Skip to Main Content

+44 (0) 1494-427500

Part of the TTI Family of Specialists Contact Mouser (London) +44 (0) 1494-427500 Feedback

Change Location

English GBP

In Stock RoHS

.hide-partial { max-height: none; } .show-more { display: none; }

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.

All Results (3,124)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Select a category below to see filtering options and narrow down your search.

Part #

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

3RT10566AF36
Siemens
1: £1,175.54
8In Stock

Mfr. Part No.
3RT10566AF36

Mouser Part No
982-3RT10566AF36

Siemens

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

Datasheet

8In Stock

£1,175.54

Min.: 1
Mult.: 1

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

3RT10566AF363PA0
Siemens
1: £1,217.24
3In Stock

Mfr. Part No.
3RT10566AF363PA0

Mouser Part No
982-3RT10566AF363PA0

Siemens

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

Datasheet

3In Stock

£1,217.24

Min.: 1
Mult.: 1

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

3RT10566AP36
Siemens
1: £1,175.54
3In Stock

Mfr. Part No.
3RT10566AP36

Mouser Part No
982-3RT10566AP36

Siemens

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

Datasheet

3In Stock

£1,175.54

Min.: 1
Mult.: 1

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

3RT10646AP36
Siemens
1: £1,311.16
3In Stock

Mfr. Part No.
3RT10646AP36

Mouser Part No
982-3RT10646AP36

Siemens

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

Datasheet

3In Stock

£1,311.16

Min.: 1
Mult.: 1

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

3RT10656AF36
Siemens
1: £1,418.84
1In Stock

Mfr. Part No.
3RT10656AF36

Mouser Part No
982-3RT10656AF36

Siemens

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

Datasheet

1In Stock

£1,418.84

Min.: 1
Mult.: 1

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

3RT10656AP36
Siemens
1: £1,418.84
3In Stock

Mfr. Part No.
3RT10656AP36

Mouser Part No
982-3RT10656AP36

Siemens

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

Datasheet

3In Stock

£1,418.84

Min.: 1
Mult.: 1

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

3RT10756AF36
Siemens
1: £2,038.41
5In Stock

Mfr. Part No.
3RT10756AF36

Mouser Part No
982-3RT10756AF36

Siemens

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

Datasheet

5In Stock

£2,038.41

Min.: 1
Mult.: 1

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

3RT10766AF36
Siemens
1: £3,092.81
1In Stock

Mfr. Part No.
3RT10766AF36

Mouser Part No
982-3RT10766AF36

Siemens

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

Datasheet

1In Stock

£3,092.81

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1044

3RT19446A
Siemens
1: £367.79
6In Stock

Mfr. Part No.
3RT19446A

Mouser Part No
982-3RT19446A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1044

Datasheet

6In Stock

£367.79

£336.23

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1054

3RT19546A
Siemens
1: £514.74
3In Stock

Mfr. Part No.
3RT19546A

Mouser Part No
982-3RT19546A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1054

Datasheet

3In Stock

£514.74

£454.10

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1056

3RT19566A
Siemens
1: £839.05
3In Stock

Mfr. Part No.
3RT19566A

Mouser Part No
982-3RT19566A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1056

Datasheet

3In Stock

£839.05

£784.06

Min.: 1
Mult.: 1

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

3RT20152AP611AA0
Siemens
1: £76.06
40In Stock

Mfr. Part No.
3RT20152AP611AA0

Mouser Part No
982-3RT20152AP611AA0

Siemens

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

Datasheet

40In Stock

£76.06

£66.30

£63.31

£61.12

£60.32

Min.: 1
Mult.: 1

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

3RT20161AK61
Siemens
1: £74.39
19In Stock

Mfr. Part No.
3RT20161AK61

Mouser Part No
982-3RT20161AK61

Siemens

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

Datasheet

19In Stock

£74.39

£71.73

£63.27

£61.09

£58.99

Min.: 1
Mult.: 1

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

3RT20161BB41
Siemens
1: £85.74
19In Stock
20Expected 12/06/2026

Mfr. Part No.
3RT20161BB41

Mouser Part No
982-3RT20161BB41

Siemens

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

Datasheet

19In Stock

20Expected 12/06/2026

£85.74

£76.32

£72.87

£70.38

£67.96

Min.: 1
Mult.: 1

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

3RT20162BB42
Siemens
1: £85.68
19In Stock

Mfr. Part No.
3RT20162BB42

Mouser Part No
982-3RT20162BB42

Siemens

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

Datasheet

19In Stock

£85.68

£76.28

£72.89

£70.38

£67.96

Min.: 1
Mult.: 1

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

3RT20171AP01
Siemens
1: £90.50
15In Stock

Mfr. Part No.
3RT20171AP01

Mouser Part No
982-3RT20171AP01

Siemens

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

Datasheet

15In Stock

£90.50

£80.61

£76.97

£74.32

£71.76

Min.: 1
Mult.: 1

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

3RT20171BB41
Siemens
1: £103.37
22In Stock

Mfr. Part No.
3RT20171BB41

Mouser Part No
982-3RT20171BB41

Siemens

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

Datasheet

22In Stock

£103.37

£92.05

£87.88

£84.86

Min.: 1
Mult.: 1

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

3RT20181BB42
Siemens
1: £175.75
10In Stock

Mfr. Part No.
3RT20181BB42

Mouser Part No
982-3RT20181BB42

Siemens

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

Datasheet

10In Stock

£175.75

£157.98

£149.48

£144.33

Min.: 1
Mult.: 1

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

3RT20181BB443MA0
Siemens
1: £213.61
45In Stock

Mfr. Part No.
3RT20181BB443MA0

Mouser Part No
982-3RT20181BB443MA0

Siemens

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

Datasheet

45In Stock

£213.61

£190.72

£186.80

Min.: 1
Mult.: 1

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

3RT20241AF00
Siemens
1: £91.77
30In Stock

Mfr. Part No.
3RT20241AF00

Mouser Part No
982-3RT20241AF00

Siemens

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

Datasheet

30In Stock

£91.77

£85.13

£84.63

£75.68

£73.07

Min.: 1
Mult.: 1

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

3RT20241BB40
Siemens
1: £164.58
9In Stock

Mfr. Part No.
3RT20241BB40

Mouser Part No
982-3RT20241BB40

Siemens

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

Datasheet

9In Stock

£164.58

£146.52

£140.84

£135.99

Min.: 1
Mult.: 1

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

3RT20252BB40
Siemens
1: £197.94
8In Stock

Mfr. Part No.
3RT20252BB40

Mouser Part No
982-3RT20252BB40

Siemens

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

Datasheet

8In Stock

£197.94

£174.05

£168.29

Min.: 1
Mult.: 1

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

3RT20261BB40
Siemens
1: £231.15
38In Stock

Mfr. Part No.
3RT20261BB40

Mouser Part No
982-3RT20261BB40

Siemens

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

Datasheet

38In Stock

£231.15

£205.79

£196.43

Min.: 1
Mult.: 1

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

3RT20262AK60
Siemens
1: £152.40
19In Stock

Mfr. Part No.
3RT20262AK60

Mouser Part No
982-3RT20262AK60

Siemens

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

Datasheet

19In Stock

£152.40

£133.76

£133.29

£128.70

Min.: 1
Mult.: 1

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

3RT20271AL20
Siemens
1: £211.06
6In Stock

Mfr. Part No.
3RT20271AL20

Mouser Part No
982-3RT20271AL20

Siemens

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

Datasheet

6In Stock

£211.06

£187.97

£179.46

Min.: 1
Mult.: 1