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SIRIUS 3RF2 Solid-State Relays & Contactors

Siemens SIRIUS 3RF2 Solid-State Relays (SSRs) are suitable for surface mounting on existing cooling surfaces. 3RF2 SSRs, which do not include a heat sink, provide quick and easy mounting with two screws. The capacity reaches up to 88A on resistive loads, depending on the heat sink. The SSRs come in single-phase relays with a width of 22.5mm or 45mm or a three-phase relay with a width of 45mm. Siemens SIRIUS 3RF2 Solid-State Contactors feature an integrated heat sink and are available in a single-phase version with currents up to 70A or a three-phase version with currents up to 50A.

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Part #

Contactors - Solid State SS CONTACTOR,20A,460V,30VDC

3RF23201DA44
Siemens
1: $456.36
1In Stock

Mfr. Part #
3RF23201DA44

Mouser Part #
982-3RF23201DA44

Siemens

Contactors - Solid State SS CONTACTOR,20A,460V,30VDC

Datasheet

1In Stock

$456.36

$406.28

$387.92

Min.: 1
Mult.: 1

Contactors - Solid State 24/230V,22MM SSZP CON,10A,SPRG,110/230V

3RF23102AA22
Siemens
1: $324.27
1In Stock

Mfr. Part #
3RF23102AA22

Mouser Part #
982-3RF23102AA22

Siemens

Contactors - Solid State 24/230V,22MM SSZP CON,10A,SPRG,110/230V

Datasheet

1In Stock

$324.27

$289.74

$275.66

$266.16

Min.: 1
Mult.: 1

Contactors - Solid State SS CONTACTOR,10A,230V,24VDC COIL,RING ZP

3RF23103AA02
Siemens
1: $284.16
5In Stock

Mfr. Part #
3RF23103AA02

Mouser Part #
982-3RF23103AA02

Siemens

Contactors - Solid State SS CONTACTOR,10A,230V,24VDC COIL,RING ZP

Datasheet

5In Stock

$284.16

$253.01

$241.55

$233.24

Min.: 1
Mult.: 1

Contactors - Solid State 24-230V,22MM SSIS CON,40A,SCRW,24VDC

3RF23401BA02
Siemens
1: $362.85
3In Stock

Mfr. Part #
3RF23401BA02

Mouser Part #
982-3RF23401BA02

Siemens

Contactors - Solid State 24-230V,22MM SSIS CON,40A,SCRW,24VDC

Datasheet

3In Stock

$362.85

$323.05

$308.45

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,45MM,20A,230V,110-230VAC,SCW ZP

3RF20201AA22
Siemens
1: $195.54
2In Stock

Mfr. Part #
3RF20201AA22

Mouser Part #
982-3RF20201AA22

Siemens

Solid State Relays - SSRs SS RELAY,45MM,20A,230V,110-230VAC,SCW ZP

Datasheet

2In Stock

$195.54

$179.16

$168.62

$160.55

$155.02

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,45MM,50A,600V,24VDC COIL,SCW ZP

3RF20501AA06
Siemens
1: $295.89
1In Stock

Mfr. Part #
3RF20501AA06

Mouser Part #
982-3RF20501AA06

Siemens

Solid State Relays - SSRs SS RELAY,45MM,50A,600V,24VDC COIL,SCW ZP

Datasheet

1In Stock

$295.89

$263.48

$251.54

$242.88

Min.: 1
Mult.: 1

Contactors - Solid State 24-230V,22MM SSIS CON,30A,SCRW,24VDC

3RF23301BA02
Siemens
1: $316.27
1In Stock

Mfr. Part #
3RF23301BA02

Mouser Part #
982-3RF23301BA02

Siemens

Contactors - Solid State 24-230V,22MM SSIS CON,30A,SCRW,24VDC

Datasheet

1In Stock

$316.27

$282.59

$268.86

$259.57

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,24VDC-C,RING ZP

3RF21501AA06
Siemens
1: $365.85
22In Stock

Mfr. Part #
3RF21501AA06

Mouser Part #
982-3RF21501AA06

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,24VDC-C,RING ZP

Datasheet

22In Stock

$365.85

$325.77

$311.00

$300.31

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,45MM,50A,460V,24VDC COIL,SCW ZP

3RF20501AA04
Siemens
1: $216.91
3In Stock

Mfr. Part #
3RF20501AA04

Mouser Part #
982-3RF20501AA04

Siemens

Solid State Relays - SSRs SS RELAY,45MM,50A,460V,24VDC COIL,SCW ZP

Datasheet

3In Stock

$216.91

$193.13

$184.39

$178.06

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,20A,230V,4-30VDC,SCW CON

3RF21201AA42
Siemens
1: $203.88
3In Stock

Mfr. Part #
3RF21201AA42

Mouser Part #
982-3RF21201AA42

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,20A,230V,4-30VDC,SCW CON

Datasheet

3In Stock

$203.88

$181.51

$173.30

$167.36

Min.: 1
Mult.: 1

Solid State Relays - SSRs 22.5MM,SSR,20A,48-600V,ZRO SCRW 4-30VDC

3RF21201AA45
Siemens
1: $248.49
2In Stock

Mfr. Part #
3RF21201AA45

Mouser Part #
982-3RF21201AA45

Siemens

Solid State Relays - SSRs 22.5MM,SSR,20A,48-600V,ZRO SCRW 4-30VDC

Datasheet

2In Stock

$248.49

$221.24

$211.23

$203.98

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,30A,230V,24VDC-C,RING ZP

3RF21301AA02
Siemens
1: $221.73
3In Stock

Mfr. Part #
3RF21301AA02

Mouser Part #
982-3RF21301AA02

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,30A,230V,24VDC-C,RING ZP

Datasheet

3In Stock

$221.73

$197.42

$188.50

$182.02

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,30A,460V,24VDC-C,RING ZP

3RF21301AA04
Siemens
1: $248.82
2In Stock

Mfr. Part #
3RF21301AA04

Mouser Part #
982-3RF21301AA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,30A,460V,24VDC-C,RING ZP

Datasheet

2In Stock

$248.82

$221.56

$211.52

$204.25

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,30A,48-600V,3P,4-30VDC,ZP,SCREW

3RF22301AC45
Siemens
1: $572.10
4In Stock

Mfr. Part #
3RF22301AC45

Mouser Part #
982-3RF22301AC45

Siemens

Solid State Relays - SSRs SS RELAY,30A,48-600V,3P,4-30VDC,ZP,SCREW

Datasheet

4In Stock

$572.10

$509.30

$486.27

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,55A,48-600V,3P,4-30VDC,ZP,SCREW

3RF22551AB45
Siemens
1: $525.14
4In Stock

Mfr. Part #
3RF22551AB45

Mouser Part #
982-3RF22551AB45

Siemens

Solid State Relays - SSRs SS RELAY,55A,48-600V,3P,4-30VDC,ZP,SCREW

Datasheet

4In Stock

$525.14

$467.51

$446.37

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,55A,48-600V,3P,4-30VDC,ZP,SCREW

3RF22551AC45
Siemens
1: $686.30
2In Stock

Mfr. Part #
3RF22551AC45

Mouser Part #
982-3RF22551AC45

Siemens

Solid State Relays - SSRs SS RELAY,55A,48-600V,3P,4-30VDC,ZP,SCREW

Datasheet

2In Stock

$686.30

$644.41

Min.: 1
Mult.: 1

Contactors - Solid State SS CONTACTOR,10A,230V,24VDC-C,SCW ZP

3RF23101AA02
Siemens
1: $284.16
6In Stock

Mfr. Part #
3RF23101AA02

Mouser Part #
982-3RF23101AA02

Siemens

Contactors - Solid State SS CONTACTOR,10A,230V,24VDC-C,SCW ZP

Datasheet

6In Stock

$284.16

$253.01

$241.55

$233.24

Min.: 1
Mult.: 1

Contactors - Solid State SS CONTACTOR,10A,460V,24VDC COIL,SCW ZP

3RF23101AA04
Siemens
1: $305.80
2In Stock

Mfr. Part #
3RF23101AA04

Mouser Part #
982-3RF23101AA04

Siemens

Contactors - Solid State SS CONTACTOR,10A,460V,24VDC COIL,SCW ZP

Datasheet

2In Stock

$305.80

$272.28

$259.95

$250.99

Min.: 1
Mult.: 1

Contactors - Solid State 20A 460V SSC ZERO W/SCREW, 24VDC COIL

3RF23201AA04
Siemens
1: $317.61
1In Stock

Mfr. Part #
3RF23201AA04

Mouser Part #
982-3RF23201AA04

Siemens

Contactors - Solid State 20A 460V SSC ZERO W/SCREW, 24VDC COIL

Datasheet

1In Stock

$317.61

$283.78

$270.00

$260.68

Min.: 1
Mult.: 1

Contactors - Solid State SS CONTACTOR,20A,600V,4-30VDC,SCREW ZP

3RF23201AA45
Siemens
1: $330.97
5In Stock

Mfr. Part #
3RF23201AA45

Mouser Part #
982-3RF23201AA45

Siemens

Contactors - Solid State SS CONTACTOR,20A,600V,4-30VDC,SCREW ZP

Datasheet

5In Stock

$330.97

$295.72

$281.35

$271.64

Min.: 1
Mult.: 1

Contactors - Solid State 400/600V,22MM,SSZP,CON,20A,SPRG,24VDC

3RF23202AA06
Siemens
1: $405.10
3In Stock

Mfr. Part #
3RF23202AA06

Mouser Part #
982-3RF23202AA06

Siemens

Contactors - Solid State 400/600V,22MM,SSZP,CON,20A,SPRG,24VDC

Datasheet

3In Stock

$405.10

$360.66

$344.36

Min.: 1
Mult.: 1

Contactors - Solid State SEMICONDUCTOR CONTACTOR 3RF2

3RF23301DA44
Siemens
1: $530.52
2In Stock

Mfr. Part #
3RF23301DA44

Mouser Part #
982-3RF23301DA44

Siemens

Contactors - Solid State SEMICONDUCTOR CONTACTOR 3RF2

Datasheet

2In Stock

$530.52

$472.38

$450.99

Min.: 1
Mult.: 1

Contactors - Solid State SS CONTACTOR,50A,600V,4-30VDC,SCREW ZP

3RF23501AA45
Siemens
1: $540.89
3In Stock

Mfr. Part #
3RF23501AA45

Mouser Part #
982-3RF23501AA45

Siemens

Contactors - Solid State SS CONTACTOR,50A,600V,4-30VDC,SCREW ZP

Datasheet

3In Stock

$540.89

$481.61

$459.81

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,30A,48-600V,3P,4-30VDC,ZP,RT

3RF22303AC45
Siemens
1: $572.10
1Expected 2026-05-04

Mfr. Part #
3RF22303AC45

Mouser Part #
982-3RF22303AC45

Siemens

Solid State Relays - SSRs SS RELAY,30A,48-600V,3P,4-30VDC,ZP,RT

Datasheet

1Expected 2026-05-04

$572.10

$509.30

$486.27

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,45MM,20A,230V,24VDC-C,SCREW ZP

3RF20201AA02
Siemens
1: $168.93
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
3RF20201AA02

Mouser Part #
982-3RF20201AA02

Siemens

Solid State Relays - SSRs SS RELAY,45MM,20A,230V,24VDC-C,SCREW ZP

Datasheet

Non-Stocked Lead-Time 4 Weeks

$168.93

$154.79

$145.67

$138.69

$133.91

Min.: 1
Mult.: 1