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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 S6 185A 110-127VUC 3P BAR

3RT10566AF36
Siemens
1: $2,426.93
8In Stock

Mfr. Part #
3RT10566AF36

Mouser Part #
982-3RT10566AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 3P BAR

Datasheet

8In Stock

$2,426.93

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 2NO/2NC FIX

3RT10566AF363PA0
Siemens
1: $2,513.02
3In Stock

Mfr. Part #
3RT10566AF363PA0

Mouser Part #
982-3RT10566AF363PA0

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 2NO/2NC FIX

Datasheet

3In Stock

$2,513.02

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 220-240VUC 3P BAR

3RT10566AP36
Siemens
1: $2,426.93
3In Stock

Mfr. Part #
3RT10566AP36

Mouser Part #
982-3RT10566AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 220-240VUC 3P BAR

Datasheet

3In Stock

$2,426.93

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S10 225A 220-240VUC 3P BAR

3RT10646AP36
Siemens
1: $2,706.92
3In Stock

Mfr. Part #
3RT10646AP36

Mouser Part #
982-3RT10646AP36

Siemens

Contactors - Electromechanical CONTACTOR S10 225A 220-240VUC 3P BAR

Datasheet

3In Stock

$2,706.92

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S10 265A 110-127VUC 3P BAR

3RT10656AF36
Siemens
1: $2,929.24
1In Stock

Mfr. Part #
3RT10656AF36

Mouser Part #
982-3RT10656AF36

Siemens

Contactors - Electromechanical CONTACTOR S10 265A 110-127VUC 3P BAR

Datasheet

1In Stock

$2,929.24

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S10 265A 220-240VUC 3P BAR

3RT10656AP36
Siemens
1: $2,929.24
3In Stock

Mfr. Part #
3RT10656AP36

Mouser Part #
982-3RT10656AP36

Siemens

Contactors - Electromechanical CONTACTOR S10 265A 220-240VUC 3P BAR

Datasheet

3In Stock

$2,929.24

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S12 400A 110-127VUC 3P BAR

3RT10756AF36
Siemens
1: $4,208.34
5In Stock

Mfr. Part #
3RT10756AF36

Mouser Part #
982-3RT10756AF36

Siemens

Contactors - Electromechanical CONTACTOR S12 400A 110-127VUC 3P BAR

Datasheet

5In Stock

$4,208.34

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S12 500A 110-127VUC 3P BAR

3RT10766AF36
Siemens
1: $6,385.18
1In Stock

Mfr. Part #
3RT10766AF36

Mouser Part #
982-3RT10766AF36

Siemens

Contactors - Electromechanical CONTACTOR S12 500A 110-127VUC 3P BAR

Datasheet

1In Stock

$6,385.18

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1044

3RT19446A
Siemens
1: $759.30
6In Stock

Mfr. Part #
3RT19446A

Mouser Part #
982-3RT19446A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1044

Datasheet

6In Stock

$759.30

$694.15

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1054

3RT19546A
Siemens
1: $1,062.70
3In Stock

Mfr. Part #
3RT19546A

Mouser Part #
982-3RT19546A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1054

Datasheet

3In Stock

$1,062.70

$937.50

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1056

3RT19566A
Siemens
1: $1,732.23
3In Stock

Mfr. Part #
3RT19566A

Mouser Part #
982-3RT19566A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1056

Datasheet

3In Stock

$1,732.23

$1,618.70

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 7A 240VAC 1NO SPRG VRT

3RT20152AP611AA0
Siemens
1: $157.02
40In Stock

Mfr. Part #
3RT20152AP611AA0

Mouser Part #
982-3RT20152AP611AA0

Siemens

Contactors - Electromechanical CONTACTOR S00 7A 240VAC 1NO SPRG VRT

Datasheet

40In Stock

$157.02

$136.88

$130.70

$126.19

$124.53

Min.: 1
Mult.: 1

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

3RT20161AK61
Siemens
1: $153.57
19In Stock

Mfr. Part #
3RT20161AK61

Mouser Part #
982-3RT20161AK61

Siemens

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

Datasheet

19In Stock

$153.57

$148.07

$130.62

$126.12

$121.78

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR, AC3 9A 4KW 24VDC, 3-POLE

3RT20161BB41
Siemens
1: $177.01
19In Stock
20Expected 2026-06-12

Mfr. Part #
3RT20161BB41

Mouser Part #
982-3RT20161BB41

Siemens

Contactors - Electromechanical CONTACTOR, AC3 9A 4KW 24VDC, 3-POLE

Datasheet

19In Stock

20Expected 2026-06-12

$177.01

$157.56

$150.44

$145.30

$140.31

Min.: 1
Mult.: 1

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

3RT20162BB42
Siemens
1: $176.90
19In Stock

Mfr. Part #
3RT20162BB42

Mouser Part #
982-3RT20162BB42

Siemens

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

Datasheet

19In Stock

$176.90

$157.50

$150.47

$145.30

$140.31

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 230VAC 1NO SCRW

3RT20171AP01
Siemens
1: $186.84
15In Stock

Mfr. Part #
3RT20171AP01

Mouser Part #
982-3RT20171AP01

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 230VAC 1NO SCRW

Datasheet

15In Stock

$186.84

$166.42

$158.91

$153.43

$148.15

Min.: 1
Mult.: 1

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

3RT20171BB41
Siemens
1: $213.42
22In Stock

Mfr. Part #
3RT20171BB41

Mouser Part #
982-3RT20171BB41

Siemens

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

Datasheet

22In Stock

$213.42

$190.03

$181.44

$175.20

Min.: 1
Mult.: 1

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

3RT20181BB42
Siemens
1: $362.84
10In Stock

Mfr. Part #
3RT20181BB42

Mouser Part #
982-3RT20181BB42

Siemens

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

Datasheet

10In Stock

$362.84

$326.15

$308.59

$297.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 2NO/2NC SCRW

3RT20181BB443MA0
Siemens
1: $440.99
45In Stock

Mfr. Part #
3RT20181BB443MA0

Mouser Part #
982-3RT20181BB443MA0

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 2NO/2NC SCRW

Datasheet

45In Stock

$440.99

$393.76

$385.64

Min.: 1
Mult.: 1

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

3RT20241AF00
Siemens
1: $189.46
30In Stock

Mfr. Part #
3RT20241AF00

Mouser Part #
982-3RT20241AF00

Siemens

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

Datasheet

30In Stock

$189.46

$175.74

$174.72

$156.24

$150.86

Min.: 1
Mult.: 1

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

3RT20241BB40
Siemens
1: $339.78
9In Stock

Mfr. Part #
3RT20241BB40

Mouser Part #
982-3RT20241BB40

Siemens

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

Datasheet

9In Stock

$339.78

$302.50

$290.76

$280.75

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 24VDC 1NO/1NC SPRG

3RT20252BB40
Siemens
1: $408.66
8In Stock

Mfr. Part #
3RT20252BB40

Mouser Part #
982-3RT20252BB40

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 24VDC 1NO/1NC SPRG

Datasheet

8In Stock

$408.66

$359.32

$347.43

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 24VDC 1NO/1NC SCRW

3RT20261BB40
Siemens
1: $477.21
38In Stock

Mfr. Part #
3RT20261BB40

Mouser Part #
982-3RT20261BB40

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 24VDC 1NO/1NC SCRW

Datasheet

38In Stock

$477.21

$424.86

$405.54

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 120VAC 1NO/1NC SPRG

3RT20262AK60
Siemens
1: $314.63
19In Stock

Mfr. Part #
3RT20262AK60

Mouser Part #
982-3RT20262AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 120VAC 1NO/1NC SPRG

Datasheet

19In Stock

$314.63

$276.15

$275.19

$265.70

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 32A 230VAC 1NO/1NC SCRW

3RT20271AL20
Siemens
1: $435.74
6In Stock

Mfr. Part #
3RT20271AL20

Mouser Part #
982-3RT20271AL20

Siemens

Contactors - Electromechanical CONTACTOR S0 32A 230VAC 1NO/1NC SCRW

Datasheet

6In Stock

$435.74

$388.07

$370.51

Min.: 1
Mult.: 1