Skip to Main Content

Part of the TTI Family of Specialists Contact Mouser (Singapore) +65 6788-9233 Feedback

Change Location

English SGD

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 S0 12A 230VAC 2NO/2NC SCRW

3RT20241AP04
Siemens
1: $234.33
1In Stock

Mfr. Part No.
3RT20241AP04

Mouser Part No
982-3RT20241AP04

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 230VAC 2NO/2NC SCRW

Datasheet

1In Stock

$234.33

$233.32

$228.24

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 240VAC 1NO/1NC SCRW

3RT20241AP60
Siemens
1: $180.35
5In Stock

Mfr. Part No.
3RT20241AP60

Mouser Part No
982-3RT20241AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 240VAC 1NO/1NC SCRW

Datasheet

5In Stock

$180.35

$160.58

$153.33

$148.05

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 24VDC 2NO/2NC SCRW

3RT20241BB443MA0
Siemens
1: $399.43
5In Stock

Mfr. Part No.
3RT20241BB443MA0

Mouser Part No
982-3RT20241BB443MA0

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 24VDC 2NO/2NC SCRW

Datasheet

5In Stock

$399.43

Min.: 1
Mult.: 1

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

3RT20241BF40
Siemens
1: $336.42
3In Stock

Mfr. Part No.
3RT20241BF40

Mouser Part No
982-3RT20241BF40

Siemens

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

Datasheet

3In Stock

$336.42

$336.40

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 21-28VUC 1NO/1NC SCRW

3RT20241NB30
Siemens
1: $382.26
5In Stock

Mfr. Part No.
3RT20241NB30

Mouser Part No
982-3RT20241NB30

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 21-28VUC 1NO/1NC SCRW

Datasheet

5In Stock

$382.26

$350.05

$334.21

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR DC 5.5kW 24V 3POLE SZ S0

3RT20242BB40
Siemens
1: $333.98
5In Stock

Mfr. Part No.
3RT20242BB40

Mouser Part No
982-3RT20242BB40

Siemens

Contactors - Electromechanical CONTACTOR DC 5.5kW 24V 3POLE SZ S0

Datasheet

5In Stock

$333.98

$303.33

$289.61

Min.: 1
Mult.: 1

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

3RT20242FB40
Siemens
1: $407.28
3In Stock

Mfr. Part No.
3RT20242FB40

Mouser Part No
982-3RT20242FB40

Siemens

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

Datasheet

3In Stock

$407.28

$407.27

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 24VAC 1NO/1NC SCRW

3RT20251AB00
Siemens
1: $231.89
5In Stock

Mfr. Part No.
3RT20251AB00

Mouser Part No
982-3RT20251AB00

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 24VAC 1NO/1NC SCRW

Datasheet

5In Stock

$231.89

$210.54

$201.02

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 24VAC 1NO/1NC SCRW

3RT20251AC20
Siemens
1: $229.69
5In Stock

Mfr. Part No.
3RT20251AC20

Mouser Part No
982-3RT20251AC20

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 24VAC 1NO/1NC SCRW

Datasheet

5In Stock

$229.69

$209.33

$198.07

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 110VAC 1NO/1NC SCRW

3RT20251AF00
Siemens
1: $231.89
3In Stock

Mfr. Part No.
3RT20251AF00

Mouser Part No
982-3RT20251AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 110VAC 1NO/1NC SCRW

Datasheet

3In Stock

$231.89

$210.54

$201.02

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 110VAC 1NO/1NC SCRW

3RT20251AG20
Siemens
1: $229.69
5In Stock

Mfr. Part No.
3RT20251AG20

Mouser Part No
982-3RT20251AG20

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 110VAC 1NO/1NC SCRW

Datasheet

5In Stock

$229.69

$210.54

$201.02

$194.10

Min.: 1
Mult.: 1

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

3RT20251AK60
Siemens
1: $236.46
6In Stock

Mfr. Part No.
3RT20251AK60

Mouser Part No
982-3RT20251AK60

Siemens

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

Datasheet

6In Stock

$236.46

$209.33

$198.07

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR_AC_3RT2025-1AL20_7.5kW_230V

3RT20251AL20
Siemens
1: $229.69
5In Stock

Mfr. Part No.
3RT20251AL20

Mouser Part No
982-3RT20251AL20

Siemens

Contactors - Electromechanical CONTACTOR_AC_3RT2025-1AL20_7.5kW_230V

Datasheet

5In Stock

$229.69

$210.54

$201.02

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 220VAC 1NO/1NC SCRW

3RT20251AN20
Siemens
1: $233.28
3In Stock

Mfr. Part No.
3RT20251AN20

Mouser Part No
982-3RT20251AN20

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 220VAC 1NO/1NC SCRW

Datasheet

3In Stock

$233.28

$232.46

$227.41

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 230VAC 1NO/1NC SCRW

3RT20251AP00
Siemens
1: $236.06
4In Stock

Mfr. Part No.
3RT20251AP00

Mouser Part No
982-3RT20251AP00

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 230VAC 1NO/1NC SCRW

Datasheet

4In Stock

$236.06

$210.54

$201.02

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 230VAC 2NO/2NC SCRW

3RT20251AP04
Siemens
1: $287.35
2In Stock

Mfr. Part No.
3RT20251AP04

Mouser Part No
982-3RT20251AP04

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 230VAC 2NO/2NC SCRW

Datasheet

2In Stock

$287.35

$287.34

$286.14

$283.75

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 240VAC 1NO/1NC SCRW

3RT20251AP60
Siemens
1: $229.69
4In Stock

Mfr. Part No.
3RT20251AP60

Mouser Part No
982-3RT20251AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 240VAC 1NO/1NC SCRW

Datasheet

4In Stock

$229.69

$210.54

$201.02

$194.10

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 480VAC 1NO/1NC SCRW

3RT20251AV60
Siemens
1: $242.00
6In Stock

Mfr. Part No.
3RT20251AV60

Mouser Part No
982-3RT20251AV60

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 480VAC 1NO/1NC SCRW

Datasheet

6In Stock

$242.00

$221.46

$211.45

$204.18

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 24VDC 2NO/2NC SCRW

3RT20251BB44
Siemens
1: $440.78
3In Stock

Mfr. Part No.
3RT20251BB44

Mouser Part No
982-3RT20251BB44

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 24VDC 2NO/2NC SCRW

Datasheet

3In Stock

$440.78

$406.11

$387.74

Min.: 1
Mult.: 1

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

3RT20251FB40
Siemens
1: $462.51
4In Stock

Mfr. Part No.
3RT20251FB40

Mouser Part No
982-3RT20251FB40

Siemens

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

Datasheet

4In Stock

$462.51

$422.81

$403.69

Min.: 1
Mult.: 1

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

3RT20251KB40
Siemens
1: $441.66
3In Stock

Mfr. Part No.
3RT20251KB40

Mouser Part No
982-3RT20251KB40

Siemens

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

Datasheet

3In Stock

$441.66

$433.00

$432.98

Min.: 1
Mult.: 1

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

3RT20252KB40
Siemens
1: $423.11
2In Stock

Mfr. Part No.
3RT20252KB40

Mouser Part No
982-3RT20252KB40

Siemens

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

Datasheet

2In Stock

$423.11

$389.34

$371.73

Min.: 1
Mult.: 1

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

3RT20261AB00
Siemens
1: $302.30
1In Stock

Mfr. Part No.
3RT20261AB00

Mouser Part No
982-3RT20261AB00

Siemens

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

Datasheet

1In Stock

$302.30

$301.93

$299.38

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 110VAC 1NO/1NC SCRW

3RT20261AF00
Siemens
1: $306.20
6In Stock

Mfr. Part No.
3RT20261AF00

Mouser Part No
982-3RT20261AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 110VAC 1NO/1NC SCRW

Datasheet

6In Stock

$306.20

$272.64

$260.32

$251.36

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 110VAC 1NO/1NC SCRW

3RT20261AG20
Siemens
1: $298.96
5In Stock

Mfr. Part No.
3RT20261AG20

Mouser Part No
982-3RT20261AG20

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 110VAC 1NO/1NC SCRW

Datasheet

5In Stock

$298.96

$272.64

$260.32

$251.36

Min.: 1
Mult.: 1