Solid State Relays

The main advantages of solid state relays over conventional electro-mechanical relays is that they have no moving parts to wear out, and therefore no contact bounce issues. SSRs are able to switch both “ON” and “OFF” much faster than a mechanical relays armature can move, as well as zero voltage turn-on and zero current turn-off eliminating electrical noise and transients.
Solid state relays are available in a range of package options, ranging from just a few volts or amperes to many hundreds of volts and amperes of output switching capability. A small input voltage, typically 3 to 32 volts DC, can be used to control a much large output voltage or current.

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Description Price Minimum Load Current Maximum Load Current Range Mounting Type Series Minimum Load Voltage Maximum Load Voltage Minimum Control Voltage Maximum Control Voltage Switching Type Contact Configuration Terminal Type Output Device Package Style
RS Stock No. 467-4740
Mfr. Part No.3RF2310-1AA02
BrandSiemens
$102.32
Each
units
0.1 A 10.5 A Sirius Classic DIN Rail - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 472-8948
Mfr. Part No.3RF2130-1AA02
BrandSiemens
$56.90
Each
units
0.5 A 30 A - Panel Mount - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 472-8954
Mfr. Part No.3RF2020-1AA02
BrandSiemens
$55.13
Each
units
0.1 A 20 A - Panel Mount - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 612-9006
Mfr. Part No.3RF2255-1AC45
BrandSiemens
$296.89
Each
units
0.5 A 55 A - Panel Mount - 48 V 600 V 4 V dc 30 V dc Zero Crossing 3P-NO Screw Thyristor -
RS Stock No. 472-8976
Mfr. Part No.3RF2020-1AA04
BrandSiemens
$61.94
Each
units
0.1 A 20 A - Panel Mount - 230 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 467-4762
Mfr. Part No.3RF2320-1AA02
BrandSiemens
$167.86
Each
units
0.5 A 20 A Sirius Classic DIN Rail - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 472-9036
Mfr. Part No.3RF2120-1AA04
BrandSiemens
$60.39
Each
units
0.1 A 20 A - Panel Mount - 230 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 467-4835
Mfr. Part No.3RF2340-1AA04
BrandSiemens
$132.67
Each
units
0.5 A 40 A Sirius Classic DIN Rail - 48 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 612-9040
Mfr. Part No.3RF2440-1AC45
BrandSiemens
$348.66
Each
units
0.5 A 40 A - Panel Mount - 48 V 600 V 4 V dc 30 V dc Zero Crossing 3P-NO Screw Thyristor -
RS Stock No. 612-9012
Mfr. Part No.3RF2410-1AC45
BrandSiemens
$277.67
Each
units
0.1 A 10.5 A - DIN Rail - 48 V 600 V 4 V dc 30 V dc Zero Crossing 3P-NO Screw Thyristor -
RS Stock No. 472-9042
Mfr. Part No.3RF2120-1AA02
BrandSiemens
$58.71
Each
units
0.1 A 20 A - Panel Mount - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 758-6911
Mfr. Part No.3RF2320-1AA22
BrandSiemens
$111.10
Each
units
2 mA 20 A Sirius Classic DIN Rail - 24 V ac 230 V ac 110 V ac 230 V ac Zero Crossing SPNO Screw - -
RS Stock No. 758-6914
Mfr. Part No.3RF2320-1AA24
BrandSiemens
$119.90
Each
units
500 mA 20 A Sirius Classic DIN Rail - 48 V ac 460 V ac 110 V ac 230 V ac Zero Crossing SPNO Screw - -
RS Stock No. 612-9028
Mfr. Part No.3RF2420-1AC45
BrandSiemens
$308.69
Each
units
0.5 A 20 A - DIN Rail - 48 V 600 V 4 V dc 30 V dc Zero Crossing 3P-NO Screw Thyristor -
RS Stock No. 467-4807
Mfr. Part No.3RF2320-1AA04
BrandSiemens
$84.25
Each
units
0.5 A 20 A Sirius Classic DIN Rail - 48 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 467-4891
Mfr. Part No.3RF2340-1AA02
BrandSiemens
$122.18
Each
units
0.5 A 40 A Sirius Classic DIN Rail - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 518-7540
Mfr. Part No.3RF2320-1BA02
BrandSiemens
$88.67
Each
units
0.5 A 20 A Sirius Classic DIN Rail - 24 V ac 230 V ac 15 V dc 24 V dc Instantaneous SPNO Screw Thyristor -
RS Stock No. 612-9056
Mfr. Part No.3RF2450-1AC45
BrandSiemens
$449.01
Each
units
0.5 A 50 A - DIN Rail - 48 V 600 V 4 V dc 30 V dc Zero Crossing 3P-NO Screw Thyristor -
RS Stock No. 472-8998
Mfr. Part No.3RF2070-1AA02
BrandSiemens
$86.18
Each
units
0.5 A 70 A - Panel Mount - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 472-9272
Mfr. Part No.3RF2130-1AA04
BrandSiemens
$67.66
Each
units
0.5 A 30 A - Panel Mount - 230 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -