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 S00 7A 120VAC 1NC SPRG

3RT20152AK61
Siemens
1: £69.55
2Expected 16/03/2026

Mfr. Part No.
3RT20152AK61

Mouser Part No
982-3RT20152AK61

Siemens

Contactors - Electromechanical CONTACTOR S00 7A 120VAC 1NC SPRG

Datasheet

2Expected 16/03/2026

£69.55

£61.93

£59.13

£57.09

£55.13

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 7A 24VDC 1NO SPRG

3RT20152BB41
Siemens
1: £80.93
5Expected 27/03/2026

Mfr. Part No.
3RT20152BB41

Mouser Part No
982-3RT20152BB41

Siemens

Contactors - Electromechanical CONTACTOR S00 7A 24VDC 1NO SPRG

Datasheet

5Expected 27/03/2026

£80.93

£72.06

£68.81

£66.44

£64.16

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 110VAC 2NO/2NC SPRG

3RT20162AF04
Siemens
1: £117.06
1Expected 12/03/2026

Mfr. Part No.
3RT20162AF04

Mouser Part No
982-3RT20162AF04

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 110VAC 2NO/2NC SPRG

Datasheet

1Expected 12/03/2026

£117.06

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NO DC24V M. VARISTO

3RT20171UB411AA0
Siemens
1: £130.04
1Expected 15/04/2026

Mfr. Part No.
3RT20171UB411AA0

Mouser Part No
982-3RT20171UB411AA0

Siemens

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NO DC24V M. VARISTO

Datasheet

1Expected 15/04/2026

£130.04

£129.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 24VDC 1NO/1NC SCRW

3RT20231BB40
Siemens
1: £153.49
2Expected 19/03/2026

Mfr. Part No.
3RT20231BB40

Mouser Part No
982-3RT20231BB40

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 24VDC 1NO/1NC SCRW

Datasheet

2Expected 19/03/2026

£153.49

£136.66

£130.56

£126.05

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 480VAC 1NO/1NC SCRW

3RT20241AV60
Siemens
1: £99.09
6Expected 18/03/2026

Mfr. Part No.
3RT20241AV60

Mouser Part No
982-3RT20241AV60

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 480VAC 1NO/1NC SCRW

Datasheet

6Expected 18/03/2026

£99.09

£99.02

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 120VAC 1NO/1NC SCRW

3RT20251AK60
Siemens
1: £115.11
9Expected 03/04/2026

Mfr. Part No.
3RT20251AK60

Mouser Part No
982-3RT20251AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 120VAC 1NO/1NC SCRW

Datasheet

9Expected 03/04/2026

£115.11

£101.38

£96.72

£94.49

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 48VDC 1NO/1NC SCRW

3RT20261BW40
Siemens
1: £243.41
1In Stock
3Expected 18/03/2026

Mfr. Part No.
3RT20261BW40

Mouser Part No
982-3RT20261BW40

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 48VDC 1NO/1NC SCRW

Datasheet

1In Stock

3Expected 18/03/2026

£243.41

£243.31

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 24VDC 2NO/2NC SCRW

3RT20261FB443MA0
Siemens
1: £285.37
1Expected 23/03/2026

Mfr. Part No.
3RT20261FB443MA0

Mouser Part No
982-3RT20261FB443MA0

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 24VDC 2NO/2NC SCRW

Datasheet

1Expected 23/03/2026

£285.37

£254.06

£242.56

Min.: 1
Mult.: 1

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

3RT20363KB40
Siemens
1: £327.24
1Expected 27/03/2026

Mfr. Part No.
3RT20363KB40

Mouser Part No
982-3RT20363KB40

Siemens

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

Datasheet

1Expected 27/03/2026

£327.24

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S2 60A 4P 208VAC 1NO/1NC

3RT23361AM20
Siemens
1: £336.59
1Expected 15/04/2026

Mfr. Part No.
3RT23361AM20

Mouser Part No
982-3RT23361AM20

Siemens

Contactors - Electromechanical CONTACTOR RES S2 60A 4P 208VAC 1NO/1NC

Datasheet

1Expected 15/04/2026

£336.59

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 2NO/2NC SCRW

3RT25161BB40
Siemens
1: £89.50
1Expected 18/03/2026

Mfr. Part No.
3RT25161BB40

Mouser Part No
982-3RT25161BB40

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 2NO/2NC SCRW

Datasheet

1Expected 18/03/2026

£89.50

£87.14

£76.12

£73.50

£70.97

Min.: 1
Mult.: 1

Industrial Surge Protectors NOISE SUPPRESOR DIODE S00 W LED DC 24-70

3RT29161LM00
Siemens
1: £24.37
14Expected 13/04/2026

Mfr. Part No.
3RT29161LM00

Mouser Part No
982-3RT29161LM00

Siemens

Industrial Surge Protectors NOISE SUPPRESOR DIODE S00 W LED DC 24-70

Datasheet

14Expected 13/04/2026

£24.37

£22.48

£21.48

£19.20

£18.32

Min.: 1
Mult.: 1

Industrial Surge Protectors ACC_SWITCH_3RT2926-1CC00_RC element

3RT29261CC00
Siemens
1: £27.58
7Expected 30/03/2026

Mfr. Part No.
3RT29261CC00

Mouser Part No
982-3RT29261CC00

Siemens

Industrial Surge Protectors ACC_SWITCH_3RT2926-1CC00_RC element

Datasheet

7Expected 30/03/2026

£27.58

£24.57

£22.65

£21.87

£20.89

Min.: 1
Mult.: 1

Contactor Accessories CONTROL KIT ORANGE FOR 3RT2 S0

3RT29264MC00
Siemens
1: £14.41
10Expected 04/03/2026

Mfr. Part No.
3RT29264MC00

Mouser Part No
982-3RT29264MC00

Siemens

Contactor Accessories CONTROL KIT ORANGE FOR 3RT2 S0

Datasheet

10Expected 04/03/2026

£14.41

£14.40

Min.: 1
Mult.: 1

Industrial Surge Protectors VARISTOR S2 127-240 VAC / 150-250 VDC

3RT29361BD00
Siemens
1: £17.41
9Expected 26/03/2026

Mfr. Part No.
3RT29361BD00

Mouser Part No
982-3RT29361BD00

Siemens

Industrial Surge Protectors VARISTOR S2 127-240 VAC / 150-250 VDC

Datasheet

9Expected 26/03/2026

£17.41

£17.07

£16.41

£15.70

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 110VAC 2NO/2NC SCRW

3RT20251AG24
Siemens
1: £148.84
23Factory Stock Available

Mfr. Part No.
3RT20251AG24

Mouser Part No
982-3RT20251AG24

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 110VAC 2NO/2NC SCRW

Datasheet

23Factory Stock Available

More Info Available

£148.84

£148.83

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S3 65A 120VAC 3P SCREW

3RT10441AK60
Siemens
1: £708.06
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
3RT10441AK60

Mouser Part No
982-3RT10441AK60

Siemens

Contactors - Electromechanical CONTACTOR S3 65A 120VAC 3P SCREW

Datasheet

Non-Stocked Lead-Time 4 Weeks

£708.06

Min.: 1
Mult.: 1

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

3RT10541AB36
Siemens
1: £677.63
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
3RT10541AB36

Mouser Part No
982-3RT10541AB36

Siemens

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

Datasheet

Non-Stocked Lead-Time 2 Weeks

£677.63

£603.29

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 200-220VUC 3P BX TERM

3RT10541AM36
Siemens
1: £725.12
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
3RT10541AM36

Mouser Part No
982-3RT10541AM36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 200-220VUC 3P BX TERM

Datasheet

Non-Stocked Lead-Time 4 Weeks

£725.12

£724.97

Min.: 1
Mult.: 1

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

3RT10541AR36
Siemens
1: £725.09
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
3RT10541AR36

Mouser Part No
982-3RT10541AR36

Siemens

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

Datasheet

Non-Stocked Lead-Time 4 Weeks

£725.09

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR, 55KW/400V/AC-3 BX TERM

3RT10541AT36
Siemens
1: £725.12
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
3RT10541AT36

Mouser Part No
982-3RT10541AT36

Siemens

Contactors - Electromechanical CONTACTOR, 55KW/400V/AC-3 BX TERM

Datasheet

Non-Stocked Lead-Time 4 Weeks

£725.12

£724.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR 55KW/400V/AC-3

3RT10541AU36
Siemens
1: £725.02
Non-Stocked Lead-Time 4 Weeks

Mfr. Part No.
3RT10541AU36

Mouser Part No
982-3RT10541AU36

Siemens

Contactors - Electromechanical CONTACTOR 55KW/400V/AC-3

Datasheet

Non-Stocked Lead-Time 4 Weeks

£725.02

£713.39

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR, 55KW/400V/AC-3 BX TERM

3RT10541AV36
Siemens
1: £725.12
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
3RT10541AV36

Mouser Part No
982-3RT10541AV36

Siemens

Contactors - Electromechanical CONTACTOR, 55KW/400V/AC-3 BX TERM

Datasheet

Non-Stocked Lead-Time 5 Weeks

£725.12

£724.97

Min.: 1
Mult.: 1

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

3RT10541NB36
Siemens
1: £822.07
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
3RT10541NB36

Mouser Part No
982-3RT10541NB36

Siemens

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

Datasheet

Non-Stocked Lead-Time 5 Weeks

£822.07

Min.: 1
Mult.: 1