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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 38A 240VAC 1NO/1NC SCRW

3RT20281AP60
Siemens
1: 293,78 €
3In Stock

Mfr. Part No.
3RT20281AP60

Mouser Part No
982-3RT20281AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 240VAC 1NO/1NC SCRW

Datasheet

3In Stock

293,78 €

268,21 €

Min.: 1
Mult.: 1

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

3RT20281FB443MA0
Siemens
1: 494,78 €
2In Stock

Mfr. Part No.
3RT20281FB443MA0

Mouser Part No
982-3RT20281FB443MA0

Siemens

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

Datasheet

2In Stock

494,78 €

452,08 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 38A 110VAC 1NO/1NC SPRG

3RT20282AF00
Siemens
1: 307,29 €
2In Stock

Mfr. Part No.
3RT20282AF00

Mouser Part No
982-3RT20282AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 110VAC 1NO/1NC SPRG

Datasheet

2In Stock

307,29 €

301,25 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

3RT20351AB00
Siemens
1: 290,28 €
3In Stock

Mfr. Part No.
3RT20351AB00

Mouser Part No
982-3RT20351AB00

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

Datasheet

3In Stock

290,28 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

3RT20351AC20
Siemens
1: 293,19 €
2In Stock

Mfr. Part No.
3RT20351AC20

Mouser Part No
982-3RT20351AC20

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 24VAC SCREW 1NO/1NC

Datasheet

2In Stock

293,19 €

261,04 €

249,22 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

3RT20351AL20
Siemens
1: 284,06 €
4In Stock

Mfr. Part No.
3RT20351AL20

Mouser Part No
982-3RT20351AL20

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

Datasheet

4In Stock

284,06 €

261,04 €

249,22 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

3RT20351AP00
Siemens
1: 290,29 €
1In Stock

Mfr. Part No.
3RT20351AP00

Mouser Part No
982-3RT20351AP00

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 230VAC SCREW 1NO/1NC

Datasheet

1In Stock

290,29 €

290,28 €

Min.: 1
Mult.: 1

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

3RT20351KB40
Siemens
1: 379,07 €
3In Stock

Mfr. Part No.
3RT20351KB40

Mouser Part No
982-3RT20351KB40

Siemens

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

Datasheet

3In Stock

379,07 €

337,48 €

322,21 €

Min.: 1
Mult.: 1

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

3RT20353KB40
Siemens
1: 382,84 €
3In Stock

Mfr. Part No.
3RT20353KB40

Mouser Part No
982-3RT20353KB40

Siemens

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

Datasheet

3In Stock

382,84 €

375,32 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 24VAC SCREW 1NO/1NC

3RT20361AC20
Siemens
1: 304,23 €
3In Stock

Mfr. Part No.
3RT20361AC20

Mouser Part No
982-3RT20361AC20

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 24VAC SCREW 1NO/1NC

Datasheet

3In Stock

304,23 €

278,83 €

266,21 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 110VAC SCREW 1NO/1NC

3RT20361AG20
Siemens
1: 307,42 €
2In Stock
4Expected 9/28/2026

Mfr. Part No.
3RT20361AG20

Mouser Part No
982-3RT20361AG20

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 110VAC SCREW 1NO/1NC

Datasheet

2In Stock

4Expected 9/28/2026

307,42 €

278,83 €

266,21 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 230VAC SCREW 2NO/2NC

3RT20361AL24
Siemens
1: 333,23 €
1In Stock

Mfr. Part No.
3RT20361AL24

Mouser Part No
982-3RT20361AL24

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 230VAC SCREW 2NO/2NC

Datasheet

1In Stock

333,23 €

333,22 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 240VAC SCREW 1NO/1NC

3RT20361AP60
Siemens
1: 307,42 €
3In Stock

Mfr. Part No.
3RT20361AP60

Mouser Part No
982-3RT20361AP60

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 240VAC SCREW 1NO/1NC

Datasheet

3In Stock

307,42 €

278,83 €

266,21 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 24VDC SCREW 2NO/2NC

3RT20361KB443MA0
Siemens
1: 417,12 €
1In Stock

Mfr. Part No.
3RT20361KB443MA0

Mouser Part No
982-3RT20361KB443MA0

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 24VDC SCREW 2NO/2NC

Datasheet

1In Stock

417,12 €

378,53 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 20-33VUC SCREW 1NO/1NC

3RT20361NB30
Siemens
1: 398,27 €
2In Stock

Mfr. Part No.
3RT20361NB30

Mouser Part No
982-3RT20361NB30

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 20-33VUC SCREW 1NO/1NC

Datasheet

2In Stock

398,27 €

359,36 €

343,09 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 120VAC SPRING 1NO/1NC

3RT20363AK60
Siemens
1: 307,42 €
3In Stock

Mfr. Part No.
3RT20363AK60

Mouser Part No
982-3RT20363AK60

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 120VAC SPRING 1NO/1NC

Datasheet

3In Stock

307,42 €

273,67 €

266,21 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 24VDC SPRING 1NO/1NC

3RT20363KB40
Siemens
1: 399,66 €
1In Stock

Mfr. Part No.
3RT20363KB40

Mouser Part No
982-3RT20363KB40

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 24VDC SPRING 1NO/1NC

Datasheet

1In Stock

399,66 €

399,65 €

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 24VDC VAR SPRNG 1NO/1NC

3RT20363XB400LA2
Siemens
1: 569,85 €
1In Stock

Mfr. Part No.
3RT20363XB400LA2

Mouser Part No
982-3RT20363XB400LA2

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 24VDC VAR SPRNG 1NO/1NC

Datasheet

1In Stock

569,85 €

522,60 €

Min.: 1
Mult.: 1

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

3RT20371AG20
Siemens
1: 428,72 €
2In Stock

Mfr. Part No.
3RT20371AG20

Mouser Part No
982-3RT20371AG20

Siemens

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

Datasheet

2In Stock

428,72 €

428,71 €

Min.: 1
Mult.: 1

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

3RT20371AH20
Siemens
1: 434,03 €
1In Stock

Mfr. Part No.
3RT20371AH20

Mouser Part No
982-3RT20371AH20

Siemens

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

Datasheet

1In Stock

434,03 €

434,02 €

Min.: 1
Mult.: 1

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

3RT20371AK60
Siemens
1: 425,04 €
3In Stock

Mfr. Part No.
3RT20371AK60

Mouser Part No
982-3RT20371AK60

Siemens

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

Datasheet

3In Stock

425,04 €

385,49 €

Min.: 1
Mult.: 1

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

3RT20371AL20
Siemens
1: 428,72 €
1In Stock

Mfr. Part No.
3RT20371AL20

Mouser Part No
982-3RT20371AL20

Siemens

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

Datasheet

1In Stock

428,72 €

428,71 €

Min.: 1
Mult.: 1

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

3RT20371AN20
Siemens
1: 428,72 €
3In Stock

Mfr. Part No.
3RT20371AN20

Mouser Part No
982-3RT20371AN20

Siemens

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

Datasheet

3In Stock

428,72 €

428,71 €

Min.: 1
Mult.: 1

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

3RT20371AP00
Siemens
1: 437,30 €
3In Stock

Mfr. Part No.
3RT20371AP00

Mouser Part No
982-3RT20371AP00

Siemens

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

Datasheet

3In Stock

437,30 €

428,71 €

Min.: 1
Mult.: 1

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

3RT20371AP60
Siemens
1: 425,04 €
1In Stock

Mfr. Part No.
3RT20371AP60

Mouser Part No
982-3RT20371AP60

Siemens

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

Datasheet

1In Stock

425,04 €

385,49 €

Min.: 1
Mult.: 1