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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 S0 25A 24VDC 1NO/1NC R LUG

3RT20264BB40
Siemens
1: $488.14
6In Stock

Mfr. Part No.
3RT20264BB40

Mouser Part No
982-3RT20264BB40

Siemens

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

Datasheet

6In Stock

$488.14

$471.89

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR. 275A/AC-1 W/O COIL

3RT14566LA06
Siemens
1: $1,440.18
1In Stock

Mfr. Part No.
3RT14566LA06

Mouser Part No
982-3RT14566LA06

Siemens

Contactors - Electromechanical CONTACTOR. 275A/AC-1 W/O COIL

Datasheet

1In Stock

$1,440.18

Min.: 1
Mult.: 1

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

3RT20181AD02
Siemens
1: $233.60
1In Stock

Mfr. Part No.
3RT20181AD02

Mouser Part No
982-3RT20181AD02

Siemens

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

Datasheet

1In Stock

$233.60

$233.48

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 230VAC 2NO/2NC SCRW

3RT20251AP04
Siemens
1: $281.07
2In Stock

Mfr. Part No.
3RT20251AP04

Mouser Part No
982-3RT20251AP04

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 230VAC 2NO/2NC SCRW

Datasheet

2In Stock

$281.07

$275.55

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 230VAC 2NO/2NC SCRW

3RT20261AP04
Siemens
1: $349.20
3In Stock

Mfr. Part No.
3RT20261AP04

Mouser Part No
982-3RT20261AP04

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 230VAC 2NO/2NC SCRW

Datasheet

3In Stock

$349.20

$339.56

$334.10

$330.50

View

Min.: 1
Mult.: 1

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

3RT20281DB40
Siemens
1: $736.09
3In Stock

Mfr. Part No.
3RT20281DB40

Mouser Part No
982-3RT20281DB40

Siemens

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

Datasheet

3In Stock

$736.09

$721.44

Min.: 1
Mult.: 1

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

3RT20282FB443MA0
Siemens
1: $762.16
1In Stock

Mfr. Part No.
3RT20282FB443MA0

Mouser Part No
982-3RT20282FB443MA0

Siemens

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

Datasheet

1In Stock

$762.16

Min.: 1
Mult.: 1

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

3RT20351NP30
Siemens
1: $569.05
1In Stock

Mfr. Part No.
3RT20351NP30

Mouser Part No
982-3RT20351NP30

Siemens

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

Datasheet

1In Stock

$569.05

$568.72

Min.: 1
Mult.: 1

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

3RT20361AG24
Siemens
1: $515.44
3In Stock

Mfr. Part No.
3RT20361AG24

Mouser Part No
982-3RT20361AG24

Siemens

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

Datasheet

3In Stock

$515.44

$505.18

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 48VAC SCREW 1NO/1NC

3RT20371AH20
Siemens
1: $657.72
1In Stock

Mfr. Part No.
3RT20371AH20

Mouser Part No
982-3RT20371AH20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 48VAC SCREW 1NO/1NC

Datasheet

1In Stock

$657.72

Min.: 1
Mult.: 1

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

3RT25162AP00
Siemens
1: $152.47
1In Stock

Mfr. Part No.
3RT25162AP00

Mouser Part No
982-3RT25162AP00

Siemens

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

Datasheet

1In Stock

$152.47

$152.39

Quote

Min.: 1
Mult.: 1

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

3RT26281AK65
Siemens
1: $563.42
2In Stock

Mfr. Part No.
3RT26281AK65

Mouser Part No
982-3RT26281AK65

Siemens

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

Datasheet

2In Stock

$563.42

$552.22

Min.: 1
Mult.: 1

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

3RT29345AG21
Siemens
1: $194.09
2In Stock

Mfr. Part No.
3RT29345AG21

Mouser Part No
982-3RT29345AG21

Siemens

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

Datasheet

2In Stock

$194.09

$170.08

$165.42

$160.78

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 7A 48VDC 1NO SCRW

3RT20151BW41
Siemens
1: $157.81
1In Stock

Mfr. Part No.
3RT20151BW41

Mouser Part No
982-3RT20151BW41

Siemens

Contactors - Electromechanical CONTACTOR S00 7A 48VDC 1NO SCRW

Datasheet

1In Stock

$157.81

$157.72

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPLNG RELAY S00 9A 24VDC 1NO SCRW

3RT20161VB41
Siemens
1: $196.92
2In Stock

Mfr. Part No.
3RT20161VB41

Mouser Part No
982-3RT20161VB41

Siemens

Contactors - Electromechanical COUPLNG RELAY S00 9A 24VDC 1NO SCRW

Datasheet

2In Stock

$196.92

$193.43

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NO DC24V M. VARISTO

3RT20171UB411AA0
Siemens
1: $240.76
1In Stock

Mfr. Part No.
3RT20171UB411AA0

Mouser Part No
982-3RT20171UB411AA0

Siemens

Contactors - Electromechanical CONTACTOR.AC3:5.5KW 1NO DC24V M. VARISTO

Datasheet

1In Stock

$240.76

$240.64

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR.AC3:7.5KW 1NC AC 600V. 60Hz

3RT20181AT62
Siemens
1: $238.25
3In Stock

Mfr. Part No.
3RT20181AT62

Mouser Part No
982-3RT20181AT62

Siemens

Contactors - Electromechanical CONTACTOR.AC3:7.5KW 1NC AC 600V. 60Hz

Datasheet

3In Stock

$238.25

$233.48

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 24VDC 2NO/1NC SCRW

3RT20251FB480ME1
Siemens
1: $462.30
1In Stock

Mfr. Part No.
3RT20251FB480ME1

Mouser Part No
982-3RT20251FB480ME1

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 24VDC 2NO/1NC SCRW

Datasheet

1In Stock

$462.30

$453.84

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 32A 21-28VUC 1NO/1NC SCRW

3RT20271NB30
Siemens
1: $707.58
3In Stock

Mfr. Part No.
3RT20271NB30

Mouser Part No
982-3RT20271NB30

Siemens

Contactors - Electromechanical CONTACTOR S0 32A 21-28VUC 1NO/1NC SCRW

Datasheet

3In Stock

$707.58

$693.69

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VDC SPRING 1NO/1NC

3RT20353KB40
Siemens
1: $580.24
1In Stock
3Expected 2/3/2026

Mfr. Part No.
3RT20353KB40

Mouser Part No
982-3RT20353KB40

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VDC SPRING 1NO/1NC

Datasheet

1In Stock

3Expected 2/3/2026

$580.24

$568.72

Min.: 1
Mult.: 1

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

3RT20371CL243MA0
Siemens
1: $749.27
3In Stock

Mfr. Part No.
3RT20371CL243MA0

Mouser Part No
982-3RT20371CL243MA0

Siemens

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

Datasheet

3In Stock

$749.27

$734.23

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S00 18A 120VAC 4NO SPRG

3RT23162AK60
Siemens
1: $165.03
3In Stock

Mfr. Part No.
3RT23162AK60

Mouser Part No
982-3RT23162AK60

Siemens

Contactors - Electromechanical CONTACTOR RES S00 18A 120VAC 4NO SPRG

Datasheet

3In Stock

$165.03

$161.80

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 110VAC 2NO/2NC SCRW

3RT25181AF00
Siemens
1: $232.80
1In Stock

Mfr. Part No.
3RT25181AF00

Mouser Part No
982-3RT25181AF00

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 110VAC 2NO/2NC SCRW

Datasheet

1In Stock

$232.80

$232.67

Min.: 1
Mult.: 1

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

3RT20151JB42
Siemens
1: $186.39
1In Stock

Mfr. Part No.
3RT20151JB42

Mouser Part No
982-3RT20151JB42

Siemens

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

Datasheet

1In Stock

$186.39

$183.73

Quote

Min.: 1
Mult.: 1

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

3RT20254AG60
Siemens
1: $261.76
1In Stock

Mfr. Part No.
3RT20254AG60

Mouser Part No
982-3RT20254AG60

Siemens

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

Datasheet

1In Stock

$261.76

Min.: 1
Mult.: 1