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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 #

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

3RT19555AR31
Siemens
1: $333.65
1In Stock

Mfr. Part #
3RT19555AR31

Mouser Part #
982-3RT19555AR31

Siemens

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

Datasheet

1In Stock

$333.65

$303.75

$299.61

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 42VAC 1NC SCRW

3RT20181AD02
Siemens
1: $179.40
1In Stock

Mfr. Part #
3RT20181AD02

Mouser Part #
982-3RT20181AD02

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 42VAC 1NC SCRW

Datasheet

1In Stock

$179.40

$177.78

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 24VDC 2NO/2NC SPRG

3RT20242BB44
Siemens
1: $286.18
1In Stock

Mfr. Part #
3RT20242BB44

Mouser Part #
982-3RT20242BB44

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 24VDC 2NO/2NC SPRG

Datasheet

1In Stock

$286.18

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:18.5KW 1NO+1NC DC24V W.VAR

3RT20281DB40
Siemens
1: $564.35
3In Stock

Mfr. Part #
3RT20281DB40

Mouser Part #
982-3RT20281DB40

Siemens

Contactors - Electromechanical CONTACTOR.AC3:18.5KW 1NO+1NC DC24V W.VAR

Datasheet

3In Stock

$564.35

$553.27

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 24VDC 2NO/2NC SPRG

3RT20282FB443MA0
Siemens
1: $584.66
1In Stock

Mfr. Part #
3RT20282FB443MA0

Mouser Part #
982-3RT20282FB443MA0

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 24VDC 2NO/2NC SPRG

Datasheet

1In Stock

$584.66

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 175-280VUC SCRW 1NO/1NC

3RT20351NP30
Siemens
1: $436.43
1In Stock

Mfr. Part #
3RT20351NP30

Mouser Part #
982-3RT20351NP30

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 175-280VUC SCRW 1NO/1NC

Datasheet

1In Stock

$436.43

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 110VAC SCREW 2NO/2NC

3RT20361AG24
Siemens
1: $387.48
3In Stock

Mfr. Part #
3RT20361AG24

Mouser Part #
982-3RT20361AG24

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 110VAC SCREW 2NO/2NC

Datasheet

3In Stock

$387.48

$387.47

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S2 60A 4P 208VAC 1NO/1NC

3RT23361AM20
Siemens
1: $478.26
1In Stock

Mfr. Part #
3RT23361AM20

Mouser Part #
982-3RT23361AM20

Siemens

Contactors - Electromechanical CONTACTOR RES S2 60A 4P 208VAC 1NO/1NC

Datasheet

1In Stock

$478.26

$478.25

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 230VAC 2NO/2NC SPRG

3RT25162AP00
Siemens
1: $116.99
1In Stock

Mfr. Part #
3RT25162AP00

Mouser Part #
982-3RT25162AP00

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 230VAC 2NO/2NC SPRG

Datasheet

1In Stock

$116.99

$116.98

$114.07

$111.51

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CAP CONTACTOR 33KVAR 1NO+2NC 120VAC

3RT26281AK65
Siemens
1: $432.20
2In Stock

Mfr. Part #
3RT26281AK65

Mouser Part #
982-3RT26281AK65

Siemens

Contactors - Electromechanical CAP CONTACTOR 33KVAR 1NO+2NC 120VAC

Datasheet

2In Stock

$432.20

$423.71

Min.: 1
Mult.: 1

Contactor Accessories AC COIL FOR 3RT2 S2 110V 50/60HZ

3RT29345AG21
Siemens
1: $149.01
2In Stock

Mfr. Part #
3RT29345AG21

Mouser Part #
982-3RT29345AG21

Siemens

Contactor Accessories AC COIL FOR 3RT2 S2 110V 50/60HZ

Datasheet

2In Stock

$149.01

$128.82

$126.35

$122.77

View

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPLNG RELAY S00 7A 24VDC 1NC SPRG

3RT20152JB42
Siemens
1: $140.89
1In Stock

Mfr. Part #
3RT20152JB42

Mouser Part #
982-3RT20152JB42

Siemens

Contactors - Electromechanical COUPLNG RELAY S00 7A 24VDC 1NC SPRG

Datasheet

1In Stock

$140.89

$140.26

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 100VAC 1NO/1NC R LUG

3RT20254AG60
Siemens
1: $187.24
1In Stock

Mfr. Part #
3RT20254AG60

Mouser Part #
982-3RT20254AG60

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 100VAC 1NO/1NC R LUG

Datasheet

1In Stock

$187.24

$187.16

$184.46

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VDC VAR SPRNG 2NO/2NC

3RT20353XB440LA2
Siemens
1: $571.22
1In Stock

Mfr. Part #
3RT20353XB440LA2

Mouser Part #
982-3RT20353XB440LA2

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VDC VAR SPRNG 2NO/2NC

Datasheet

1In Stock

$571.22

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 35A 230VAC 4NO SCRW

3RT23251AN20
Siemens
1: $215.32
1In Stock

Mfr. Part #
3RT23251AN20

Mouser Part #
982-3RT23251AN20

Siemens

Contactors - Electromechanical CONTACTOR S0 35A 230VAC 4NO SCRW

Datasheet

1In Stock

$215.32

$215.31

$214.26

$212.44

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 125VDC 2NO/2NC SCRW

3RT25261BG40
Siemens
1: $461.21
1In Stock

Mfr. Part #
3RT25261BG40

Mouser Part #
982-3RT25261BG40

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 125VDC 2NO/2NC SCRW

Datasheet

1In Stock

$461.21

$461.20

Min.: 1
Mult.: 1

Contactors - Electromechanical CAP CONTACTOR 50KVAR 2NC 83-155VUC

3RT26361NF35
Siemens
1: $897.77
1In Stock

Mfr. Part #
3RT26361NF35

Mouser Part #
982-3RT26361NF35

Siemens

Contactors - Electromechanical CAP CONTACTOR 50KVAR 2NC 83-155VUC

Datasheet

1In Stock

$897.77

Min.: 1
Mult.: 1

Contactors - Electromechanical Contact. AC1: 275A 2NO+2NC F-PLC-IN

3RT14566SP36
Siemens
1: $1,615.22
1In Stock

Mfr. Part #
3RT14566SP36

Mouser Part #
982-3RT14566SP36

Siemens

Contactors - Electromechanical Contact. AC1: 275A 2NO+2NC F-PLC-IN

Datasheet

1In Stock

$1,615.22

Min.: 1
Mult.: 1

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

3RT20264BB40
Siemens
1: $366.74
6In Stock

Mfr. Part #
3RT20264BB40

Mouser Part #
982-3RT20264BB40

Siemens

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

Datasheet

6In Stock

$366.74

$362.23

Min.: 1
Mult.: 1

Contactors - Electromechanical Contactor. AC-3. 40 A/400 V/60

3RT20351SB30
Siemens
1: $470.93
4In Stock

Mfr. Part #
3RT20351SB30

Mouser Part #
982-3RT20351SB30

Siemens

Contactors - Electromechanical Contactor. AC-3. 40 A/400 V/60

Datasheet

4In Stock

$470.93

$470.92

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 230VAC VARISTOR 2NO/2NC

3RT20371CL243MA0
Siemens
1: $574.12
3In Stock

Mfr. Part #
3RT20371CL243MA0

Mouser Part #
982-3RT20371CL243MA0

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 230VAC VARISTOR 2NO/2NC

Datasheet

3In Stock

$574.12

$562.86

Min.: 1
Mult.: 1

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

3RT20371NB34
Siemens
1: $625.71
3In Stock

Mfr. Part #
3RT20371NB34

Mouser Part #
982-3RT20371NB34

Siemens

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

Datasheet

3In Stock

$625.71

$613.44

Min.: 1
Mult.: 1

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

3RT20461NF34
Siemens
1: $1,539.36
3In Stock

Mfr. Part #
3RT20461NF34

Mouser Part #
982-3RT20461NF34

Siemens

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

Datasheet

3In Stock

$1,539.36

Quote

Min.: 1
Mult.: 1

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

3RT10541AF36
Siemens
1: $987.59
2In Stock
3Expected 9/9/2026

Mfr. Part #
3RT10541AF36

Mouser Part #
982-3RT10541AF36

Siemens

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

Datasheet

2In Stock

3Expected 9/9/2026

$987.59

$910.46

Min.: 1
Mult.: 1

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

3RT10541AP36
Siemens
1: $990.64
5In Stock

Mfr. Part #
3RT10541AP36

Mouser Part #
982-3RT10541AP36

Siemens

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

Datasheet

5In Stock

$990.64

$910.46

Min.: 1
Mult.: 1