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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 COUPLNG RELAY S00 9A 24VDC 1NC SCRW

3RT20161KB42
Siemens
1: $199.48
2In Stock

Mfr. Part No.
3RT20161KB42

Mouser Part No
982-3RT20161KB42

Siemens

Contactors - Electromechanical COUPLNG RELAY S00 9A 24VDC 1NC SCRW

Datasheet

2In Stock

$199.48

$199.47

$198.98

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 24VAC 1NO SPRG

3RT20162AB01
Siemens
1: $151.29
4In Stock

Mfr. Part No.
3RT20162AB01

Mouser Part No
982-3RT20162AB01

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 24VAC 1NO SPRG

Datasheet

4In Stock

$151.29

$136.26

$130.10

$125.62

$121.30

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 110VAC 1NC SPRG

3RT20162AF02
Siemens
1: $150.12
5In Stock

Mfr. Part No.
3RT20162AF02

Mouser Part No
982-3RT20162AF02

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 110VAC 1NC SPRG

Datasheet

5In Stock

$150.12

$136.26

$130.10

$125.62

$121.30

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 120VAC 1NO SPRG

3RT20162AK61
Siemens
1: $150.12
6In Stock

Mfr. Part No.
3RT20162AK61

Mouser Part No
982-3RT20162AK61

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 120VAC 1NO SPRG

Datasheet

6In Stock

$150.12

$139.03

$130.10

$125.62

$121.30

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 230VAC 1NO SPRG

3RT20162AP01
Siemens
1: $151.87
4In Stock

Mfr. Part No.
3RT20162AP01

Mouser Part No
982-3RT20162AP01

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 230VAC 1NO SPRG

Datasheet

4In Stock

$151.87

$136.26

$130.10

$125.62

$121.30

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 240VAC 1NO SPRG

3RT20162AP61
Siemens
1: $151.80
2In Stock

Mfr. Part No.
3RT20162AP61

Mouser Part No
982-3RT20162AP61

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 240VAC 1NO SPRG

Datasheet

2In Stock

$151.80

$136.26

$130.10

$125.62

$121.30

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 1NO SPRG

3RT20162BB41
Siemens
1: $173.40
8In Stock

Mfr. Part No.
3RT20162BB41

Mouser Part No
982-3RT20162BB41

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 1NO SPRG

Datasheet

8In Stock

$173.40

$156.67

$149.59

$144.45

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 1NC SPRG

3RT20162FB42
Siemens
1: $197.84
5In Stock

Mfr. Part No.
3RT20162FB42

Mouser Part No
982-3RT20162FB42

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 1NC SPRG

Datasheet

5In Stock

$197.84

$179.60

$169.96

$167.36

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 24VAC 1NC SCRW

3RT20171AB02
Siemens
1: $184.48
11In Stock

Mfr. Part No.
3RT20171AB02

Mouser Part No
982-3RT20171AB02

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 24VAC 1NC SCRW

Datasheet

11In Stock

$184.48

$183.36

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 110VAC 1NO SCRW

3RT20171AF01
Siemens
1: $183.98
2In Stock

Mfr. Part No.
3RT20171AF01

Mouser Part No
982-3RT20171AF01

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 110VAC 1NO SCRW

Datasheet

2In Stock

$183.98

$165.92

$158.43

$152.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 110VAC 1NC SCRW

3RT20171AF02
Siemens
1: $188.20
4In Stock

Mfr. Part No.
3RT20171AF02

Mouser Part No
982-3RT20171AF02

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 110VAC 1NC SCRW

Datasheet

4In Stock

$188.20

$184.50

$183.36

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 100VAC 1NO SCRW

3RT20171AG61
Siemens
1: $198.70
1In Stock

Mfr. Part No.
3RT20171AG61

Mouser Part No
982-3RT20171AG61

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 100VAC 1NO SCRW

Datasheet

1In Stock

$198.70

$198.15

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 120VAC 1NO SCRW

3RT20171AK61
Siemens
1: $185.97
7In Stock

Mfr. Part No.
3RT20171AK61

Mouser Part No
982-3RT20171AK61

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 120VAC 1NO SCRW

Datasheet

7In Stock

$185.97

$165.92

$158.43

$152.97

Min.: 1
Mult.: 1

Contactors - Electromechanical Contactor, S00,12A,1NC Aux, 120 VAC Coil

3RT20171AK62
Siemens
1: $186.33
3In Stock

Mfr. Part No.
3RT20171AK62

Mouser Part No
982-3RT20171AK62

Siemens

Contactors - Electromechanical Contactor, S00,12A,1NC Aux, 120 VAC Coil

Datasheet

3In Stock

$186.33

$165.92

$158.43

$152.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 240VAC 1NO SCRW

3RT20171AP61
Siemens
1: $183.98
1In Stock

Mfr. Part No.
3RT20171AP61

Mouser Part No
982-3RT20171AP61

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 240VAC 1NO SCRW

Datasheet

1In Stock

$183.98

$165.92

$158.43

$152.97

Min.: 1
Mult.: 1

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

3RT20171BB42
Siemens
1: $206.57
9In Stock

Mfr. Part No.
3RT20171BB42

Mouser Part No
982-3RT20171BB42

Siemens

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

Datasheet

9In Stock

$206.57

$187.53

$177.45

$174.50

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 2NO/2NC SCRW

3RT20171BB443MA0
Siemens
1: $287.35
2In Stock

Mfr. Part No.
3RT20171BB443MA0

Mouser Part No
982-3RT20171BB443MA0

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 2NO/2NC SCRW

Datasheet

2In Stock

$287.35

$262.38

$250.53

$241.89

Min.: 1
Mult.: 1

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

3RT20171FB42
Siemens
1: $238.54
5In Stock

Mfr. Part No.
3RT20171FB42

Mouser Part No
982-3RT20171FB42

Siemens

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

Datasheet

5In Stock

$238.54

$236.14

View

Min.: 1
Mult.: 1

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

3RT20171KB41
Siemens
1: $239.39
5In Stock

Mfr. Part No.
3RT20171KB41

Mouser Part No
982-3RT20171KB41

Siemens

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

Datasheet

5In Stock

$239.39

$234.68

$234.67

$232.12

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NC DC24V M. VARISTO

3RT20171UB42
Siemens
1: $238.54
5In Stock

Mfr. Part No.
3RT20171UB42

Mouser Part No
982-3RT20171UB42

Siemens

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NC DC24V M. VARISTO

Datasheet

5In Stock

$238.54

$236.14

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NC DC24V M. VARISTO

3RT20171UB421AA0
Siemens
1: $250.95
1In Stock

Mfr. Part No.
3RT20171UB421AA0

Mouser Part No
982-3RT20171UB421AA0

Siemens

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NC DC24V M. VARISTO

Datasheet

1In Stock

$250.95

$248.61

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 24VAC 1NO SPRG

3RT20172AB01
Siemens
1: $184.50
5In Stock

Mfr. Part No.
3RT20172AB01

Mouser Part No
982-3RT20172AB01

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 24VAC 1NO SPRG

Datasheet

5In Stock

$184.50

$183.36

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 1NO SPRG

3RT20172BB41
Siemens
1: $206.57
2In Stock
8Expected 4/9/2026

Mfr. Part No.
3RT20172BB41

Mouser Part No
982-3RT20172BB41

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 1NO SPRG

Datasheet

2In Stock

8Expected 4/9/2026

$206.57

$189.28

$180.73

$174.50

Min.: 1
Mult.: 1

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

3RT20172BB42
Siemens
1: $211.55
8In Stock

Mfr. Part No.
3RT20172BB42

Mouser Part No
982-3RT20172BB42

Siemens

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

Datasheet

8In Stock

$211.55

$189.28

$180.73

$174.50

Min.: 1
Mult.: 1

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

3RT20172FB42
Siemens
1: $238.54
2In Stock

Mfr. Part No.
3RT20172FB42

Mouser Part No
982-3RT20172FB42

Siemens

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

Datasheet

2In Stock

$238.54

$236.14

View

Min.: 1
Mult.: 1