stock

Mfr. Part No.
3RT20181AP01

Mouser Part No
982-3RT20181AP01

Siemens

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

Datasheet

3In Stock

$158.31

$158.22

Min.: 1
Mult.: 1

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

3RT20181BB41
Siemens
1: $234.11
2In Stock

Mfr. Part No.
3RT20181BB41

Mouser Part No
982-3RT20181BB41

Siemens

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

Datasheet

2In Stock

$234.11

$208.52

$199.09

$192.24

Min.: 1
Mult.: 1

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

3RT20181FB41
Siemens
1: $253.63
2In Stock

Mfr. Part No.
3RT20181FB41

Mouser Part No
982-3RT20181FB41

Siemens

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

Datasheet

2In Stock

$253.63

$225.95

$215.73

Min.: 1
Mult.: 1

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

3RT20182BB41
Siemens
1: $234.13
6In Stock

Mfr. Part No.
3RT20182BB41

Mouser Part No
982-3RT20182BB41

Siemens

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

Datasheet

6In Stock

$234.13

$208.52

$199.09

$192.24

Min.: 1
Mult.: 1

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

3RT20182BB42
Siemens
1: $234.11
3In Stock

Mfr. Part No.
3RT20182BB42

Mouser Part No
982-3RT20182BB42

Siemens

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

Datasheet

3In Stock

$234.11

$208.42

$199.09

$192.24

Min.: 1
Mult.: 1

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

3RT20231AC20
Siemens
1: $99.76
6In Stock

Mfr. Part No.
3RT20231AC20

Mouser Part No
982-3RT20231AC20

Siemens

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

Datasheet

6In Stock

$99.76

$88.84

$84.82

$81.90

$79.08

Min.: 1
Mult.: 1

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

3RT20231AF00
Siemens
1: $77.67
5In Stock

Mfr. Part No.
3RT20231AF00

Mouser Part No
982-3RT20231AF00

Siemens

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

Datasheet

5In Stock

$77.67

$69.16

$68.20

Min.: 1
Mult.: 1

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

3RT20231AG20
Siemens
1: $99.73
3In Stock

Mfr. Part No.
3RT20231AG20

Mouser Part No
982-3RT20231AG20

Siemens

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

Datasheet

3In Stock

$99.73

$88.84

$84.82

$81.90

$79.08

Min.: 1
Mult.: 1

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

3RT20231AK60
Siemens
1: $99.73
4In Stock

Mfr. Part No.
3RT20231AK60

Mouser Part No
982-3RT20231AK60

Siemens

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

Datasheet

4In Stock

$99.73

$88.80

$84.82

$81.90

$79.08

Min.: 1
Mult.: 1

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

3RT20231AL20
Siemens
1: $105.02
2In Stock

Mfr. Part No.
3RT20231AL20

Mouser Part No
982-3RT20231AL20

Siemens

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

Datasheet

2In Stock

$105.02

$105.01

$104.78

View

Min.: 1
Mult.: 1

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

3RT20231AN20
Siemens
1: $99.72
1In Stock

Mfr. Part No.
3RT20231AN20

Mouser Part No
982-3RT20231AN20

Siemens

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

Datasheet

1In Stock

$99.72

$88.84

$84.82

$81.90

$79.08

Min.: 1
Mult.: 1

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

3RT20231AP00
Siemens
1: $105.07
4In Stock

Mfr. Part No.
3RT20231AP00

Mouser Part No
982-3RT20231AP00

Siemens

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

Datasheet

4In Stock

$105.07

$105.02

Min.: 1
Mult.: 1

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

3RT20231AP60
Siemens
1: $105.07
1In Stock

Mfr. Part No.
3RT20231AP60

Mouser Part No
982-3RT20231AP60

Siemens

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

Datasheet

1In Stock

$105.07

$105.02

Min.: 1
Mult.: 1

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

3RT20231FB40
Siemens
1: $250.94
3In Stock

Mfr. Part No.
3RT20231FB40

Mouser Part No
982-3RT20231FB40

Siemens

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

Datasheet

3In Stock

$250.94

$223.54

$213.42

Min.: 1
Mult.: 1

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

3RT20232AK60
Siemens
1: $99.71
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

$99.71

$95.97

$84.82

$81.90

$79.08

Min.: 1
Mult.: 1

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

3RT20232BB40
Siemens
1: $214.29
2In Stock

Mfr. Part No.
3RT20232BB40

Mouser Part No
982-3RT20232BB40

Siemens

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

Datasheet

2In Stock

$214.29

$191.71

$183.04

$176.74

Min.: 1
Mult.: 1

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

3RT20241AB00
Siemens
1: $122.54
2In Stock

Mfr. Part No.
3RT20241AB00

Mouser Part No
982-3RT20241AB00

Siemens

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

Datasheet

2In Stock

$122.54

$120.92

$118.36

$115.82

View

Min.: 1
Mult.: 1

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

3RT20241AC20
Siemens
1: $115.86
8In Stock
8Expected 20/02/2026

Mfr. Part No.
3RT20241AC20

Mouser Part No
982-3RT20241AC20

Siemens

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

Datasheet

8In Stock

8Expected 20/02/2026

$115.86

$103.86

$99.17

$95.76

$92.46

Min.: 1
Mult.: 1

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

3RT20241AG20
Siemens
1: $116.57
5In Stock

Mfr. Part No.
3RT20241AG20

Mouser Part No
982-3RT20241AG20

Siemens

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

Datasheet

5In Stock

$116.57

$103.82

$99.13

$95.76

$92.46

Min.: 1
Mult.: 1

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

3RT20241AK60
Siemens
1: $116.62
6In Stock

Mfr. Part No.
3RT20241AK60

Mouser Part No
982-3RT20241AK60

Siemens

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

Datasheet

6In Stock

$116.62

$103.83

$99.14

$95.73

$92.46

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 230VAC 1NO/1NC SCRW

3RT20241AL20
Siemens
1: $125.25
5In Stock

Mfr. Part No.
3RT20241AL20

Mouser Part No
982-3RT20241AL20

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 230VAC 1NO/1NC SCRW

Datasheet

5In Stock

$125.25

$122.79

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 220VAC 1NO/1NC SCRW

3RT20241AN20
Siemens
1: $116.64
5In Stock

Mfr. Part No.
3RT20241AN20

Mouser Part No
982-3RT20241AN20

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 220VAC 1NO/1NC SCRW

Datasheet

5In Stock

$116.64

$103.86

$99.17

$95.76

$92.46

Min.: 1
Mult.: 1