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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 #

Contactors - Electromechanical CONTACTOR_AC_3RT2517-1AK60_5.5kW_110V

3RT25171AK60
Siemens
1: $193.12
3In Stock

Mfr. Part No.
3RT25171AK60

Mouser Part No
982-3RT25171AK60

Siemens

Contactors - Electromechanical CONTACTOR_AC_3RT2517-1AK60_5.5kW_110V

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Datasheet

3In Stock

$193.12

$173.89

$166.03

$160.32

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 240VAC 2NO/2NC SCRW

3RT25171AP60
Siemens
1: $193.57
2In Stock

Mfr. Part No.
3RT25171AP60

Mouser Part No
982-3RT25171AP60

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 240VAC 2NO/2NC SCRW

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Datasheet

2In Stock

$193.57

$173.89

$166.03

$160.32

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 2NO/2NC SCRW

3RT25171BB40
Siemens
1: $217.25
5In Stock

Mfr. Part No.
3RT25171BB40

Mouser Part No
982-3RT25171BB40

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 24VDC 2NO/2NC SCRW

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Datasheet

5In Stock

$217.25

$197.39

$188.47

$181.98

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 120VAC 2NO/2NC SCRW

3RT25181AK60
Siemens
1: $240.91
5In Stock

Mfr. Part No.
3RT25181AK60

Mouser Part No
982-3RT25181AK60

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 120VAC 2NO/2NC SCRW

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Datasheet

5In Stock

$240.91

$218.55

$208.66

$201.48

Min.: 1
Mult.: 1

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

3RT25181BB40
Siemens
1: $361.58
3In Stock

Mfr. Part No.
3RT25181BB40

Mouser Part No
982-3RT25181BB40

Siemens

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

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Datasheet

3In Stock

$361.58

$331.69

$316.69

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 120VAC 2NO/2NC SCRW

3RT25261AK60
Siemens
1: $420.81
1In Stock

Mfr. Part No.
3RT25261AK60

Mouser Part No
982-3RT25261AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 120VAC 2NO/2NC SCRW

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Datasheet

1In Stock

$420.81

$385.85

$368.38

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR AC-3, 25A, 11kW, 24V, SIZE S0

3RT25261BB40
Siemens
1: $598.59
3In Stock

Mfr. Part No.
3RT25261BB40

Mouser Part No
982-3RT25261BB40

Siemens

Contactors - Electromechanical CONTACTOR AC-3, 25A, 11kW, 24V, SIZE S0

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Datasheet

3In Stock

$598.59

$544.87

$520.21

Min.: 1
Mult.: 1

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

3RT25262BB40
Siemens
1: $618.11
3In Stock

Mfr. Part No.
3RT25262BB40

Mouser Part No
982-3RT25262BB40

Siemens

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

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Datasheet

3In Stock

$618.11

$582.83

$575.31

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR S00 VARISTOR AC 24-48V

3RT29161BB00
Siemens
1: $35.94
12In Stock

Mfr. Part No.
3RT29161BB00

Mouser Part No
982-3RT29161BB00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR S00 VARISTOR AC 24-48V

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Datasheet

12In Stock

$35.94

$32.74

$30.64

$28.61

$27.46

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESR S00 VARISTOR AC 48-127V

3RT29161BC00
Siemens
1: $37.32
35In Stock

Mfr. Part No.
3RT29161BC00

Mouser Part No
982-3RT29161BC00

Siemens

Industrial Surge Protectors SURGE SUPPRESR S00 VARISTOR AC 48-127V

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Datasheet

35In Stock

$37.32

$32.74

$30.64

$29.59

$28.25

Min.: 1
Mult.: 1

Industrial Surge Protectors ACC_CONTACTORS_OVERVOLTAGE LIMITER

3RT29161BD00
Siemens
1: $36.08
13In Stock

Mfr. Part No.
3RT29161BD00

Mouser Part No
982-3RT29161BD00

Siemens

Industrial Surge Protectors ACC_CONTACTORS_OVERVOLTAGE LIMITER

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Datasheet

13In Stock

$36.08

$33.90

$30.64

$29.59

$28.25

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESR S00 RC ELEMENT AC 24-48

3RT29161CB00
Siemens
1: $34.20
13In Stock

Mfr. Part No.
3RT29161CB00

Mouser Part No
982-3RT29161CB00

Siemens

Industrial Surge Protectors SURGE SUPPRESR S00 RC ELEMENT AC 24-48

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Datasheet

13In Stock

$34.20

$31.66

$29.91

$28.51

$28.25

Min.: 1
Mult.: 1

Industrial Surge Protectors ACC_SWITCH_RC ELEMENT, SURGE SUPPRESSOR

3RT29161CC00
Siemens
1: $35.74
10In Stock

Mfr. Part No.
3RT29161CC00

Mouser Part No
982-3RT29161CC00

Siemens

Industrial Surge Protectors ACC_SWITCH_RC ELEMENT, SURGE SUPPRESSOR

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Datasheet

10In Stock

$35.74

$33.09

$30.48

$29.59

$28.25

Min.: 1
Mult.: 1

Industrial Surge Protectors ACC_CIRUT-BRK_3RT_OVP_150..250VDC_S00

3RT29161CD00
Siemens
1: $36.08
9In Stock

Mfr. Part No.
3RT29161CD00

Mouser Part No
982-3RT29161CD00

Siemens

Industrial Surge Protectors ACC_CIRUT-BRK_3RT_OVP_150..250VDC_S00

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Datasheet

9In Stock

$36.08

$32.74

$30.64

$29.59

$28.25

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR, SUP DIODE 12-250VDC

3RT29161DG00
Siemens
1: $37.32
7In Stock
45Expected 23/10/2026

Mfr. Part No.
3RT29161DG00

Mouser Part No
982-3RT29161DG00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR, SUP DIODE 12-250VDC

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Datasheet

7In Stock

45Expected 23/10/2026

$37.32

$33.24

$30.64

$28.61

$28.25

Min.: 1
Mult.: 1

Industrial Surge Protectors ACC_CONTACTORS DIODE SUPPRESSOR

3RT29161EH00
Siemens
1: $39.10
22In Stock

Mfr. Part No.
3RT29161EH00

Mouser Part No
982-3RT29161EH00

Siemens

Industrial Surge Protectors ACC_CONTACTORS DIODE SUPPRESSOR

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Datasheet

22In Stock

$39.10

$35.47

$33.12

$31.97

$30.53

Min.: 1
Mult.: 1

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

3RT29161JJ00
Siemens
1: $47.34
4In Stock

Mfr. Part No.
3RT29161JJ00

Mouser Part No
982-3RT29161JJ00

Siemens

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

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Datasheet

4In Stock

$47.34

$44.30

$40.84

$39.44

$37.64

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESOR S00 LED AC 48-127V

3RT29161JK00
Siemens
1: $47.34
5In Stock

Mfr. Part No.
3RT29161JK00

Mouser Part No
982-3RT29161JK00

Siemens

Industrial Surge Protectors SURGE SUPPRESOR S00 LED AC 48-127V

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Datasheet

5In Stock

$47.34

$44.30

$40.84

$39.44

$37.64

Min.: 1
Mult.: 1

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

3RT29161LM00
Siemens
1: $47.34
9In Stock
20Expected 2/10/2026

Mfr. Part No.
3RT29161LM00

Mouser Part No
982-3RT29161LM00

Siemens

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

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Datasheet

9In Stock

20Expected 2/10/2026

$47.34

$42.58

$40.84

$39.44

$37.64

Min.: 1
Mult.: 1

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

3RT29161PA2
Siemens
1: $164.11
9In Stock

Mfr. Part No.
3RT29161PA2

Mouser Part No
982-3RT29161PA2

Siemens

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

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Datasheet

9In Stock

$164.11

$142.56

$134.87

$134.80

Min.: 1
Mult.: 1

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

3RT29164MA10
Siemens
1: $11.34
1In Stock

Mfr. Part No.
3RT29164MA10

Mouser Part No
982-3RT29164MA10

Siemens

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

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Datasheet

1In Stock

$11.34

$9.44

$9.22

$8.74

Min.: 1
Mult.: 1

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

3RT29261BB00
Siemens
1: $44.65
12In Stock

Mfr. Part No.
3RT29261BB00

Mouser Part No
982-3RT29261BB00

Siemens

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

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Datasheet

12In Stock

$44.65

$40.49

$37.33

$34.84

$34.42

Min.: 1
Mult.: 1

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

3RT29261BC00
Siemens
1: $44.87
20In Stock

Mfr. Part No.
3RT29261BC00

Mouser Part No
982-3RT29261BC00

Siemens

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

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Datasheet

20In Stock

$44.87

$40.30

$37.33

$36.05

$34.42

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR VARISTOR, 150-250VDC

3RT29261BD00
Siemens
1: $44.40
5In Stock

Mfr. Part No.
3RT29261BD00

Mouser Part No
982-3RT29261BD00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR VARISTOR, 150-250VDC

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Datasheet

5In Stock

$44.40

$40.49

$37.33

$36.05

$34.42

Min.: 1
Mult.: 1

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

3RT29261CB00
Siemens
1: $54.44
25In Stock

Mfr. Part No.
3RT29261CB00

Mouser Part No
982-3RT29261CB00

Siemens

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

Learn More

Datasheet

25In Stock

$54.44

$48.96

$46.10

$43.18

$43.08

Min.: 1
Mult.: 1

SIRIUS 2 Contactors

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