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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: $54.09
376In Stock

Mfr. Part #
3RH29112HA31

Mouser Part #
982-3RH29112HA31

Siemens

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

Datasheet

376In Stock

$54.09

$51.58

$48.87

$46.19

$44.10

Min.: 1
Mult.: 1

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

3RH21221AK60
Siemens
1: $127.41
22In Stock

Mfr. Part #
3RH21221AK60

Mouser Part #
982-3RH21221AK60

Siemens

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

Datasheet

22In Stock

$127.41

$118.55

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21311BB40
Siemens
1: $140.00
20In Stock

Mfr. Part #
3RH21311BB40

Mouser Part #
982-3RH21311BB40

Siemens

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

Datasheet

20In Stock

$140.00

$130.80

$123.37

$121.20

Min.: 1
Mult.: 1

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

3RH21312BB40
Siemens
1: $144.59
20In Stock

Mfr. Part #
3RH21312BB40

Mouser Part #
982-3RH21312BB40

Siemens

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

Datasheet

20In Stock

$144.59

$136.19

$125.52

$121.20

Min.: 1
Mult.: 1

Auxiliary Contacts AUX. SWITCH 1NO+1NC FOR S00 & S0 SCREW

3RH29111HA11
Siemens
1: $33.43
115In Stock

Mfr. Part #
3RH29111HA11

Mouser Part #
982-3RH29111HA11

Siemens

Auxiliary Contacts AUX. SWITCH 1NO+1NC FOR S00 & S0 SCREW

Datasheet

115In Stock

$33.43

$32.60

$28.43

$27.45

View

Min.: 1
Mult.: 1

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

3RH29111HA22
Siemens
1: $54.10
62In Stock

Mfr. Part #
3RH29111HA22

Mouser Part #
982-3RH29111HA22

Siemens

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

Datasheet

62In Stock

$54.10

$53.20

$46.00

$43.20

$41.18

Min.: 1
Mult.: 1

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

3RH29111XA220MA0
Siemens
1: $54.10
65In Stock

Mfr. Part #
3RH29111XA220MA0

Mouser Part #
982-3RH29111XA220MA0

Siemens

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

Datasheet

65In Stock

$54.10

$53.12

$46.00

$45.32

$42.89

Min.: 1
Mult.: 1

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

3RH21221AB00
Siemens
1: $127.41
6In Stock

Mfr. Part #
3RH21221AB00

Mouser Part #
982-3RH21221AB00

Siemens

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

Datasheet

6In Stock

$127.41

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21221AF00
Siemens
1: $129.16
6In Stock

Mfr. Part #
3RH21221AF00

Mouser Part #
982-3RH21221AF00

Siemens

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

Datasheet

6In Stock

$129.16

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21221AP00
Siemens
1: $127.25
6In Stock

Mfr. Part #
3RH21221AP00

Mouser Part #
982-3RH21221AP00

Siemens

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

Datasheet

6In Stock

$127.25

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21221AP60
Siemens
1: $127.41
3In Stock

Mfr. Part #
3RH21221AP60

Mouser Part #
982-3RH21221AP60

Siemens

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

Datasheet

3In Stock

$127.41

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21221BB40
Siemens
1: $146.13
11In Stock

Mfr. Part #
3RH21221BB40

Mouser Part #
982-3RH21221BB40

Siemens

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

Datasheet

11In Stock

$146.13

$131.46

$125.52

$121.20

Min.: 1
Mult.: 1

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

3RH21221BF40
Siemens
1: $146.13
4In Stock

Mfr. Part #
3RH21221BF40

Mouser Part #
982-3RH21221BF40

Siemens

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

Datasheet

4In Stock

$146.13

$131.46

$125.52

$121.20

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 125V SCREw

3RH21221BG40
Siemens
1: $158.88
5In Stock

Mfr. Part #
3RH21221BG40

Mouser Part #
982-3RH21221BG40

Siemens

Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 125V SCREw

Datasheet

5In Stock

$158.88

$145.38

$138.80

$134.03

Min.: 1
Mult.: 1

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

3RH21222BB40
Siemens
1: $146.13
10In Stock

Mfr. Part #
3RH21222BB40

Mouser Part #
982-3RH21222BB40

Siemens

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

Datasheet

10In Stock

$146.13

$131.46

$125.52

$121.20

Min.: 1
Mult.: 1

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

3RH21222HB40
Siemens
1: $146.43
3In Stock

Mfr. Part #
3RH21222HB40

Mouser Part #
982-3RH21222HB40

Siemens

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

Datasheet

3In Stock

$146.43

$131.46

$125.52

$121.20

Min.: 1
Mult.: 1

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

3RH21311AF00
Siemens
1: $128.06
3In Stock

Mfr. Part #
3RH21311AF00

Mouser Part #
982-3RH21311AF00

Siemens

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

Datasheet

3In Stock

$128.06

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21311AK60
Siemens
1: $127.41
7In Stock

Mfr. Part #
3RH21311AK60

Mouser Part #
982-3RH21311AK60

Siemens

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

Datasheet

7In Stock

$127.41

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21311AN20
Siemens
1: $127.22
5In Stock

Mfr. Part #
3RH21311AN20

Mouser Part #
982-3RH21311AN20

Siemens

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

Datasheet

5In Stock

$127.22

$125.35

$121.64

$118.85

View

Min.: 1
Mult.: 1

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

3RH21311AP00
Siemens
1: $127.85
6In Stock

Mfr. Part #
3RH21311AP00

Mouser Part #
982-3RH21311AP00

Siemens

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

Datasheet

6In Stock

$127.85

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21311AP60
Siemens
1: $127.10
4In Stock

Mfr. Part #
3RH21311AP60

Mouser Part #
982-3RH21311AP60

Siemens

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

Datasheet

4In Stock

$127.10

$125.16

$121.64

$118.87

View

Min.: 1
Mult.: 1

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

3RH21311JB40
Siemens
1: $163.92
2In Stock

Mfr. Part #
3RH21311JB40

Mouser Part #
982-3RH21311JB40

Siemens

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

Datasheet

2In Stock

$163.92

$149.64

Min.: 1
Mult.: 1

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

3RH21312AF00
Siemens
1: $127.41
3In Stock

Mfr. Part #
3RH21312AF00

Mouser Part #
982-3RH21312AF00

Siemens

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

Datasheet

3In Stock

$127.41

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1

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

3RH21312JB40
Siemens
1: $166.38
5In Stock

Mfr. Part #
3RH21312JB40

Mouser Part #
982-3RH21312JB40

Siemens

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

Datasheet

5In Stock

$166.38

$151.14

$144.31

$139.34

Min.: 1
Mult.: 1

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW

3RH21401AB00
Siemens
1: $127.41
3In Stock

Mfr. Part #
3RH21401AB00

Mouser Part #
982-3RH21401AB00

Siemens

Contactors - Electromechanical CONTACTOR RELAY 4NO AC 24V SCREW

Datasheet

3In Stock

$127.41

$115.12

$109.92

$106.13

Min.: 1
Mult.: 1