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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 #

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

3RF21503AA06
Siemens
1: $347.90
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
3RF21503AA06

Mouser Part #
982-3RF21503AA06

Siemens

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

Datasheet

Non-Stocked Lead-Time 3 Weeks

$347.90

$337.03

$334.84

$331.72

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,RING ZP

3RF21503AA22
Siemens
1: $247.88
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21503AA22

Mouser Part #
982-3RF21503AA22

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,50A,230V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$247.88

$237.89

$234.66

$229.46

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230VAC,RING ZP

3RF21503AA24
Siemens
1: $283.52
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21503AA24

Mouser Part #
982-3RF21503AA24

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,50A,460V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$283.52

$272.04

$268.34

$262.38

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230VAC,RING ZP

3RF21503AA26
Siemens
1: $378.13
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21503AA26

Mouser Part #
982-3RF21503AA26

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,50A,600V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$378.13

$359.99

$353.58

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,24VDC-C,RING ZP

3RF21701AA02
Siemens
1: $264.79
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
3RF21701AA02

Mouser Part #
982-3RF21701AA02

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 3 Weeks

$264.79

$254.09

$250.65

$245.07

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VDC-C,RING ZP

3RF21701AA04
Siemens
1: $290.82
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21701AA04

Mouser Part #
982-3RF21701AA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$290.82

$277.00

$272.35

$266.30

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2

3RF21701AA050KN0
Siemens
1: $382.56
Non-Stocked Lead-Time 2 Weeks
New At Mouser

Mfr. Part #
3RF21701AA050KN0

Mouser Part #
982-3RF21701AA050KN0

New At Mouser

Siemens

Solid State Relays - SSRs SEMICONDUCTOR RELAY 3RF2

Datasheet

Non-Stocked Lead-Time 2 Weeks

$382.56

$340.59

$325.17

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,24VDC-C,RING ZP

3RF21701AA06
Siemens
1: $342.98
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
3RF21701AA06

Mouser Part #
982-3RF21701AA06

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 6 Weeks

$342.98

$320.14

$314.06

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,230VAC,RING ZP

3RF21701AA22
Siemens
1: $297.24
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21701AA22

Mouser Part #
982-3RF21701AA22

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,230V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$297.24

$285.19

$281.32

$275.05

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,230VAC,RING ZP

3RF21701AA24
Siemens
1: $319.68
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21701AA24

Mouser Part #
982-3RF21701AA24

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$319.68

$304.24

$300.07

$295.75

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,230VAC,RING ZP

3RF21701AA26
Siemens
1: $396.52
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21701AA26

Mouser Part #
982-3RF21701AA26

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,600V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$396.52

$377.47

$370.74

Min.: 1
Mult.: 1

Solid State Relays - SSRs 22.5MM,SSR,70A,48-600V,ZRO SCRW 4-30VDC

3RF21701AA45
Siemens
1: $303.02
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
3RF21701AA45

Mouser Part #
982-3RF21701AA45

Siemens

Solid State Relays - SSRs 22.5MM,SSR,70A,48-600V,ZRO SCRW 4-30VDC

Datasheet

Non-Stocked Lead-Time 3 Weeks

$303.02

$282.69

$263.59

$257.33

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24 V DC,SCW

3RF21701BA04
Siemens
1: $285.42
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21701BA04

Mouser Part #
982-3RF21701BA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24 V DC,SCW

Datasheet

Non-Stocked Lead-Time 2 Weeks

$285.42

$278.60

$276.81

$272.25

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VAC,SCREW

3RF21701CA04
Siemens
1: $346.85
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21701CA04

Mouser Part #
982-3RF21701CA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,70A,460V,24VAC,SCREW

Datasheet

Non-Stocked Lead-Time 2 Weeks

$346.85

$335.76

$333.58

$330.39

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC-C,RING ZP

3RF21901AA02
Siemens
1: $323.78
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901AA02

Mouser Part #
982-3RF21901AA02

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$323.78

$306.40

$301.20

$296.41

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP

3RF21901AA04
Siemens
1: $324.65
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
3RF21901AA04

Mouser Part #
982-3RF21901AA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 3 Weeks

$324.65

$308.97

$304.73

$300.34

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,24VDC-C,RING ZP

3RF21901AA06
Siemens
1: $383.04
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901AA06

Mouser Part #
982-3RF21901AA06

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$383.04

$364.67

$358.17

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,230VAC,RING ZP

3RF21901AA22
Siemens
1: $352.50
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901AA22

Mouser Part #
982-3RF21901AA22

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$352.50

$333.75

$327.04

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,230VAC,RING ZP

3RF21901AA24
Siemens
1: $361.24
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901AA24

Mouser Part #
982-3RF21901AA24

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$361.24

$342.00

$335.13

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,230VAC,RING ZP

3RF21901AA26
Siemens
1: $420.67
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901AA26

Mouser Part #
982-3RF21901AA26

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,230VAC,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$420.67

$400.75

$395.32

Min.: 1
Mult.: 1

Solid State Relays - SSRs 22.5MM,SSR,90A,48-600V,ZRO SCRW 4-30VDC

3RF21901AA45
Siemens
1: $349.89
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901AA45

Mouser Part #
982-3RF21901AA45

Siemens

Solid State Relays - SSRs 22.5MM,SSR,90A,48-600V,ZRO SCRW 4-30VDC

Datasheet

Non-Stocked Lead-Time 2 Weeks

$349.89

$333.14

$327.23

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP

3RF21901BA04
Siemens
1: $323.55
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21901BA04

Mouser Part #
982-3RF21901BA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC-C,RING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$323.55

$313.49

$311.44

$308.49

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC,SPRING ZP

3RF21902AA02
Siemens
1: $331.86
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21902AA02

Mouser Part #
982-3RF21902AA02

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,230V,24VDC,SPRING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$331.86

$321.51

$319.44

$316.44

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC,SPRING ZP

3RF21902AA04
Siemens
1: $340.80
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21902AA04

Mouser Part #
982-3RF21902AA04

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,460V,24VDC,SPRING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$340.80

$324.33

$319.87

$315.26

View

Min.: 1
Mult.: 1

Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,24VDC,SPRING ZP

3RF21902AA06
Siemens
1: $401.34
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
3RF21902AA06

Mouser Part #
982-3RF21902AA06

Siemens

Solid State Relays - SSRs SS RELAY,22.5MM,90A,600V,24VDC,SPRING ZP

Datasheet

Non-Stocked Lead-Time 2 Weeks

$401.34

$388.87

$384.58

Min.: 1
Mult.: 1