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. 467-4863
Mfr. Part No.3RF2320-1AA06
BrandSiemens
TWD2,710.00
Each
units
0.5 A 20 A Sirius Classic DIN Rail - 48 V 600 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 467-4778
Mfr. Part No.3RF2330-1AA02
BrandSiemens
TWD2,196.00
Each
units
0.5 A 30 A Sirius Classic DIN Rail - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 612-9028
Mfr. Part No.3RF2420-1AC45
BrandSiemens
TWD6,343.00
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. 472-9250
Mfr. Part No.3RF2170-1AA04
BrandSiemens
TWD1,867.00
Each
units
0.5 A 70 A - Panel Mount - 230 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 472-9020
Mfr. Part No.3RF2030-1AA02
BrandSiemens
TWD1,342.00
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. 472-9036
Mfr. Part No.3RF2120-1AA04
BrandSiemens
TWD1,408.00
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. 518-7708
Mfr. Part No.3RF2330-1BA04
BrandSiemens
TWD2,403.00
Each
units
0.5 A 30 A Sirius Classic DIN Rail - 48 V ac 460 V ac 15 V dc 24 V dc Instantaneous SPNO Screw Thyristor -
RS Stock No. 518-7714
Mfr. Part No.3RF2320-1BA06
BrandSiemens
TWD2,731.00
Each
units
0.5 A 20 A Sirius Classic DIN Rail - 48 V ac 600 V ac 15 V dc 24 V dc Instantaneous SPNO Screw Thyristor -
RS Stock No. 758-6918
Mfr. Part No.3RF3403-1BD04
BrandSiemens
TWD6,650.00
Each
units
2 mA 3.8 A Sirius Innovation DIN Rail - 48 V ac 480 V ac 15 V dc 30 V dc Instantaneous 3P-2NO Screw - -
RS Stock No. 472-9137
Mfr. Part No.3RF2030-1AA04
BrandSiemens
TWD1,527.00
Each
units
0.5 A 30 A - Panel Mount - 230 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 472-9042
Mfr. Part No.3RF2120-1AA02
BrandSiemens
TWD1,240.00
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. 472-8960
Mfr. Part No.3RF2150-1AA02
BrandSiemens
TWD1,445.00
Each
units
0.5 A 50 A - Panel Mount - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 612-9040
Mfr. Part No.3RF2440-1AC45
BrandSiemens
TWD8,132.00
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. 467-4734
Mfr. Part No.3RF2310-1AA04
BrandSiemens
TWD2,227.00
Each
units
0.1 A 10.5 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
TWD2,703.00
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. 467-4879
Mfr. Part No.3RF2330-1AA06
BrandSiemens
TWD2,974.00
Each
units
0.5 A 30 A Sirius Classic DIN Rail - 48 V 600 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 518-7540
Mfr. Part No.3RF2320-1BA02
BrandSiemens
TWD2,064.00
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. 472-9109
Mfr. Part No.3RF2050-1AA02
BrandSiemens
TWD1,456.00
Each
units
0.5 A 50 A - Panel Mount - 24 V 230 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -
RS Stock No. 518-7528
Mfr. Part No.3RF2310-1BA04
BrandSiemens
TWD2,117.00
Each
units
0.1 A 10.5 A Sirius Classic DIN Rail - 48 V ac 460 V ac 15 V dc 24 V dc Instantaneous SPNO Screw Thyristor -
RS Stock No. 467-4829
Mfr. Part No.3RF2330-1AA04
BrandSiemens
TWD2,527.00
Each
units
0.5 A 30 A Sirius Classic DIN Rail - 48 V 460 V 15 V dc 24 V dc Zero Crossing SPNO Screw Thyristor -