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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 S2 65A 20-33VUC SCREW 2NO/2NC

3RT20371NB34
Siemens
1: $850.97
3In Stock

Mfr. Part No.
3RT20371NB34

Mouser Part No
982-3RT20371NB34

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SCREW 2NO/2NC

Datasheet

3In Stock

$850.97

$834.28

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:45KW.2NO+2NC.84-155V AC/DC

3RT20461NF34
Siemens
1: $2,052.47
3In Stock

Mfr. Part No.
3RT20461NF34

Mouser Part No
982-3RT20461NF34

Siemens

Contactors - Electromechanical CONTACTOR.AC3:45KW.2NO+2NC.84-155V AC/DC

Datasheet

3In Stock

$2,052.47

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BX TERM

3RT10541AF36
Siemens
1: $1,343.12
2In Stock
3Expected 9/9/2026

Mfr. Part No.
3RT10541AF36

Mouser Part No
982-3RT10541AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BX TERM

Datasheet

2In Stock

3Expected 9/9/2026

$1,343.12

$1,238.23

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BX TERM

3RT10541AP36
Siemens
1: $1,347.27
5In Stock

Mfr. Part No.
3RT10541AP36

Mouser Part No
982-3RT10541AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BX TERM

Datasheet

5In Stock

$1,347.27

$1,238.23

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 440-480VUC 3P BX TERM

3RT10541AR36
Siemens
1: $1,332.17
3In Stock

Mfr. Part No.
3RT10541AR36

Mouser Part No
982-3RT10541AR36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 440-480VUC 3P BX TERM

Datasheet

3In Stock

$1,332.17

Min.: 1
Mult.: 1

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

3RT10546AB36
Siemens
1: $1,279.19
4In Stock

Mfr. Part No.
3RT10546AB36

Mouser Part No
982-3RT10546AB36

Siemens

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

Datasheet

4In Stock

$1,279.19

$1,168.81

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BAR

3RT10546AF36
Siemens
1: $1,276.32
11In Stock

Mfr. Part No.
3RT10546AF36

Mouser Part No
982-3RT10546AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 110-127VUC 3P BAR

Datasheet

11In Stock

$1,276.32

$1,168.81

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BAR

3RT10546AP36
Siemens
1: $1,279.19
3In Stock

Mfr. Part No.
3RT10546AP36

Mouser Part No
982-3RT10546AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 115A 220-240VUC 3P BAR

Datasheet

3In Stock

$1,279.19

$1,168.81

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 150A 110-127VUC 3P BAR

3RT10556AF36
Siemens
1: $1,766.50
5In Stock

Mfr. Part No.
3RT10556AF36

Mouser Part No
982-3RT10556AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 150A 110-127VUC 3P BAR

Datasheet

5In Stock

$1,766.50

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 150A 220-240VUC 3P BAR

3RT10556AP36
Siemens
1: $1,800.63
2In Stock

Mfr. Part No.
3RT10556AP36

Mouser Part No
982-3RT10556AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 150A 220-240VUC 3P BAR

Datasheet

2In Stock

$1,800.63

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 23-26VUC 3P BAR

3RT10566AB36
Siemens
1: $2,395.42
2In Stock

Mfr. Part No.
3RT10566AB36

Mouser Part No
982-3RT10566AB36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 23-26VUC 3P BAR

Datasheet

2In Stock

$2,395.42

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 3P BAR

3RT10566AF36
Siemens
1: $2,319.38
8In Stock

Mfr. Part No.
3RT10566AF36

Mouser Part No
982-3RT10566AF36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 3P BAR

Datasheet

8In Stock

$2,319.38

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 2NO/2NC FIX

3RT10566AF363PA0
Siemens
1: $2,484.26
3In Stock

Mfr. Part No.
3RT10566AF363PA0

Mouser Part No
982-3RT10566AF363PA0

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 110-127VUC 2NO/2NC FIX

Datasheet

3In Stock

$2,484.26

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 220-240VUC 3P BAR

3RT10566AP36
Siemens
1: $2,410.16
3In Stock

Mfr. Part No.
3RT10566AP36

Mouser Part No
982-3RT10566AP36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 220-240VUC 3P BAR

Datasheet

3In Stock

$2,410.16

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S6 185A 21-27VUC 3P BAR

3RT10566NB36
Siemens
1: $2,631.56
1In Stock

Mfr. Part No.
3RT10566NB36

Mouser Part No
982-3RT10566NB36

Siemens

Contactors - Electromechanical CONTACTOR S6 185A 21-27VUC 3P BAR

Datasheet

1In Stock

$2,631.56

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S10 225A 220-240VUC 3P BAR

3RT10646AP36
Siemens
1: $2,541.72
3In Stock

Mfr. Part No.
3RT10646AP36

Mouser Part No
982-3RT10646AP36

Siemens

Contactors - Electromechanical CONTACTOR S10 225A 220-240VUC 3P BAR

Datasheet

3In Stock

$2,541.72

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S10 265A 110-127VUC 3P BAR

3RT10656AF36
Siemens
1: $2,874.17
1In Stock

Mfr. Part No.
3RT10656AF36

Mouser Part No
982-3RT10656AF36

Siemens

Contactors - Electromechanical CONTACTOR S10 265A 110-127VUC 3P BAR

Datasheet

1In Stock

$2,874.17

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S10 265A 220-240VUC 3P BAR

3RT10656AP36
Siemens
1: $2,873.75
3In Stock

Mfr. Part No.
3RT10656AP36

Mouser Part No
982-3RT10656AP36

Siemens

Contactors - Electromechanical CONTACTOR S10 265A 220-240VUC 3P BAR

Datasheet

3In Stock

$2,873.75

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S12 400A 110-127VUC 3P BAR

3RT10756AF36
Siemens
1: $3,897.30
4In Stock

Mfr. Part No.
3RT10756AF36

Mouser Part No
982-3RT10756AF36

Siemens

Contactors - Electromechanical CONTACTOR S12 400A 110-127VUC 3P BAR

Datasheet

4In Stock

$3,897.30

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S12 500A 110-127VUC 3P BAR

3RT10766AF36
Siemens
1: $6,029.18
1In Stock

Mfr. Part No.
3RT10766AF36

Mouser Part No
982-3RT10766AF36

Siemens

Contactors - Electromechanical CONTACTOR S12 500A 110-127VUC 3P BAR

Datasheet

1In Stock

$6,029.18

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S6 275A 220-240VUC 3P BAR

3RT14566AP36
Siemens
1: $1,764.74
5In Stock

Mfr. Part No.
3RT14566AP36

Mouser Part No
982-3RT14566AP36

Siemens

Contactors - Electromechanical CONTACTOR RES S6 275A 220-240VUC 3P BAR

Datasheet

5In Stock

$1,764.74

Quote

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1044

3RT19446A
Siemens
1: $776.03
5In Stock

Mfr. Part No.
3RT19446A

Mouser Part No
982-3RT19446A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1044

Datasheet

5In Stock

$776.03

$690.80

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1054

3RT19546A
Siemens
1: $1,030.20
3In Stock

Mfr. Part No.
3RT19546A

Mouser Part No
982-3RT19546A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1054

Datasheet

3In Stock

$1,030.20

$900.13

Min.: 1
Mult.: 1

Contactor Accessories CONTACT KIT FOR 3RT1056

3RT19566A
Siemens
1: $1,597.81
3In Stock

Mfr. Part No.
3RT19566A

Mouser Part No
982-3RT19566A

Siemens

Contactor Accessories CONTACT KIT FOR 3RT1056

Datasheet

3In Stock

$1,597.81

$1,538.76

Min.: 1
Mult.: 1

Contactor Accessories CONTACTOR 3RT106/3RT107 TEMINAL LUG

3RT19664G
Siemens
1: $758.78
5In Stock

Mfr. Part No.
3RT19664G

Mouser Part No
982-3RT19664G

Siemens

Contactor Accessories CONTACTOR 3RT106/3RT107 TEMINAL LUG

Datasheet

5In Stock

$758.78

$649.88

Min.: 1
Mult.: 1