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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.

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Part #

Industrial Surge Protectors SURGE SUPPRESR S00 W LED AC 24-48

3RT29161JJ00
Siemens
1: $49.66
4In Stock

Mfr. Part #
3RT29161JJ00

Mouser Part #
982-3RT29161JJ00

Siemens

Industrial Surge Protectors SURGE SUPPRESR S00 W LED AC 24-48

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Datasheet

4In Stock

$49.66

$44.22

$40.78

$39.37

$37.59

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESR S00 W LED AC 48-127

3RT29161JK00
Siemens
1: $49.63
9In Stock

Mfr. Part #
3RT29161JK00

Mouser Part #
982-3RT29161JK00

Siemens

Industrial Surge Protectors SURGE SUPPRESR S00 W LED AC 48-127

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Datasheet

9In Stock

$49.63

$44.22

$40.78

$39.37

$37.59

Min.: 1
Mult.: 1

Industrial Surge Protectors EMC SUPPRES S00 RC ELEMENT 575V 50/60HZ

3RT29161PA2
Siemens
1: $121.33
9In Stock

Mfr. Part #
3RT29161PA2

Mouser Part #
982-3RT29161PA2

Siemens

Industrial Surge Protectors EMC SUPPRES S00 RC ELEMENT 575V 50/60HZ

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Datasheet

9In Stock

$121.33

Min.: 1
Mult.: 1

Contactor Accessories SEALABLE COVER FOR 3RT2 & 3RH2 S00 & S0

3RT29164MA10
Siemens
1: $13.70
3In Stock

Mfr. Part #
3RT29164MA10

Mouser Part #
982-3RT29164MA10

Siemens

Contactor Accessories SEALABLE COVER FOR 3RT2 & 3RH2 S00 & S0

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Datasheet

3In Stock

$13.70

$13.19

$11.76

$11.18

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESR S0 VARISTOR AC 24-48V

3RT29261BB00
Siemens
1: $45.54
11In Stock

Mfr. Part #
3RT29261BB00

Mouser Part #
982-3RT29261BB00

Siemens

Industrial Surge Protectors SURGE SUPPRESR S0 VARISTOR AC 24-48V

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Datasheet

11In Stock

$45.54

$40.55

$37.39

$36.10

$34.47

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR, 50/60Hz, FOR CONTACTOR

3RT29261BC00
Siemens
1: $45.52
4In Stock

Mfr. Part #
3RT29261BC00

Mouser Part #
982-3RT29261BC00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR, 50/60Hz, FOR CONTACTOR

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Datasheet

4In Stock

$45.52

$40.53

$37.39

$36.10

$34.47

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR VARISTOR, 150-250VDC

3RT29261BD00
Siemens
1: $45.54
8In Stock

Mfr. Part #
3RT29261BD00

Mouser Part #
982-3RT29261BD00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR VARISTOR, 150-250VDC

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Datasheet

8In Stock

$45.54

$40.55

$37.39

$36.10

$34.47

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESR S0 RC ELEMENT AC 24-48

3RT29261CB00
Siemens
1: $56.34
30In Stock

Mfr. Part #
3RT29261CB00

Mouser Part #
982-3RT29261CB00

Siemens

Industrial Surge Protectors SURGE SUPPRESR S0 RC ELEMENT AC 24-48

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Datasheet

30In Stock

$56.34

$50.53

$46.73

$44.59

$43.12

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPR S0 RC AC 127-240, DC 150-250

3RT29261CD00
Siemens
1: $56.51
9In Stock

Mfr. Part #
3RT29261CD00

Mouser Part #
982-3RT29261CD00

Siemens

Industrial Surge Protectors SURGE SUPPR S0 RC AC 127-240, DC 150-250

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Datasheet

9In Stock

$56.51

$50.72

$46.76

$45.15

$43.12

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR DIODE S0 DC 30-250

3RT29261ES00
Siemens
1: $55.13
2In Stock

Mfr. Part #
3RT29261ES00

Mouser Part #
982-3RT29261ES00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR DIODE S0 DC 30-250

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Datasheet

2In Stock

$55.13

$49.10

$45.28

$43.71

$41.74

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESR VARISTR LED S0 48-127VAC

3RT29261JK00
Siemens
1: $61.85
1In Stock

Mfr. Part #
3RT29261JK00

Mouser Part #
982-3RT29261JK00

Siemens

Industrial Surge Protectors SURGE SUPPRESR VARISTR LED S0 48-127VAC

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Datasheet

1In Stock

$61.85

$61.57

$60.85

View

Min.: 1
Mult.: 1

Contactor Accessories MECHANICAL LATCH FOR 3RT2 S0 AC/DC 24V

3RT29263AB31
Siemens
1: $278.50
1In Stock

Mfr. Part #
3RT29263AB31

Mouser Part #
982-3RT29263AB31

Siemens

Contactor Accessories MECHANICAL LATCH FOR 3RT2 S0 AC/DC 24V

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Datasheet

1In Stock

$278.50

$247.60

$236.41

$228.27

Min.: 1
Mult.: 1

Industrial Surge Protectors VARISTOR S2 24-48 VAC / 24-70 VDC

3RT29361BB00
Siemens
1: $31.23
28In Stock

Mfr. Part #
3RT29361BB00

Mouser Part #
982-3RT29361BB00

Siemens

Industrial Surge Protectors VARISTOR S2 24-48 VAC / 24-70 VDC

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Datasheet

28In Stock

$31.23

$27.88

$25.71

$24.83

View

Min.: 1
Mult.: 1

Industrial Surge Protectors VARISTOR S2 48-127 VAC / 70-150 VDC

3RT29361BC00
Siemens
1: $34.27
5In Stock

Mfr. Part #
3RT29361BC00

Mouser Part #
982-3RT29361BC00

Siemens

Industrial Surge Protectors VARISTOR S2 48-127 VAC / 70-150 VDC

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Datasheet

5In Stock

$34.27

$34.05

$33.48

$33.12

Quote

Min.: 1
Mult.: 1

Industrial Surge Protectors RC ELEMENT 24-48 VAC / 24-70 VDC

3RT29361CB00
Siemens
1: $39.51
5In Stock

Mfr. Part #
3RT29361CB00

Mouser Part #
982-3RT29361CB00

Siemens

Industrial Surge Protectors RC ELEMENT 24-48 VAC / 24-70 VDC

Learn More

Datasheet

5In Stock

$39.51

$35.22

$32.47

$31.36

View

Min.: 1
Mult.: 1

Industrial Surge Protectors RC ELEMENT 48-127 VAC / 70-150 VDC

3RT29361CC00
Siemens
1: $49.96
6In Stock

Mfr. Part #
3RT29361CC00

Mouser Part #
982-3RT29361CC00

Siemens

Industrial Surge Protectors RC ELEMENT 48-127 VAC / 70-150 VDC

Learn More

Datasheet

6In Stock

$49.96

$44.66

$41.17

$39.76

$37.96

Min.: 1
Mult.: 1

Industrial Surge Protectors RC ELEMENT 127-240 VAC / 150-250 VDC

3RT29361CD00
Siemens
1: $45.03
1In Stock

Mfr. Part #
3RT29361CD00

Mouser Part #
982-3RT29361CD00

Siemens

Industrial Surge Protectors RC ELEMENT 127-240 VAC / 150-250 VDC

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Datasheet

1In Stock

$45.03

$45.01

View

Min.: 1
Mult.: 1

Contactor Accessories TERMINAL COVER FOR 3-POLE 3RT2 S2

3RT29364EA2
Siemens
1: $15.81
11In Stock

Mfr. Part #
3RT29364EA2

Mouser Part #
982-3RT29364EA2

Siemens

Contactor Accessories TERMINAL COVER FOR 3-POLE 3RT2 S2

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Datasheet

11In Stock

$15.81

$14.82

$14.38

$14.09

View

Min.: 1
Mult.: 1

Contactor Accessories CONTROL KIT FOR 3RT2 S2 CONTACTORS

3RT29364MC00
Siemens
1: $25.78
3In Stock

Mfr. Part #
3RT29364MC00

Mouser Part #
982-3RT29364MC00

Siemens

Contactor Accessories CONTROL KIT FOR 3RT2 S2 CONTACTORS

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Datasheet

3In Stock

$25.78

$22.29

$21.84

$21.02

View

Min.: 1
Mult.: 1

Contactor Accessories COVER F. 3RT204

3RT29464EA2
Siemens
1: $52.20
6In Stock

Mfr. Part #
3RT29464EA2

Mouser Part #
982-3RT29464EA2

Siemens

Contactor Accessories COVER F. 3RT204

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Datasheet

6In Stock

$52.20

$51.86

$46.97

Min.: 1
Mult.: 1

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

3RT20151BB42
Siemens
1: $167.03
17Expected 2026-03-05

Mfr. Part #
3RT20151BB42

Mouser Part #
982-3RT20151BB42

Siemens

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

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Datasheet

17Expected 2026-03-05

$167.03

$161.59

$142.06

$137.16

$132.45

Min.: 1
Mult.: 1

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

3RT20161BB42
Siemens
1: $176.93
21Expected 2026-02-13

Mfr. Part #
3RT20161BB42

Mouser Part #
982-3RT20161BB42

Siemens

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

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Datasheet

21Expected 2026-02-13

$176.93

$157.57

$150.44

$145.30

$140.31

Min.: 1
Mult.: 1

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

3RT20361AK60
Siemens
1: $445.80
6Expected 2026-04-24

Mfr. Part #
3RT20361AK60

Mouser Part #
982-3RT20361AK60

Siemens

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

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Datasheet

6Expected 2026-04-24

$445.80

$396.91

$378.94

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1035

3RT19356A
Siemens
1: $690.45
3Expected 2026-03-02

Mfr. Part #
3RT19356A

Mouser Part #
982-3RT19356A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1035

Learn More

Datasheet

3Expected 2026-03-02

$690.45

$597.23

$581.78

Min.: 1
Mult.: 1

Contactor Accessories COIL 3RT105/3RT145, 440-480VUC

3RT19555AR31
Siemens
1: $487.24
1Expected 2026-03-09

Mfr. Part #
3RT19555AR31

Mouser Part #
982-3RT19555AR31

Siemens

Contactor Accessories COIL 3RT105/3RT145, 440-480VUC

Learn More

Datasheet

1Expected 2026-03-09

$487.24

$417.48

$406.60

Min.: 1
Mult.: 1

SIRIUS 2 Contactors

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SIRIUS 2 Contactors

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