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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 24VDC 1NO/1NC SPRG

3RT20282BB40
Siemens
1: Rp9.098.699
5In Stock

Mfr. Part No.
3RT20282BB40

Mouser Part No
982-3RT20282BB40

Siemens

Contactors - Electromechanical CONTACTOR S0 38A 24VDC 1NO/1NC SPRG

Datasheet

5In Stock

Rp9.098.699

Rp8.250.196

Rp8.249.462

Min.: 1
Mult.: 1

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

3RT20351KB443MA0
Siemens
1: Rp8.373.481
4In Stock

Mfr. Part No.
3RT20351KB443MA0

Mouser Part No
982-3RT20351KB443MA0

Siemens

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

Datasheet

4In Stock

Rp8.373.481

Rp7.459.484

Rp7.122.835

Min.: 1
Mult.: 1

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

3RT20381AK60
Siemens
1: Rp10.097.455
5In Stock

Mfr. Part No.
3RT20381AK60

Mouser Part No
982-3RT20381AK60

Siemens

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

Datasheet

5In Stock

Rp10.097.455

Rp9.237.761

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 110VAC 1NO/1NC SCRW

3RT20241AF00
Siemens
1: Rp2.393.786
30In Stock

Mfr. Part No.
3RT20241AF00

Mouser Part No
982-3RT20241AF00

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 110VAC 1NO/1NC SCRW

Datasheet

30In Stock

Rp2.393.786

Rp2.200.236

Rp2.085.573

Rp1.972.562

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Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 25A 220VAC 1NO/1NC SCRW

3RT20261AP60
Siemens
1: Rp4.094.277
10In Stock

Mfr. Part No.
3RT20261AP60

Mouser Part No
982-3RT20261AP60

Siemens

Contactors - Electromechanical CONTACTOR S0 25A 220VAC 1NO/1NC SCRW

Datasheet

10In Stock

Rp4.094.277

Rp3.677.823

Rp3.511.608

Rp3.390.708

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 32A 120VAC SCREW 1NO/1NC

3RT20271AK60
Siemens
1: Rp5.676.619
14In Stock

Mfr. Part No.
3RT20271AK60

Mouser Part No
982-3RT20271AK60

Siemens

Contactors - Electromechanical CONTACTOR S0 32A 120VAC SCREW 1NO/1NC

Datasheet

14In Stock

Rp5.676.619

Rp5.053.956

Rp4.825.365

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 48VAC 1NO/1NC SCRW

3RT20231AH00
Siemens
1: Rp2.056.403
1In Stock

Mfr. Part No.
3RT20231AH00

Mouser Part No
982-3RT20231AH00

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 48VAC 1NO/1NC SCRW

Datasheet

1In Stock

Rp2.056.403

Rp2.056.220

Rp2.000.998

Rp1.958.986

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 480VAC 1NO/1NC SCRW

3RT20241AV60
Siemens
1: Rp2.637.971
6In Stock

Mfr. Part No.
3RT20241AV60

Mouser Part No
982-3RT20241AV60

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 480VAC 1NO/1NC SCRW

Datasheet

6In Stock

Rp2.637.971

Rp2.586.236

Rp2.529.546

View

Min.: 1
Mult.: 1

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

3RT20351SP30
Siemens
1: Rp8.812.501
3In Stock

Mfr. Part No.
3RT20351SP30

Mouser Part No
982-3RT20351SP30

Siemens

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

Datasheet

3In Stock

Rp8.812.501

Rp8.639.498

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 50A 20-33VUC SCREW 2NO/2NC

3RT20361NB343MA0
Siemens
1: Rp8.980.550
1In Stock
2Expected 26/10/2026

Mfr. Part No.
3RT20361NB343MA0

Mouser Part No
982-3RT20361NB343MA0

Siemens

Contactors - Electromechanical CONTACTOR S2 50A 20-33VUC SCREW 2NO/2NC

Datasheet

1In Stock

2Expected 26/10/2026

Rp8.980.550

Rp8.980.367

Min.: 1
Mult.: 1

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

3RT20363AB00
Siemens
1: Rp6.614.834
1In Stock

Mfr. Part No.
3RT20363AB00

Mouser Part No
982-3RT20363AB00

Siemens

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

Datasheet

1In Stock

Rp6.614.834

Min.: 1
Mult.: 1

Contactors - Electromechanical 4NO CONTACTOR. AC1: 40A. 24 VDC

3RT23261BB401AA0
Siemens
1: Rp8.275.147
2In Stock

Mfr. Part No.
3RT23261BB401AA0

Mouser Part No
982-3RT23261BB401AA0

Siemens

Contactors - Electromechanical 4NO CONTACTOR. AC1: 40A. 24 VDC

Datasheet

2In Stock

Rp8.275.147

Rp8.112.601

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 12A 110VDC 2NO/2NC SPRG

3RT25172BF40
Siemens
1: Rp2.948.569
1In Stock

Mfr. Part No.
3RT25172BF40

Mouser Part No
982-3RT25172BF40

Siemens

Contactors - Electromechanical CONTACTOR S00 12A 110VDC 2NO/2NC SPRG

Datasheet

1In Stock

Rp2.948.569

Rp2.931.324

Rp2.873.351

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CAP CONTACTOR 25KVAR 1NO+2NC 120VAC

3RT26271AK65
Siemens
1: Rp5.998.041
1In Stock

Mfr. Part No.
3RT26271AK65

Mouser Part No
982-3RT26271AK65

Siemens

Contactors - Electromechanical CAP CONTACTOR 25KVAR 1NO+2NC 120VAC

Datasheet

1In Stock

Rp5.998.041

Rp5.997.858

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 42VAC 1NC SCRW

3RT20161AD02
Siemens
1: Rp2.276.922
4In Stock

Mfr. Part No.
3RT20161AD02

Mouser Part No
982-3RT20161AD02

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 42VAC 1NC SCRW

Datasheet

4In Stock

Rp2.276.922

Rp2.232.158

Rp2.207.024

Rp2.145.381

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 AC3 120VAC 1NO SCRW

3RT20161AK21
Siemens
1: Rp2.276.922
3In Stock

Mfr. Part No.
3RT20161AK21

Mouser Part No
982-3RT20161AK21

Siemens

Contactors - Electromechanical CONTACTOR S00 AC3 120VAC 1NO SCRW

Datasheet

3In Stock

Rp2.276.922

Rp2.232.158

Rp2.207.024

Rp2.145.381

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 110VDC 1NC SCRW

3RT20161BF42
Siemens
1: Rp2.351.040
3In Stock

Mfr. Part No.
3RT20161BF42

Mouser Part No
982-3RT20161BF42

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 110VDC 1NC SCRW

Datasheet

3In Stock

Rp2.351.040

Rp2.350.123

Rp2.349.939

Rp2.329.208

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 9A 110VAC 2NO/2NC SPRG

3RT20162AF04
Siemens
1: Rp3.050.206
1In Stock

Mfr. Part No.
3RT20162AF04

Mouser Part No
982-3RT20162AF04

Siemens

Contactors - Electromechanical CONTACTOR S00 9A 110VAC 2NO/2NC SPRG

Datasheet

1In Stock

Rp3.050.206

Rp3.011.863

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 120VAC 1NO SCRW

3RT20181AK610UA0
Siemens
1: Rp4.156.286
1In Stock

Mfr. Part No.
3RT20181AK610UA0

Mouser Part No
982-3RT20181AK610UA0

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 120VAC 1NO SCRW

Datasheet

1In Stock

Rp4.156.286

Rp4.002.914

Rp3.947.325

Rp3.889.902

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S00 16A 480VDC 1NO SPRG

3RT20182BW41
Siemens
1: Rp4.819.494
1In Stock

Mfr. Part No.
3RT20182BW41

Mouser Part No
982-3RT20182BW41

Siemens

Contactors - Electromechanical CONTACTOR S00 16A 480VDC 1NO SPRG

Datasheet

1In Stock

Rp4.819.494

Quote

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 9A 480VAC 1NO/1NC SCRW

3RT20231AV60
Siemens
1: Rp2.235.644
1In Stock

Mfr. Part No.
3RT20231AV60

Mouser Part No
982-3RT20231AV60

Siemens

Contactors - Electromechanical CONTACTOR S0 9A 480VAC 1NO/1NC SCRW

Datasheet

1In Stock

Rp2.235.644

Rp2.235.460

Rp2.184.275

Rp2.135.107

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 12A 42VAC 2NO/2NC SCRW

3RT20241AD04
Siemens
1: Rp3.299.712
1In Stock

Mfr. Part No.
3RT20241AD04

Mouser Part No
982-3RT20241AD04

Siemens

Contactors - Electromechanical CONTACTOR S0 12A 42VAC 2NO/2NC SCRW

Datasheet

1In Stock

Rp3.299.712

Rp3.298.611

Rp3.251.278

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 16A 240VAC 1NO/1NC SCRW

3RT20251AU00
Siemens
1: Rp3.149.641
1In Stock

Mfr. Part No.
3RT20251AU00

Mouser Part No
982-3RT20251AU00

Siemens

Contactors - Electromechanical CONTACTOR S0 16A 240VAC 1NO/1NC SCRW

Datasheet

1In Stock

Rp3.149.641

Rp3.135.882

Rp3.067.635

View

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S0 32A 125VDC 1NO/1NC SCRW

3RT20271BG40
Siemens
1: Rp8.870.841
2In Stock

Mfr. Part No.
3RT20271BG40

Mouser Part No
982-3RT20271BG40

Siemens

Contactors - Electromechanical CONTACTOR S0 32A 125VDC 1NO/1NC SCRW

Datasheet

2In Stock

Rp8.870.841

Rp8.696.738

Rp8.696.554

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR S2 40A 110VAC SCREW 2NO/2NC

3RT20351AG24
Siemens
1: Rp6.720.323
1In Stock

Mfr. Part No.
3RT20351AG24

Mouser Part No
982-3RT20351AG24

Siemens

Contactors - Electromechanical CONTACTOR S2 40A 110VAC SCREW 2NO/2NC

Datasheet

1In Stock

Rp6.720.323

Rp6.720.140

Min.: 1
Mult.: 1