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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: $224.33
5In Stock

Mfr. Part No.
3RT20181AB01

Mouser Part No
982-3RT20181AB01

Siemens

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

Datasheet

5In Stock

$224.33

$219.93

Min.: 1
Mult.: 1

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

3RT20181AF02
Siemens
1: $219.93
1In Stock

Mfr. Part No.
3RT20181AF02

Mouser Part No
982-3RT20181AF02

Siemens

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

Datasheet

1In Stock

$219.93

Min.: 1
Mult.: 1

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

3RT20181AK61
Siemens
1: $208.72
3In Stock

Mfr. Part No.
3RT20181AK61

Mouser Part No
982-3RT20181AK61

Siemens

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

Datasheet

3In Stock

$208.72

$186.02

$177.61

$171.50

Min.: 1
Mult.: 1

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

3RT20181AP01
Siemens
1: $220.05
3In Stock

Mfr. Part No.
3RT20181AP01

Mouser Part No
982-3RT20181AP01

Siemens

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

Datasheet

3In Stock

$220.05

$219.93

Min.: 1
Mult.: 1

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

3RT20181BB41
Siemens
1: $325.41
2In Stock

Mfr. Part No.
3RT20181BB41

Mouser Part No
982-3RT20181BB41

Siemens

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

Datasheet

2In Stock

$325.41

$289.84

$276.74

$267.21

Min.: 1
Mult.: 1

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

3RT20181FB41
Siemens
1: $352.55
2In Stock

Mfr. Part No.
3RT20181FB41

Mouser Part No
982-3RT20181FB41

Siemens

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

Datasheet

2In Stock

$352.55

$314.07

$299.86

Min.: 1
Mult.: 1

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

3RT20182BB41
Siemens
1: $325.44
6In Stock

Mfr. Part No.
3RT20182BB41

Mouser Part No
982-3RT20182BB41

Siemens

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

Datasheet

6In Stock

$325.44

$289.84

$276.74

$267.21

Min.: 1
Mult.: 1

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

3RT20182BB42
Siemens
1: $325.41
3In Stock

Mfr. Part No.
3RT20182BB42

Mouser Part No
982-3RT20182BB42

Siemens

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

Datasheet

3In Stock

$325.41

$289.70

$276.74

$267.21

Min.: 1
Mult.: 1

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

3RT20231AC20
Siemens
1: $138.67
6In Stock

Mfr. Part No.
3RT20231AC20

Mouser Part No
982-3RT20231AC20

Siemens

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

Datasheet

6In Stock

$138.67

$123.49

$117.90

$113.84

$109.92

Min.: 1
Mult.: 1

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

3RT20231AF00
Siemens
1: $107.96
5In Stock

Mfr. Part No.
3RT20231AF00

Mouser Part No
982-3RT20231AF00

Siemens

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

Datasheet

5In Stock

$107.96

$96.13

$94.80

Min.: 1
Mult.: 1

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

3RT20231AG20
Siemens
1: $138.62
3In Stock

Mfr. Part No.
3RT20231AG20

Mouser Part No
982-3RT20231AG20

Siemens

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

Datasheet

3In Stock

$138.62

$123.49

$117.90

$113.84

$109.92

Min.: 1
Mult.: 1

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

3RT20231AK60
Siemens
1: $138.62
4In Stock

Mfr. Part No.
3RT20231AK60

Mouser Part No
982-3RT20231AK60

Siemens

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

Datasheet

4In Stock

$138.62

$123.43

$117.90

$113.84

$109.92

Min.: 1
Mult.: 1

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

3RT20231AL20
Siemens
1: $145.98
2In Stock

Mfr. Part No.
3RT20231AL20

Mouser Part No
982-3RT20231AL20

Siemens

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

Datasheet

2In Stock

$145.98

$145.96

$145.64

View

Min.: 1
Mult.: 1

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

3RT20231AN20
Siemens
1: $138.61
1In Stock

Mfr. Part No.
3RT20231AN20

Mouser Part No
982-3RT20231AN20

Siemens

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

Datasheet

1In Stock

$138.61

$123.49

$117.90

$113.84

$109.92

Min.: 1
Mult.: 1

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

3RT20231AP00
Siemens
1: $146.05
4In Stock

Mfr. Part No.
3RT20231AP00

Mouser Part No
982-3RT20231AP00

Siemens

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

Datasheet

4In Stock

$146.05

$145.98

Min.: 1
Mult.: 1

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

3RT20231AP60
Siemens
1: $146.05
1In Stock

Mfr. Part No.
3RT20231AP60

Mouser Part No
982-3RT20231AP60

Siemens

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

Datasheet

1In Stock

$146.05

$145.98

Min.: 1
Mult.: 1

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

3RT20231FB40
Siemens
1: $348.81
3In Stock

Mfr. Part No.
3RT20231FB40

Mouser Part No
982-3RT20231FB40

Siemens

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

Datasheet

3In Stock

$348.81

$310.72

$296.65

Min.: 1
Mult.: 1

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

3RT20232AK60
Siemens
1: $138.60
6In Stock
6Expected 6/4/2026

Mfr. Part No.
3RT20232AK60

Mouser Part No
982-3RT20232AK60

Siemens

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

Datasheet

6In Stock

6Expected 6/4/2026

$138.60

$133.40

$117.90

$113.84

$109.92

Min.: 1
Mult.: 1

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

3RT20232BB40
Siemens
1: $297.86
2In Stock

Mfr. Part No.
3RT20232BB40

Mouser Part No
982-3RT20232BB40

Siemens

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

Datasheet

2In Stock

$297.86

$266.48

$254.43

$245.67

Min.: 1
Mult.: 1

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

3RT20241AB00
Siemens
1: $170.33
2In Stock

Mfr. Part No.
3RT20241AB00

Mouser Part No
982-3RT20241AB00

Siemens

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

Datasheet

2In Stock

$170.33

$168.08

$164.52

$160.99

View

Min.: 1
Mult.: 1

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

3RT20241AC20
Siemens
1: $161.05
8In Stock
8Expected 16/2/2026

Mfr. Part No.
3RT20241AC20

Mouser Part No
982-3RT20241AC20

Siemens

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

Datasheet

8In Stock

8Expected 16/2/2026

$161.05

$144.37

$137.85

$133.11

$128.52

Min.: 1
Mult.: 1

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

3RT20241AG20
Siemens
1: $162.03
5In Stock

Mfr. Part No.
3RT20241AG20

Mouser Part No
982-3RT20241AG20

Siemens

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

Datasheet

5In Stock

$162.03

$144.31

$137.79

$133.11

$128.52

Min.: 1
Mult.: 1

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

3RT20241AK60
Siemens
1: $162.10
6In Stock

Mfr. Part No.
3RT20241AK60

Mouser Part No
982-3RT20241AK60

Siemens

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

Datasheet

6In Stock

$162.10

$144.32

$137.80

$133.06

$128.52

Min.: 1
Mult.: 1

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

3RT20241AL20
Siemens
1: $174.10
5In Stock

Mfr. Part No.
3RT20241AL20

Mouser Part No
982-3RT20241AL20

Siemens

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

Datasheet

5In Stock

$174.10

$170.68

Quote

Min.: 1
Mult.: 1

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

3RT20241AN20
Siemens
1: $162.13
5In Stock

Mfr. Part No.
3RT20241AN20

Mouser Part No
982-3RT20241AN20

Siemens

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

Datasheet

5In Stock

$162.13

$144.37

$137.85

$133.11

$128.52

Min.: 1
Mult.: 1