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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 230VAC SCREW 1NO/1NC

3RT20371AL20
Siemens
1: 402,18 €
3In Stock

Mfr. Part No.
3RT20371AL20

Mouser Part No
982-3RT20371AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

Datasheet

3In Stock

402,18 €

402,08 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 220VAC SCREW 1NO/1NC

3RT20371AN20
Siemens
1: 400,58 €
3In Stock

Mfr. Part No.
3RT20371AN20

Mouser Part No
982-3RT20371AN20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 220VAC SCREW 1NO/1NC

Datasheet

3In Stock

400,58 €

398,82 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

3RT20371AP00
Siemens
1: 410,31 €
3In Stock

Mfr. Part No.
3RT20371AP00

Mouser Part No
982-3RT20371AP00

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

Datasheet

3In Stock

410,31 €

402,08 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 240VAC SCREW 1NO/1NC

3RT20371AP60
Siemens
1: 381,84 €
1In Stock

Mfr. Part No.
3RT20371AP60

Mouser Part No
982-3RT20371AP60

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 240VAC SCREW 1NO/1NC

Datasheet

1In Stock

381,84 €

340,05 €

324,66 €

Min.: 1
Mult.: 1

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

3RT20371KB40
Siemens
1: 452,33 €
2In Stock
2Expected 3/11/2026

Mfr. Part No.
3RT20371KB40

Mouser Part No
982-3RT20371KB40

Siemens

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

Datasheet

2In Stock

2Expected 3/11/2026

452,33 €

404,52 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SCREW 1NO/1NC

3RT20371NB30
Siemens
1: 454,23 €
3In Stock

Mfr. Part No.
3RT20371NB30

Mouser Part No
982-3RT20371NB30

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SCREW 1NO/1NC

Datasheet

3In Stock

454,23 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 20-33VAC SCREW 1NO/1NC

3RT20371NB301AA0
Siemens
1: 501,30 €
1In Stock

Mfr. Part No.
3RT20371NB301AA0

Mouser Part No
982-3RT20371NB301AA0

Siemens

Contactors - Electromechanical CONTACTOR S2 20-33VAC SCREW 1NO/1NC

Datasheet

1In Stock

501,30 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SPRING 1NO/1NC

3RT20373AL20
Siemens
1: 400,00 €
2In Stock

Mfr. Part No.
3RT20373AL20

Mouser Part No
982-3RT20373AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SPRING 1NO/1NC

Datasheet

2In Stock

400,00 €

397,13 €

Min.: 1
Mult.: 1

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

3RT20373KB40
Siemens
1: 454,28 €
3In Stock

Mfr. Part No.
3RT20373KB40

Mouser Part No
982-3RT20373KB40

Siemens

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

Datasheet

3In Stock

454,28 €

404,52 €

Min.: 1
Mult.: 1

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

3RT20381AC20
Siemens
1: 429,18 €
2In Stock

Mfr. Part No.
3RT20381AC20

Mouser Part No
982-3RT20381AC20

Siemens

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

Datasheet

2In Stock

429,18 €

382,17 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 110VAC SCREW 1NO/1NC

3RT20381AG20
Siemens
1: 429,18 €
1In Stock

Mfr. Part No.
3RT20381AG20

Mouser Part No
982-3RT20381AG20

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 110VAC SCREW 1NO/1NC

Datasheet

1In Stock

429,18 €

382,17 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 110VAC SCREW 2NO/2NC

3RT20381AG24
Siemens
1: 470,76 €
1In Stock

Mfr. Part No.
3RT20381AG24

Mouser Part No
982-3RT20381AG24

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 110VAC SCREW 2NO/2NC

Datasheet

1In Stock

470,76 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 120VAC SCREW 2NO/2NC

3RT20381AK64
Siemens
1: 474,94 €
1In Stock

Mfr. Part No.
3RT20381AK64

Mouser Part No
982-3RT20381AK64

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 120VAC SCREW 2NO/2NC

Datasheet

1In Stock

474,94 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

3RT20381AP00
Siemens
1: 461,01 €
3In Stock

Mfr. Part No.
3RT20381AP00

Mouser Part No
982-3RT20381AP00

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 230VAC SCREW 1NO/1NC

Datasheet

3In Stock

461,01 €

451,88 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 240VAC SCREW 1NO/1NC

3RT20381AP60
Siemens
1: 452,01 €
3In Stock

Mfr. Part No.
3RT20381AP60

Mouser Part No
982-3RT20381AP60

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 240VAC SCREW 1NO/1NC

Datasheet

3In Stock

452,01 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 175-280VUC SCRW 1NO/1NC

3RT20381NP30
Siemens
1: 504,17 €
1In Stock

Mfr. Part No.
3RT20381NP30

Mouser Part No
982-3RT20381NP30

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 175-280VUC SCRW 1NO/1NC

Datasheet

1In Stock

504,17 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 120VAC SPRING 1NO/1NC

3RT20383AK60
Siemens
1: 429,21 €
1In Stock

Mfr. Part No.
3RT20383AK60

Mouser Part No
982-3RT20383AK60

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 120VAC SPRING 1NO/1NC

Datasheet

1In Stock

429,21 €

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPLING CONT..AC3:37KW 2NO+2NC 24VDC

3RT20383KB443MA0
Siemens
1: 522,31 €
1In Stock

Mfr. Part No.
3RT20383KB443MA0

Mouser Part No
982-3RT20383KB443MA0

Siemens

Contactors - Electromechanical COUPLING CONT..AC3:37KW 2NO+2NC 24VDC

Datasheet

1In Stock

522,31 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SPRING 1NO/1NC

3RT20383NB30
Siemens
1: 504,37 €
1In Stock

Mfr. Part No.
3RT20383NB30

Mouser Part No
982-3RT20383NB30

Siemens

Contactors - Electromechanical CONTACTOR S2 65A 20-33VUC SPRING 1NO/1NC

Datasheet

1In Stock

504,37 €

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPL. CONT.. AC3:37KW. 1NO+1NC. 24VDC

3RT20451KB40
Siemens
1: 926,56 €
1In Stock

Mfr. Part No.
3RT20451KB40

Mouser Part No
982-3RT20451KB40

Siemens

Contactors - Electromechanical COUPL. CONT.. AC3:37KW. 1NO+1NC. 24VDC

Datasheet

1In Stock

926,56 €

855,22 €

Min.: 1
Mult.: 1

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

3RT23161AK60
Siemens
1: 95,09 €
6In Stock

Mfr. Part No.
3RT23161AK60

Mouser Part No
982-3RT23161AK60

Siemens

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

Datasheet

6In Stock

95,09 €

84,68 €

80,85 €

78,06 €

75,38 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S00 18A 240VAC 4NO SCRW

3RT23161AP60
Siemens
1: 95,06 €
3In Stock

Mfr. Part No.
3RT23161AP60

Mouser Part No
982-3RT23161AP60

Siemens

Contactors - Electromechanical CONTACTOR RES S00 18A 240VAC 4NO SCRW

Datasheet

3In Stock

95,06 €

84,68 €

80,85 €

78,06 €

75,38 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S00 18A 24VDC 4NO SCRW

3RT23161BB40
Siemens
1: 106,09 €
4In Stock

Mfr. Part No.
3RT23161BB40

Mouser Part No
982-3RT23161BB40

Siemens

Contactors - Electromechanical CONTACTOR RES S00 18A 24VDC 4NO SCRW

Datasheet

4In Stock

106,09 €

94,46 €

90,19 €

87,09 €

84,09 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S00 18A 24VDC 4NO SPRG

3RT23162BB40
Siemens
1: 107,17 €
5In Stock

Mfr. Part No.
3RT23162BB40

Mouser Part No
982-3RT23162BB40

Siemens

Contactors - Electromechanical CONTACTOR RES S00 18A 24VDC 4NO SPRG

Datasheet

5In Stock

107,17 €

103,58 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RES S00 20A 12VDC 4NO SCRW

3RT23171BA40
Siemens
1: 143,96 €
1In Stock

Mfr. Part No.
3RT23171BA40

Mouser Part No
982-3RT23171BA40

Siemens

Contactors - Electromechanical CONTACTOR RES S00 20A 12VDC 4NO SCRW

Datasheet

1In Stock

143,96 €

Min.: 1
Mult.: 1