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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: 347,04 kr.
376In Stock

Mfr. Part No.
3RH29112HA31

Mouser Part No
982-3RH29112HA31

Siemens

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

Datasheet

376In Stock

347,04 kr.

330,93 kr.

313,54 kr.

296,31 kr.

282,96 kr.

Min.: 1
Mult.: 1

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

3RH21221AK60
Siemens
1: 805,16 kr.
15In Stock
7Expected 18/06/2026

Mfr. Part No.
3RH21221AK60

Mouser Part No
982-3RH21221AK60

Siemens

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

Datasheet

15In Stock

7Expected 18/06/2026

805,16 kr.

760,32 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21311BB40
Siemens
1: 898,18 kr.
19In Stock

Mfr. Part No.
3RH21311BB40

Mouser Part No
982-3RH21311BB40

Siemens

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

Datasheet

19In Stock

898,18 kr.

839,18 kr.

791,51 kr.

777,56 kr.

Min.: 1
Mult.: 1

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

3RH21312BB40
Siemens
1: 927,65 kr.
21In Stock

Mfr. Part No.
3RH21312BB40

Mouser Part No
982-3RH21312BB40

Siemens

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

Datasheet

21In Stock

927,65 kr.

873,72 kr.

805,31 kr.

777,56 kr.

Min.: 1
Mult.: 1

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

3RH29111HA22
Siemens
1: 347,11 kr.
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

347,11 kr.

341,30 kr.

295,12 kr.

277,14 kr.

264,16 kr.

Min.: 1
Mult.: 1

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

3RH29111XA220MA0
Siemens
1: 347,04 kr.
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

347,04 kr.

327,42 kr.

295,12 kr.

275,20 kr.

Min.: 1
Mult.: 1

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

3RH21221AB00
Siemens
1: 817,39 kr.
6In Stock

Mfr. Part No.
3RH21221AB00

Mouser Part No
982-3RH21221AB00

Siemens

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

Datasheet

6In Stock

817,39 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21221AF00
Siemens
1: 828,66 kr.
6In Stock

Mfr. Part No.
3RH21221AF00

Mouser Part No
982-3RH21221AF00

Siemens

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

Datasheet

6In Stock

828,66 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21221AP00
Siemens
1: 816,42 kr.
6In Stock

Mfr. Part No.
3RH21221AP00

Mouser Part No
982-3RH21221AP00

Siemens

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

Datasheet

6In Stock

816,42 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21221AP60
Siemens
1: 817,39 kr.
3In Stock

Mfr. Part No.
3RH21221AP60

Mouser Part No
982-3RH21221AP60

Siemens

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

Datasheet

3In Stock

817,39 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21221BB40
Siemens
1: 909,52 kr.
11In Stock

Mfr. Part No.
3RH21221BB40

Mouser Part No
982-3RH21221BB40

Siemens

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

Datasheet

11In Stock

909,52 kr.

843,43 kr.

805,31 kr.

777,56 kr.

Min.: 1
Mult.: 1

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

3RH21221BF40
Siemens
1: 923,77 kr.
6In Stock

Mfr. Part No.
3RH21221BF40

Mouser Part No
982-3RH21221BF40

Siemens

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

Datasheet

6In Stock

923,77 kr.

843,43 kr.

805,31 kr.

777,56 kr.

Min.: 1
Mult.: 1

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

3RH21222BB40
Siemens
1: 937,50 kr.
10In Stock

Mfr. Part No.
3RH21222BB40

Mouser Part No
982-3RH21222BB40

Siemens

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

Datasheet

10In Stock

937,50 kr.

843,43 kr.

805,31 kr.

777,56 kr.

Min.: 1
Mult.: 1

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

3RH21222HB40
Siemens
1: 939,44 kr.
3In Stock

Mfr. Part No.
3RH21222HB40

Mouser Part No
982-3RH21222HB40

Siemens

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

Datasheet

3In Stock

939,44 kr.

843,43 kr.

805,31 kr.

777,56 kr.

Min.: 1
Mult.: 1

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

3RH21311AF00
Siemens
1: 821,57 kr.
4In Stock

Mfr. Part No.
3RH21311AF00

Mouser Part No
982-3RH21311AF00

Siemens

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

Datasheet

4In Stock

821,57 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21311AK60
Siemens
1: 809,86 kr.
7In Stock

Mfr. Part No.
3RH21311AK60

Mouser Part No
982-3RH21311AK60

Siemens

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

Datasheet

7In Stock

809,86 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21311AN20
Siemens
1: 575,99 kr.
5In Stock

Mfr. Part No.
3RH21311AN20

Mouser Part No
982-3RH21311AN20

Siemens

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

Datasheet

5In Stock

575,99 kr.

Min.: 1
Mult.: 1

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

3RH21311AP00
Siemens
1: 820,23 kr.
6In Stock

Mfr. Part No.
3RH21311AP00

Mouser Part No
982-3RH21311AP00

Siemens

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

Datasheet

6In Stock

820,23 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

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

3RH21311AP60
Siemens
1: 617,09 kr.
4In Stock

Mfr. Part No.
3RH21311AP60

Mouser Part No
982-3RH21311AP60

Siemens

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

Datasheet

4In Stock

617,09 kr.

Min.: 1
Mult.: 1

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

3RH21311JB40
Siemens
1: 833,66 kr.
2In Stock

Mfr. Part No.
3RH21311JB40

Mouser Part No
982-3RH21311JB40

Siemens

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

Datasheet

2In Stock

833,66 kr.

770,02 kr.

Min.: 1
Mult.: 1

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

3RH21312AF00
Siemens
1: 635,29 kr.
3In Stock

Mfr. Part No.
3RH21312AF00

Mouser Part No
982-3RH21312AF00

Siemens

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

Datasheet

3In Stock

635,29 kr.

575,99 kr.

Min.: 1
Mult.: 1

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

3RH21312JB40
Siemens
1: 1.067,45 kr.
1In Stock

Mfr. Part No.
3RH21312JB40

Mouser Part No
982-3RH21312JB40

Siemens

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

Datasheet

1In Stock

1.067,45 kr.

969,65 kr.

925,86 kr.

893,93 kr.

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW

3RH21401AB00
Siemens
1: 817,39 kr.
4In Stock

Mfr. Part No.
3RH21401AB00

Mouser Part No
982-3RH21401AB00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW

Datasheet

4In Stock

817,39 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 110V SCREW

3RH21401AF00
Siemens
1: 828,66 kr.
5In Stock

Mfr. Part No.
3RH21401AF00

Mouser Part No
982-3RH21401AF00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 110V SCREW

Datasheet

5In Stock

828,66 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 120V SCREW

3RH21401AK60
Siemens
1: 825,23 kr.
8In Stock

Mfr. Part No.
3RH21401AK60

Mouser Part No
982-3RH21401AK60

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 120V SCREW

Datasheet

8In Stock

825,23 kr.

738,54 kr.

705,19 kr.

680,87 kr.

Min.: 1
Mult.: 1