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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: $229.99
5In Stock

Mfr. Part No.
3RT20181AB01

Mouser Part No
982-3RT20181AB01

Siemens

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

Datasheet

5In Stock

$229.99

$227.28

View

Min.: 1
Mult.: 1

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

3RT20181AF02
Siemens
1: $229.99
1In Stock

Mfr. Part No.
3RT20181AF02

Mouser Part No
982-3RT20181AF02

Siemens

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

Datasheet

1In Stock

$229.99

$227.28

View

Min.: 1
Mult.: 1

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

3RT20181AK61
Siemens
1: $233.55
5In Stock

Mfr. Part No.
3RT20181AK61

Mouser Part No
982-3RT20181AK61

Siemens

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

Datasheet

5In Stock

$233.55

$206.83

$197.47

$190.67

Min.: 1
Mult.: 1

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

3RT20181AP01
Siemens
1: $229.99
2In Stock

Mfr. Part No.
3RT20181AP01

Mouser Part No
982-3RT20181AP01

Siemens

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

Datasheet

2In Stock

$229.99

$227.28

View

Min.: 1
Mult.: 1

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

3RT20181BB41
Siemens
1: $351.78
2In Stock
10Expected 21/9/2026

Mfr. Part No.
3RT20181BB41

Mouser Part No
982-3RT20181BB41

Siemens

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

Datasheet

2In Stock

10Expected 21/9/2026

$351.78

$321.26

$306.73

Min.: 1
Mult.: 1

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

3RT20181FB41
Siemens
1: $391.30
3In Stock

Mfr. Part No.
3RT20181FB41

Mouser Part No
982-3RT20181FB41

Siemens

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

Datasheet

3In Stock

$391.30

$348.39

$332.63

Min.: 1
Mult.: 1

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

3RT20182BB42
Siemens
1: $351.78
3In Stock

Mfr. Part No.
3RT20182BB42

Mouser Part No
982-3RT20182BB42

Siemens

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

Datasheet

3In Stock

$351.78

$313.74

$306.73

Min.: 1
Mult.: 1

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

3RT20231AC20
Siemens
1: $153.92
5In Stock

Mfr. Part No.
3RT20231AC20

Mouser Part No
982-3RT20231AC20

Siemens

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

Datasheet

5In Stock

$153.92

$137.09

$130.90

$126.38

$122.03

Min.: 1
Mult.: 1

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

3RT20231AF00
Siemens
1: $151.79
4In Stock

Mfr. Part No.
3RT20231AF00

Mouser Part No
982-3RT20231AF00

Siemens

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

Datasheet

4In Stock

$151.79

$137.09

$130.90

$126.38

$122.03

Min.: 1
Mult.: 1

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

3RT20231AG20
Siemens
1: $151.79
2In Stock

Mfr. Part No.
3RT20231AG20

Mouser Part No
982-3RT20231AG20

Siemens

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

Datasheet

2In Stock

$151.79

$137.09

$130.90

$126.38

$122.03

Min.: 1
Mult.: 1

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

3RT20231AK60
Siemens
1: $148.19
6In Stock

Mfr. Part No.
3RT20231AK60

Mouser Part No
982-3RT20231AK60

Siemens

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

Datasheet

6In Stock

$148.19

$137.09

$130.90

$126.38

$122.03

Min.: 1
Mult.: 1

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

3RT20231AL20
Siemens
1: $152.44
5In Stock

Mfr. Part No.
3RT20231AL20

Mouser Part No
982-3RT20231AL20

Siemens

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

Datasheet

5In Stock

$152.44

$152.43

$148.34

$145.22

View

Min.: 1
Mult.: 1

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

3RT20231AN20
Siemens
1: $152.78
1In Stock

Mfr. Part No.
3RT20231AN20

Mouser Part No
982-3RT20231AN20

Siemens

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

Datasheet

1In Stock

$152.78

$137.09

$130.90

$126.38

$122.03

Min.: 1
Mult.: 1

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

3RT20231AP00
Siemens
1: $155.50
4In Stock

Mfr. Part No.
3RT20231AP00

Mouser Part No
982-3RT20231AP00

Siemens

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

Datasheet

4In Stock

$155.50

$152.44

$152.43

$148.34

View

Min.: 1
Mult.: 1

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

3RT20231AP60
Siemens
1: $152.44
1In Stock

Mfr. Part No.
3RT20231AP60

Mouser Part No
982-3RT20231AP60

Siemens

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

Datasheet

1In Stock

$152.44

$152.43

$148.34

$145.22

View

Min.: 1
Mult.: 1

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

3RT20231BB40
Siemens
1: $306.63
3In Stock
4Expected 24/8/2026

Mfr. Part No.
3RT20231BB40

Mouser Part No
982-3RT20231BB40

Siemens

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

Datasheet

3In Stock

4Expected 24/8/2026

$306.63

$273.47

$268.52

$259.28

Min.: 1
Mult.: 1

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

3RT20231FB40
Siemens
1: $386.81
3In Stock

Mfr. Part No.
3RT20231FB40

Mouser Part No
982-3RT20231FB40

Siemens

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

Datasheet

3In Stock

$386.81

$344.39

$328.82

Min.: 1
Mult.: 1

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

3RT20232AK60
Siemens
1: $151.79
7In Stock

Mfr. Part No.
3RT20232AK60

Mouser Part No
982-3RT20232AK60

Siemens

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

Datasheet

7In Stock

$151.79

$139.93

$130.90

$126.38

$122.03

Min.: 1
Mult.: 1

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

3RT20232BB40
Siemens
1: $306.31
2In Stock

Mfr. Part No.
3RT20232BB40

Mouser Part No
982-3RT20232BB40

Siemens

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

Datasheet

2In Stock

$306.31

$281.25

$268.52

$259.28

Min.: 1
Mult.: 1

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

3RT20241AB00
Siemens
1: $178.55
2In Stock

Mfr. Part No.
3RT20241AB00

Mouser Part No
982-3RT20241AB00

Siemens

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

Datasheet

2In Stock

$178.55

$174.07

View

Min.: 1
Mult.: 1

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

3RT20241AC20
Siemens
1: $177.87
12In Stock

Mfr. Part No.
3RT20241AC20

Mouser Part No
982-3RT20241AC20

Siemens

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

Datasheet

12In Stock

$177.87

$165.65

$153.33

$148.05

Min.: 1
Mult.: 1

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

3RT20241AG20
Siemens
1: $179.28
6In Stock

Mfr. Part No.
3RT20241AG20

Mouser Part No
982-3RT20241AG20

Siemens

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

Datasheet

6In Stock

$179.28

$160.52

$153.26

$148.05

Min.: 1
Mult.: 1

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

3RT20241AK60
Siemens
1: $179.68
6In Stock

Mfr. Part No.
3RT20241AK60

Mouser Part No
982-3RT20241AK60

Siemens

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

Datasheet

6In Stock

$179.68

$160.58

$153.33

$148.05

Min.: 1
Mult.: 1

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

3RT20241AL20
Siemens
1: $178.55
5In Stock

Mfr. Part No.
3RT20241AL20

Mouser Part No
982-3RT20241AL20

Siemens

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

Datasheet

5In Stock

$178.55

$174.07

View

Min.: 1
Mult.: 1

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

3RT20241AN20
Siemens
1: $177.87
5In Stock

Mfr. Part No.
3RT20241AN20

Mouser Part No
982-3RT20241AN20

Siemens

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

Datasheet

5In Stock

$177.87

$160.58

$153.33

$148.05

Min.: 1
Mult.: 1