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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 ACC_SWITCH_3RT2926-1CC00_RC element

3RT29261CC00
Siemens
1: $54.78
4In Stock

Mfr. Part No.
3RT29261CC00

Mouser Part No
982-3RT29261CC00

Siemens

Industrial Surge Protectors ACC_SWITCH_3RT2926-1CC00_RC element

Datasheet

4In Stock

$54.78

$50.69

$46.73

$45.12

$43.08

Min.: 1
Mult.: 1

Industrial Surge Protectors ACC_CONTACTORS_surge double diode_24VDC

3RT29261ER00
Siemens
1: $59.45
12In Stock
40Expected 28/8/2026

Mfr. Part No.
3RT29261ER00

Mouser Part No
982-3RT29261ER00

Siemens

Industrial Surge Protectors ACC_CONTACTORS_surge double diode_24VDC

Datasheet

12In Stock

40Expected 28/8/2026

$59.45

$52.93

$48.81

$47.12

$44.99

Min.: 1
Mult.: 1

Industrial Surge Protectors SURGE SUPPRESSOR DIODE S0 DC 30-250

3RT29261ES00
Siemens
1: $58.04
2In Stock

Mfr. Part No.
3RT29261ES00

Mouser Part No
982-3RT29261ES00

Siemens

Industrial Surge Protectors SURGE SUPPRESSOR DIODE S0 DC 30-250

Datasheet

2In Stock

$58.04

$52.93

$48.81

$47.12

$44.99

Min.: 1
Mult.: 1

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

3RT29261JK00
Siemens
1: $57.09
1In Stock

Mfr. Part No.
3RT29261JK00

Mouser Part No
982-3RT29261JK00

Siemens

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

Datasheet

1In Stock

$57.09

$55.66

$53.56

$52.58

View

Min.: 1
Mult.: 1

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

3RT29263AB31
Siemens
1: $271.89
1In Stock

Mfr. Part No.
3RT29263AB31

Mouser Part No
982-3RT29263AB31

Siemens

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

Datasheet

1In Stock

$271.89

$246.51

$235.36

$227.26

Min.: 1
Mult.: 1

Time Delay & Timing Relays COIL FOR 3RT202 CONTACTORS 230VAC 50HZ

3RT29272PA01
Siemens
1: $723.10
2In Stock

Mfr. Part No.
3RT29272PA01

Mouser Part No
982-3RT29272PA01

Siemens

Time Delay & Timing Relays COIL FOR 3RT202 CONTACTORS 230VAC 50HZ

Datasheet

2In Stock

$723.10

$608.65

Min.: 1
Mult.: 1

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

3RT29361BB00
Siemens
1: $30.23
26In Stock

Mfr. Part No.
3RT29361BB00

Mouser Part No
982-3RT29361BB00

Siemens

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

Datasheet

26In Stock

$30.23

$27.13

$25.50

$24.70

View

Min.: 1
Mult.: 1

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

3RT29361BC00
Siemens
1: $32.71
2In Stock

Mfr. Part No.
3RT29361BC00

Mouser Part No
982-3RT29361BC00

Siemens

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

Datasheet

2In Stock

$32.71

$32.06

$30.89

$29.54

View

Min.: 1
Mult.: 1

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

3RT29361BD00
Siemens
1: $33.67
2In Stock
17Expected 23/10/2026

Mfr. Part No.
3RT29361BD00

Mouser Part No
982-3RT29361BD00

Siemens

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

Datasheet

2In Stock

17Expected 23/10/2026

$33.67

$31.85

$30.46

$29.73

$29.42

Min.: 1
Mult.: 1

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

3RT29361CB00
Siemens
1: $38.41
5In Stock

Mfr. Part No.
3RT29361CB00

Mouser Part No
982-3RT29361CB00

Siemens

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

Datasheet

5In Stock

$38.41

$34.71

$32.42

$31.31

$29.89

Min.: 1
Mult.: 1

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

3RT29361CC00
Siemens
1: $48.43
6In Stock

Mfr. Part No.
3RT29361CC00

Mouser Part No
982-3RT29361CC00

Siemens

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

Datasheet

6In Stock

$48.43

$44.66

$41.18

$39.77

$37.96

Min.: 1
Mult.: 1

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

3RT29361CD00
Siemens
1: $42.06
5In Stock

Mfr. Part No.
3RT29361CD00

Mouser Part No
982-3RT29361CD00

Siemens

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

Datasheet

5In Stock

$42.06

$40.94

$39.09

$38.35

View

Min.: 1
Mult.: 1

Contactor Accessories TERMINAL COVER FOR 3-POLE 3RT2 S2

3RT29364EA2
Siemens
1: $14.96
5In Stock

Mfr. Part No.
3RT29364EA2

Mouser Part No
982-3RT29364EA2

Siemens

Contactor Accessories TERMINAL COVER FOR 3-POLE 3RT2 S2

Datasheet

5In Stock

$14.96

$13.68

$13.61

$13.00

View

Min.: 1
Mult.: 1

Contactor Accessories COVER F. 3RT204

3RT29464EA2
Siemens
1: $41.07
6In Stock

Mfr. Part No.
3RT29464EA2

Mouser Part No
982-3RT29464EA2

Siemens

Contactor Accessories COVER F. 3RT204

Datasheet

6In Stock

$41.07

$39.82

$39.15

Min.: 1
Mult.: 1

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

3RT20161BB42
Siemens
1: $173.40
25Expected 11/9/2026

Mfr. Part No.
3RT20161BB42

Mouser Part No
982-3RT20161BB42

Siemens

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

Datasheet

25Expected 11/9/2026

$173.40

$156.67

$149.59

$144.45

Min.: 1
Mult.: 1

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

3RT20261FB443MA0
Siemens
1: $580.77
7Expected 17/9/2026

Mfr. Part No.
3RT20261FB443MA0

Mouser Part No
982-3RT20261FB443MA0

Siemens

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

Datasheet

7Expected 17/9/2026

$580.77

$521.57

$497.96

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 24VDC SCREW 1NO/1NC

3RT20371KB40
Siemens
1: $786.53
8Expected 1/9/2026

Mfr. Part No.
3RT20371KB40

Mouser Part No
982-3RT20371KB40

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 24VDC SCREW 1NO/1NC

Datasheet

8Expected 1/9/2026

$786.53

$725.02

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1035

3RT19356A
Siemens
1: $613.28
3Expected 28/9/2026

Mfr. Part No.
3RT19356A

Mouser Part No
982-3RT19356A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1035

Datasheet

3Expected 28/9/2026

$613.28

$591.40

$583.36

Min.: 1
Mult.: 1

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

3RT20171AB01
Siemens
1: $184.51
10Expected 11/9/2026

Mfr. Part No.
3RT20171AB01

Mouser Part No
982-3RT20171AB01

Siemens

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

Datasheet

10Expected 11/9/2026

$184.51

$165.92

$158.43

$152.97

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 230VAC SCREW 1NO/1NC

3RT20361AL20
Siemens
1: $495.27
4Expected 28/9/2026

Mfr. Part No.
3RT20361AL20

Mouser Part No
982-3RT20361AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 230VAC SCREW 1NO/1NC

Datasheet

4Expected 28/9/2026

$495.27

$440.94

$420.99

Min.: 1
Mult.: 1

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

3RT29261CD00
Siemens
1: $54.78
8Expected 31/8/2026

Mfr. Part No.
3RT29261CD00

Mouser Part No
982-3RT29261CD00

Siemens

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

Datasheet

8Expected 31/8/2026

$54.78

$50.48

$46.73

$45.12

$43.08

Min.: 1
Mult.: 1

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

3RT10441AK60
Siemens
1: $1,367.13
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

$1,367.13

$1,367.11

Min.: 1
Mult.: 1

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

3RT10541AB36
Siemens
1: $1,347.27
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

$1,347.27

$1,238.23

Min.: 1
Mult.: 1

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

3RT10541AM36
Siemens
1: $1,377.22
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

$1,377.22

$1,340.97

Min.: 1
Mult.: 1

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

3RT10541AT36
Siemens
1: $1,377.22
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

$1,377.22

$1,340.97

Min.: 1
Mult.: 1