Skip to Main Content

+44 (0) 1494-427500

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

Change Location

English EUR

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 (3,123)

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; }

Part #

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SCREW 2NO/2NC

3RT20371NB34
Siemens
1: €538.11
3In Stock

Mfr. Part No.
3RT20371NB34

Mouser Part No
982-3RT20371NB34

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SCREW 2NO/2NC

Datasheet

3In Stock

€538.11

€527.56

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:45KW.2NO+2NC.84-155V AC/DC

3RT20461NF34
Siemens
1: €1,297.89
3In Stock

Mfr. Part No.
3RT20461NF34

Mouser Part No
982-3RT20461NF34

Siemens

Contactors - Electromechanical CONTACTOR.AC3:45KW.2NO+2NC.84-155V AC/DC

Datasheet

3In Stock

€1,297.89

€1,192.65

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BX TERM

3RT10541AF36
Siemens
1: €849.33
2In Stock
3Expected 09/09/2026

Mfr. Part No.
3RT10541AF36

Mouser Part No
982-3RT10541AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BX TERM

Datasheet

2In Stock

3Expected 09/09/2026

€849.33

€783.00

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BX TERM

3RT10541AP36
Siemens
1: €851.95
5In Stock

Mfr. Part No.
3RT10541AP36

Mouser Part No
982-3RT10541AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BX TERM

Datasheet

5In Stock

€851.95

€783.00

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 440-480VUC 3P BX TERM

3RT10541AR36
Siemens
1: €842.40
3In Stock

Mfr. Part No.
3RT10541AR36

Mouser Part No
982-3RT10541AR36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 440-480VUC 3P BX TERM

Datasheet

3In Stock

€842.40

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 23-26VUC 3P BAR

3RT10546AB36
Siemens
1: €808.90
4In Stock

Mfr. Part No.
3RT10546AB36

Mouser Part No
982-3RT10546AB36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 23-26VUC 3P BAR

Datasheet

4In Stock

€808.90

€739.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BAR

3RT10546AF36
Siemens
1: €807.08
11In Stock

Mfr. Part No.
3RT10546AF36

Mouser Part No
982-3RT10546AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BAR

Datasheet

11In Stock

€807.08

€739.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BAR

3RT10546AP36
Siemens
1: €808.90
3In Stock

Mfr. Part No.
3RT10546AP36

Mouser Part No
982-3RT10546AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BAR

Datasheet

3In Stock

€808.90

€739.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 150A 110-127VUC 3P BAR

3RT10556AF36
Siemens
1: €1,117.05
5In Stock

Mfr. Part No.
3RT10556AF36

Mouser Part No
982-3RT10556AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 150A 110-127VUC 3P BAR

Datasheet

5In Stock

€1,117.05

€1,074.70

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 150A 220-240VUC 3P BAR

3RT10556AP36
Siemens
1: €1,138.63
2In Stock

Mfr. Part No.
3RT10556AP36

Mouser Part No
982-3RT10556AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 150A 220-240VUC 3P BAR

Datasheet

2In Stock

€1,138.63

€1,129.95

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 23-26VUC 3P BAR

3RT10566AB36
Siemens
1: €1,514.75
2In Stock

Mfr. Part No.
3RT10566AB36

Mouser Part No
982-3RT10566AB36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 23-26VUC 3P BAR

Datasheet

2In Stock

€1,514.75

Min.: 1
Mult.: 1

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

3RT10566AF36
Siemens
1: €1,466.67
8In Stock

Mfr. Part No.
3RT10566AF36

Mouser Part No
982-3RT10566AF36

Siemens

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

Datasheet

8In Stock

€1,466.67

Min.: 1
Mult.: 1

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

3RT10566AF363PA0
Siemens
1: €1,570.93
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

€1,570.93

Min.: 1
Mult.: 1

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

3RT10566AP36
Siemens
1: €1,524.07
3In Stock

Mfr. Part No.
3RT10566AP36

Mouser Part No
982-3RT10566AP36

Siemens

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

Datasheet

3In Stock

€1,524.07

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 21-27VUC 3P BAR

3RT10566NB36
Siemens
1: €1,664.07
1In Stock

Mfr. Part No.
3RT10566NB36

Mouser Part No
982-3RT10566NB36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 21-27VUC 3P BAR

Datasheet

1In Stock

€1,664.07

Min.: 1
Mult.: 1

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

3RT10646AP36
Siemens
1: €1,607.26
3In Stock

Mfr. Part No.
3RT10646AP36

Mouser Part No
982-3RT10646AP36

Siemens

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

Datasheet

3In Stock

€1,607.26

Min.: 1
Mult.: 1

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

3RT10656AF36
Siemens
1: €1,817.49
1In Stock

Mfr. Part No.
3RT10656AF36

Mouser Part No
982-3RT10656AF36

Siemens

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

Datasheet

1In Stock

€1,817.49

Min.: 1
Mult.: 1

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

3RT10656AP36
Siemens
1: €1,817.22
3In Stock

Mfr. Part No.
3RT10656AP36

Mouser Part No
982-3RT10656AP36

Siemens

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

Datasheet

3In Stock

€1,817.22

Min.: 1
Mult.: 1

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

3RT10756AF36
Siemens
1: €2,464.47
4In Stock

Mfr. Part No.
3RT10756AF36

Mouser Part No
982-3RT10756AF36

Siemens

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

Datasheet

4In Stock

€2,464.47

Min.: 1
Mult.: 1

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

3RT10766AF36
Siemens
1: €3,812.57
1In Stock

Mfr. Part No.
3RT10766AF36

Mouser Part No
982-3RT10766AF36

Siemens

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

Datasheet

1In Stock

€3,812.57

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S6 275A 220-240VUC 3P BAR

3RT14566AP36
Siemens
1: €1,115.94
5In Stock

Mfr. Part No.
3RT14566AP36

Mouser Part No
982-3RT14566AP36

Siemens

Contactors - Electromechanical CONTACTOR RES S6 275A 220-240VUC 3P BAR

Datasheet

5In Stock

€1,115.94

€1,107.15

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1044

3RT19446A
Siemens
1: €490.72
5In Stock

Mfr. Part No.
3RT19446A

Mouser Part No
982-3RT19446A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1044

Datasheet

5In Stock

€490.72

€436.83

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1054

3RT19546A
Siemens
1: €651.45
3In Stock

Mfr. Part No.
3RT19546A

Mouser Part No
982-3RT19546A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1054

Datasheet

3In Stock

€651.45

€569.20

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1056

3RT19566A
Siemens
1: €1,010.38
3In Stock

Mfr. Part No.
3RT19566A

Mouser Part No
982-3RT19566A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1056

Datasheet

3In Stock

€1,010.38

€973.04

Min.: 1
Mult.: 1

Contactor Accessories CONTACTOR 3RT106/3RT107 TEMINAL LUG

3RT19664G
Siemens
1: €479.82
5In Stock

Mfr. Part No.
3RT19664G

Mouser Part No
982-3RT19664G

Siemens

Contactor Accessories CONTACTOR 3RT106/3RT107 TEMINAL LUG

Datasheet

5In Stock

€479.82

€410.95

Min.: 1
Mult.: 1