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 S00 7A 24VDC 1NC SCRW

3RT20151BB42
Siemens
1: $163.62
55In Stock
1Expected 25/8/2026

Mfr. Part No.
3RT20151BB42

Mouser Part No
982-3RT20151BB42

Siemens

Contactors - Electromechanical CONTACTOR S00 7A 24VDC 1NC SCRW

Datasheet

55In Stock

1Expected 25/8/2026

$163.62

$151.97

$143.03

$136.54

$131.85

Min.: 1
Mult.: 1

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

3RT20161AK61
Siemens
1: $150.12
19In Stock

Mfr. Part No.
3RT20161AK61

Mouser Part No
982-3RT20161AK61

Siemens

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

Datasheet

19In Stock

$150.12

$136.24

$130.10

$125.62

$121.30

Min.: 1
Mult.: 1

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

3RT20161BB41
Siemens
1: $175.96
53In Stock

Mfr. Part No.
3RT20161BB41

Mouser Part No
982-3RT20161BB41

Siemens

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

Datasheet

53In Stock

$175.96

$156.67

$149.59

$144.45

Min.: 1
Mult.: 1

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

3RT20162BB42
Siemens
1: $173.40
15In Stock

Mfr. Part No.
3RT20162BB42

Mouser Part No
982-3RT20162BB42

Siemens

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

Datasheet

15In Stock

$173.40

$161.35

$149.59

$144.45

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 1NO SPRG

3RT20162FB41
Siemens
1: $197.84
15In Stock

Mfr. Part No.
3RT20162FB41

Mouser Part No
982-3RT20162FB41

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 24VDC 1NO SPRG

Datasheet

15In Stock

$197.84

$185.16

$173.32

$167.36

Min.: 1
Mult.: 1

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

3RT20171AP01
Siemens
1: $183.98
15In Stock

Mfr. Part No.
3RT20171AP01

Mouser Part No
982-3RT20171AP01

Siemens

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

Datasheet

15In Stock

$183.98

$171.52

$158.43

$152.97

Min.: 1
Mult.: 1

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

3RT20171BB41
Siemens
1: $212.58
31In Stock

Mfr. Part No.
3RT20171BB41

Mouser Part No
982-3RT20171BB41

Siemens

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

Datasheet

31In Stock

$212.58

$189.28

$177.45

$174.50

Min.: 1
Mult.: 1

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

3RT20181BB42
Siemens
1: $360.82
10In Stock

Mfr. Part No.
3RT20181BB42

Mouser Part No
982-3RT20181BB42

Siemens

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

Datasheet

10In Stock

$360.82

$321.26

$306.73

Min.: 1
Mult.: 1

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

3RT20181BB443MA0
Siemens
1: $429.46
19In Stock

Mfr. Part No.
3RT20181BB443MA0

Mouser Part No
982-3RT20181BB443MA0

Siemens

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

Datasheet

19In Stock

$429.46

$401.39

$375.70

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SPRG

3RT20182BB41
Siemens
1: $351.78
9In Stock

Mfr. Part No.
3RT20182BB41

Mouser Part No
982-3RT20182BB41

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 24VDC 1NO SPRG

Datasheet

9In Stock

$351.78

$321.26

$306.73

Min.: 1
Mult.: 1

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

3RT20241AF00
Siemens
1: $177.87
30In Stock

Mfr. Part No.
3RT20241AF00

Mouser Part No
982-3RT20241AF00

Siemens

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

Datasheet

30In Stock

$177.87

$165.65

$156.40

$148.05

Min.: 1
Mult.: 1

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

3RT20241BB40
Siemens
1: $331.51
8In Stock

Mfr. Part No.
3RT20241BB40

Mouser Part No
982-3RT20241BB40

Siemens

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

Datasheet

8In Stock

$331.51

$295.68

$289.61

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR AC 7.5kW 24V SZ S0

3RT20251BB40
Siemens
1: $395.73
10In Stock

Mfr. Part No.
3RT20251BB40

Mouser Part No
982-3RT20251BB40

Siemens

Contactors - Electromechanical CONTACTOR AC 7.5kW 24V SZ S0

Datasheet

10In Stock

$395.73

$345.63

Min.: 1
Mult.: 1

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

3RT20252BB40
Siemens
1: $405.93
7In Stock

Mfr. Part No.
3RT20252BB40

Mouser Part No
982-3RT20252BB40

Siemens

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

Datasheet

7In Stock

$405.93

$362.00

$334.27

Min.: 1
Mult.: 1

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

3RT20261AK60
Siemens
1: $298.96
12In Stock

Mfr. Part No.
3RT20261AK60

Mouser Part No
982-3RT20261AK60

Siemens

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

Datasheet

12In Stock

$298.96

$266.19

$254.14

$251.36

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 230VAC 1NO/1NC SCRW

3RT20261AL20
Siemens
1: $298.96
14In Stock

Mfr. Part No.
3RT20261AL20

Mouser Part No
982-3RT20261AL20

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 230VAC 1NO/1NC SCRW

Datasheet

14In Stock

$298.96

$272.64

$260.32

$251.36

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 220VAC 1NO/1NC SCRW

3RT20261AP60
Siemens
1: $301.35
10In Stock

Mfr. Part No.
3RT20261AP60

Mouser Part No
982-3RT20261AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 220VAC 1NO/1NC SCRW

Datasheet

10In Stock

$301.35

$272.64

$260.32

$251.36

Min.: 1
Mult.: 1

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

3RT20261BB40
Siemens
1: $473.32
27In Stock

Mfr. Part No.
3RT20261BB40

Mouser Part No
982-3RT20261BB40

Siemens

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

Datasheet

27In Stock

$473.32

$422.81

$393.15

Min.: 1
Mult.: 1

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

3RT20261FB443MA0
Siemens
1: $580.77
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
3RT20261FB443MA0

Mouser Part No
982-3RT20261FB443MA0

Siemens

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

Datasheet

Non-Stocked Lead-Time 5 Weeks

$580.77

$521.57

$497.96

Min.: 1
Mult.: 1

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

3RT20262AK60
Siemens
1: $298.59
15In Stock

Mfr. Part No.
3RT20262AK60

Mouser Part No
982-3RT20262AK60

Siemens

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

Datasheet

15In Stock

$298.59

$273.93

$260.32

$251.36

Min.: 1
Mult.: 1

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

3RT20262BB40
Siemens
1: $462.51
8In Stock

Mfr. Part No.
3RT20262BB40

Mouser Part No
982-3RT20262BB40

Siemens

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

Datasheet

8In Stock

$462.51

$411.77

$393.15

Min.: 1
Mult.: 1

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

3RT20262FB40
Siemens
1: $519.93
5In Stock

Mfr. Part No.
3RT20262FB40

Mouser Part No
982-3RT20262FB40

Siemens

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

Datasheet

5In Stock

$519.93

$483.06

$461.20

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 32A 120VAC SCREW 1NO/1NC

3RT20271AK60
Siemens
1: $420.81
14In Stock

Mfr. Part No.
3RT20271AK60

Mouser Part No
982-3RT20271AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 32A 120VAC SCREW 1NO/1NC

Datasheet

14In Stock

$420.81

$374.65

$357.71

Min.: 1
Mult.: 1

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

3RT20271AL20
Siemens
1: $433.36
6In Stock

Mfr. Part No.
3RT20271AL20

Mouser Part No
982-3RT20271AL20

Siemens

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

Datasheet

6In Stock

$433.36

$385.85

$368.38

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 32A 24VDC 1NO/1NC SCRW

3RT20271BB40
Siemens
1: $619.51
5In Stock

Mfr. Part No.
3RT20271BB40

Mouser Part No
982-3RT20271BB40

Siemens

Contactors - Electromechanical CONTACTOR S0 32A 24VDC 1NO/1NC SCRW

Datasheet

5In Stock

$619.51

$551.56

$537.81

Min.: 1
Mult.: 1