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 (3,124)

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 S0 38A 24VAC 1NO/1NC SCRW

3RT20281AB00
Siemens
1: €282.65
1In Stock

Mfr. Part No.
3RT20281AB00

Mouser Part No
982-3RT20281AB00

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 24VAC 1NO/1NC SCRW

Datasheet

1In Stock

€282.65

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 24VAC 1NO/1NC SCRW

3RT20281AC20
Siemens
1: €268.43
5In Stock

Mfr. Part No.
3RT20281AC20

Mouser Part No
982-3RT20281AC20

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 24VAC 1NO/1NC SCRW

Datasheet

5In Stock

€268.43

€239.05

€228.24

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 110VAC 1NO/1NC SCRW

3RT20281AF00
Siemens
1: €232.26
5In Stock

Mfr. Part No.
3RT20281AF00

Mouser Part No
982-3RT20281AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 110VAC 1NO/1NC SCRW

Datasheet

5In Stock

€232.26

€232.25

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 230VAC 1NO/1NC SCRW

3RT20281AL20
Siemens
1: €268.42
4In Stock

Mfr. Part No.
3RT20281AL20

Mouser Part No
982-3RT20281AL20

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 230VAC 1NO/1NC SCRW

Datasheet

4In Stock

€268.42

€239.05

€228.24

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 220VAC 1NO/1NC SCRW

3RT20281AN20
Siemens
1: €281.30
3In Stock

Mfr. Part No.
3RT20281AN20

Mouser Part No
982-3RT20281AN20

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 220VAC 1NO/1NC SCRW

Datasheet

3In Stock

€281.30

€251.64

€240.25

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 230VAC 1NO/1NC SCRW

3RT20281AP00
Siemens
1: €282.77
3In Stock

Mfr. Part No.
3RT20281AP00

Mouser Part No
982-3RT20281AP00

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 230VAC 1NO/1NC SCRW

Datasheet

3In Stock

€282.77

€282.65

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 240VAC 1NO/1NC SCRW

3RT20281AP60
Siemens
1: €211.00
5In Stock

Mfr. Part No.
3RT20281AP60

Mouser Part No
982-3RT20281AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 240VAC 1NO/1NC SCRW

Datasheet

5In Stock

€211.00

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 110VAC 1NO/1NC SPRG

3RT20282AF00
Siemens
1: €288.44
2In Stock

Mfr. Part No.
3RT20282AF00

Mouser Part No
982-3RT20282AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 110VAC 1NO/1NC SPRG

Datasheet

2In Stock

€288.44

€282.65

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

3RT20351AB00
Siemens
1: €266.60
3In Stock

Mfr. Part No.
3RT20351AB00

Mouser Part No
982-3RT20351AB00

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

Datasheet

3In Stock

€266.60

€264.89

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

3RT20351AC20
Siemens
1: €258.70
3In Stock

Mfr. Part No.
3RT20351AC20

Mouser Part No
982-3RT20351AC20

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

Datasheet

3In Stock

€258.70

€230.40

€219.98

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 120VAC SCREW 1NO/1NC

3RT20351AK60
Siemens
1: €258.78
2In Stock

Mfr. Part No.
3RT20351AK60

Mouser Part No
982-3RT20351AK60

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 120VAC SCREW 1NO/1NC

Datasheet

2In Stock

€258.78

€230.40

€219.98

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

3RT20351AL20
Siemens
1: €256.70
4In Stock

Mfr. Part No.
3RT20351AL20

Mouser Part No
982-3RT20351AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

Datasheet

4In Stock

€256.70

€230.40

€219.98

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

3RT20351AP00
Siemens
1: €267.77
1In Stock

Mfr. Part No.
3RT20351AP00

Mouser Part No
982-3RT20351AP00

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

Datasheet

1In Stock

€267.77

€267.20

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VDC SCREW 1NO/1NC

3RT20351KB40
Siemens
1: €334.13
2In Stock

Mfr. Part No.
3RT20351KB40

Mouser Part No
982-3RT20351KB40

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VDC SCREW 1NO/1NC

Datasheet

2In Stock

€334.13

€297.58

€284.13

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 20-33VUC SCREW 1NO/1NC

3RT20351NB30
Siemens
1: €334.20
4In Stock

Mfr. Part No.
3RT20351NB30

Mouser Part No
982-3RT20351NB30

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 20-33VUC SCREW 1NO/1NC

Datasheet

4In Stock

€334.20

€297.59

€284.13

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 24VAC SCREW 1NO/1NC

3RT20361AC20
Siemens
1: €276.16
3In Stock

Mfr. Part No.
3RT20361AC20

Mouser Part No
982-3RT20361AC20

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 24VAC SCREW 1NO/1NC

Datasheet

3In Stock

€276.16

€245.94

€234.81

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 110VAC SCREW 1NO/1NC

3RT20361AG20
Siemens
1: €276.14
3In Stock

Mfr. Part No.
3RT20361AG20

Mouser Part No
982-3RT20361AG20

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 110VAC SCREW 1NO/1NC

Datasheet

3In Stock

€276.14

€245.94

€234.81

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 230VAC SCREW 1NO/1NC

3RT20361AL20
Siemens
1: €282.64
3In Stock

Mfr. Part No.
3RT20361AL20

Mouser Part No
982-3RT20361AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 230VAC SCREW 1NO/1NC

Datasheet

3In Stock

€282.64

€258.89

€247.17

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 240VAC SCREW 1NO/1NC

3RT20361AP60
Siemens
1: €276.16
3In Stock

Mfr. Part No.
3RT20361AP60

Mouser Part No
982-3RT20361AP60

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 240VAC SCREW 1NO/1NC

Datasheet

3In Stock

€276.16

€245.94

€234.81

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 20-33VUC SCREW 1NO/1NC

3RT20361NB30
Siemens
1: €364.36
2In Stock

Mfr. Part No.
3RT20361NB30

Mouser Part No
982-3RT20361NB30

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 20-33VUC SCREW 1NO/1NC

Datasheet

2In Stock

€364.36

€333.71

€318.61

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 120VAC SPRING 1NO/1NC

3RT20363AK60
Siemens
1: €217.49
4In Stock

Mfr. Part No.
3RT20363AK60

Mouser Part No
982-3RT20363AK60

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 120VAC SPRING 1NO/1NC

Datasheet

4In Stock

€217.49

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 24VDC VAR SPRNG 1NO/1NC

3RT20363XB400LA2
Siemens
1: €517.83
1In Stock

Mfr. Part No.
3RT20363XB400LA2

Mouser Part No
982-3RT20363XB400LA2

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 24VDC VAR SPRNG 1NO/1NC

Datasheet

1In Stock

€517.83

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 110VAC SCREW 1NO/1NC

3RT20371AG20
Siemens
1: €402.18
3In Stock

Mfr. Part No.
3RT20371AG20

Mouser Part No
982-3RT20371AG20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 110VAC SCREW 1NO/1NC

Datasheet

3In Stock

€402.18

€402.08

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

3RT20371AL20
Siemens
1: €402.18
3In Stock

Mfr. Part No.
3RT20371AL20

Mouser Part No
982-3RT20371AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

Datasheet

3In Stock

€402.18

€402.08

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 220VAC SCREW 1NO/1NC

3RT20371AN20
Siemens
1: €400.58
3In Stock

Mfr. Part No.
3RT20371AN20

Mouser Part No
982-3RT20371AN20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 220VAC SCREW 1NO/1NC

Datasheet

3In Stock

€400.58

€398.82

Min.: 1
Mult.: 1