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SIRIUS 3RH2 4- & 8-Pole Contactor Relays

Siemens SIRIUS 3RH2 4- and 8-Pole Contactor Relays are available with screw or spring-loaded terminals. The basic unit contains four contacts with terminal designations according to EN 50011. Siemens 3RH2 Contactor Relays feature high contact stability at low voltages and currents. This performance is suitable for solid-state circuits with currents ≥1mA at a voltage of ≥17V. 3RH21 Coupling Contactor Relays for Switching Auxiliary Circuits are tailored to the special requirements of working with electronic controls.

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Part #

Auxiliary Contacts AUX. SWITCH 3NO+1NC FOR S00 SPRING

3RH29112HA31
Siemens
1: Rp992.335
376In Stock

Mfr. Part No.
3RH29112HA31

Mouser Part No
982-3RH29112HA31

Siemens

Auxiliary Contacts AUX. SWITCH 3NO+1NC FOR S00 SPRING

Datasheet

376In Stock

Rp992.335

Rp946.287

Rp896.569

Rp847.402

Rp809.059

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 120V SCREW

3RH21221AK60
Siemens
1: Rp2.302.423
22In Stock

Mfr. Part No.
3RH21221AK60

Mouser Part No
982-3RH21221AK60

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 120V SCREW

Datasheet

22In Stock

Rp2.302.423

Rp2.174.184

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SCREW

3RH21311BB40
Siemens
1: Rp2.568.440
20In Stock

Mfr. Part No.
3RH21311BB40

Mouser Part No
982-3RH21311BB40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SCREW

Datasheet

20In Stock

Rp2.568.440

Rp2.399.657

Rp2.263.346

Rp2.223.535

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SPRING

3RH21312BB40
Siemens
1: Rp2.652.648
21In Stock

Mfr. Part No.
3RH21312BB40

Mouser Part No
982-3RH21312BB40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SPRING

Datasheet

21In Stock

Rp2.652.648

Rp2.498.542

Rp2.302.790

Rp2.223.535

Min.: 1
Mult.: 1

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

3RH29111HA22
Siemens
1: Rp992.519
66In Stock

Mfr. Part No.
3RH29111HA22

Mouser Part No
982-3RH29111HA22

Siemens

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

Datasheet

66In Stock

Rp992.519

Rp976.007

Rp843.916

Rp792.547

Rp755.488

Min.: 1
Mult.: 1

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

3RH29111XA220MA0
Siemens
1: Rp992.335
65In Stock

Mfr. Part No.
3RH29111XA220MA0

Mouser Part No
982-3RH29111XA220MA0

Siemens

Auxiliary Contacts AUX. SWITCH 2NO+2NC FOR S00 & S0 SCREW

Datasheet

65In Stock

Rp992.335

Rp936.380

Rp843.916

Rp786.860

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 24V SCREW

3RH21221AB00
Siemens
1: Rp2.337.464
6In Stock

Mfr. Part No.
3RH21221AB00

Mouser Part No
982-3RH21221AB00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 24V SCREW

Datasheet

6In Stock

Rp2.337.464

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 110V SCREW

3RH21221AF00
Siemens
1: Rp2.369.569
6In Stock

Mfr. Part No.
3RH21221AF00

Mouser Part No
982-3RH21221AF00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 110V SCREW

Datasheet

6In Stock

Rp2.369.569

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 230V SCREW

3RH21221AP00
Siemens
1: Rp2.334.529
6In Stock

Mfr. Part No.
3RH21221AP00

Mouser Part No
982-3RH21221AP00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 230V SCREW

Datasheet

6In Stock

Rp2.334.529

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 240V SCREW

3RH21221AP60
Siemens
1: Rp2.337.464
3In Stock

Mfr. Part No.
3RH21221AP60

Mouser Part No
982-3RH21221AP60

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 240V SCREW

Datasheet

3In Stock

Rp2.337.464

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SCREW

3RH21221BB40
Siemens
1: Rp2.600.912
11In Stock

Mfr. Part No.
3RH21221BB40

Mouser Part No
982-3RH21221BB40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SCREW

Datasheet

11In Stock

Rp2.600.912

Rp2.411.765

Rp2.302.790

Rp2.223.535

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 110V SCREW

3RH21221BF40
Siemens
1: Rp2.641.641
6In Stock

Mfr. Part No.
3RH21221BF40

Mouser Part No
982-3RH21221BF40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 110V SCREW

Datasheet

6In Stock

Rp2.641.641

Rp2.411.765

Rp2.302.790

Rp2.223.535

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SPRING

3RH21222BB40
Siemens
1: Rp2.680.901
10In Stock

Mfr. Part No.
3RH21222BB40

Mouser Part No
982-3RH21222BB40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SPRING

Datasheet

10In Stock

Rp2.680.901

Rp2.411.765

Rp2.302.790

Rp2.223.535

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SPRING

3RH21222HB40
Siemens
1: Rp2.686.405
3In Stock

Mfr. Part No.
3RH21222HB40

Mouser Part No
982-3RH21222HB40

Siemens

Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SPRING

Datasheet

3In Stock

Rp2.686.405

Rp2.411.765

Rp2.302.790

Rp2.223.535

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SCREW

3RH21311AF00
Siemens
1: Rp2.349.389
4In Stock

Mfr. Part No.
3RH21311AF00

Mouser Part No
982-3RH21311AF00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SCREW

Datasheet

4In Stock

Rp2.349.389

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SCREW

3RH21311AK60
Siemens
1: Rp2.315.816
7In Stock

Mfr. Part No.
3RH21311AK60

Mouser Part No
982-3RH21311AK60

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SCREW

Datasheet

7In Stock

Rp2.315.816

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 220V SCREW

3RH21311AN20
Siemens
1: Rp1.633.161
5In Stock

Mfr. Part No.
3RH21311AN20

Mouser Part No
982-3RH21311AN20

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 220V SCREW

Datasheet

5In Stock

Rp1.633.161

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 230V SCREW

3RH21311AP00
Siemens
1: Rp2.345.536
6In Stock

Mfr. Part No.
3RH21311AP00

Mouser Part No
982-3RH21311AP00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 230V SCREW

Datasheet

6In Stock

Rp2.345.536

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 240V SCREW

3RH21311AP60
Siemens
1: Rp2.331.777
4In Stock

Mfr. Part No.
3RH21311AP60

Mouser Part No
982-3RH21311AP60

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 240V SCREW

Datasheet

4In Stock

Rp2.331.777

Rp2.296.185

Rp2.231.607

Rp2.180.789

View

Min.: 1
Mult.: 1

Contactors - Electromechanical COUPLING RELAY 3NO+1NC DC 24V SCREW

3RH21311JB40
Siemens
1: Rp2.383.879
2In Stock

Mfr. Part No.
3RH21311JB40

Mouser Part No
982-3RH21311JB40

Siemens

Contactors - Electromechanical COUPLING RELAY 3NO+1NC DC 24V SCREW

Datasheet

2In Stock

Rp2.383.879

Rp2.122.632

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SPRING

3RH21312AF00
Siemens
1: Rp1.816.621
3In Stock

Mfr. Part No.
3RH21312AF00

Mouser Part No
982-3RH21312AF00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC AC 110V SPRING

Datasheet

3In Stock

Rp1.816.621

Rp1.617.934

Rp1.545.100

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SPRING

3RH21312JB40
Siemens
1: Rp3.052.407
1In Stock
4Expected 27/07/2026

Mfr. Part No.
3RH21312JB40

Mouser Part No
982-3RH21312JB40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 3NO+1NC DC 24V SPRING

Datasheet

1In Stock

4Expected 27/07/2026

Rp3.052.407

Rp2.772.814

Rp2.647.511

Rp2.556.332

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW

3RH21401AB00
Siemens
1: Rp2.337.464
4In Stock

Mfr. Part No.
3RH21401AB00

Mouser Part No
982-3RH21401AB00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW

Datasheet

4In Stock

Rp2.337.464

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 110V SCREW

3RH21401AF00
Siemens
1: Rp2.369.569
5In Stock

Mfr. Part No.
3RH21401AF00

Mouser Part No
982-3RH21401AF00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 110V SCREW

Datasheet

5In Stock

Rp2.369.569

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 120V SCREW

3RH21401AK60
Siemens
1: Rp2.359.846
8In Stock

Mfr. Part No.
3RH21401AK60

Mouser Part No
982-3RH21401AK60

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 120V SCREW

Datasheet

8In Stock

Rp2.359.846

Rp2.111.992

Rp2.016.592

Rp1.947.061

Min.: 1
Mult.: 1