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. 888-6843
BrandRS PRO
SGD20.952
Each (In a Pack of 5)
units
1 mA 0.5 A - DIN Rail - 10 V 60 V 11 V 30 V DC SPNO Screw MOSFET -
RS Stock No. 922-5087
BrandRS PRO
SGD98.31
Each
units
0.4 A 90 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-4993
BrandRS PRO
SGD57.27
Each
units
0.4 A 50 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 888-6956
BrandRS PRO
SGD0.09
Each (In a Pack of 200)
units
- - - - - - - - - - - - - -
RS Stock No. 922-5132
BrandRS PRO
SGD233.27
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross 3P-NO Screw Thyristor -
RS Stock No. 922-5144
BrandRS PRO
SGD240.28
Each
units
0.4 A 45 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross 3P-NO Screw Thyristor -
RS Stock No. 121-3891
BrandRS PRO
SGD75.09
Each
units
- 20 A - DIN Rail - 48 Vrms 530 Vrms 4 V dc 32 V dc - SP Screw - -
RS Stock No. 922-5065
BrandRS PRO
SGD95.44
Each
units
0.4 A 90 A rms - Panel Mount - 48 V ac 480 V ac 3 V dc 32 V dc Random SPNO Screw Thyristor -
RS Stock No. 922-5201
BrandRS PRO
SGD37.33
Each
units
0.4 A 40 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw TRIAC -
RS Stock No. 922-5163
BrandRS PRO
SGD283.97
Each
units
0.2 A 25 A rms - Panel Mount - 24 V ac 660 V ac 3 V dc 32 V dc Zero Cross 3P-NO Screw Thyristor -
RS Stock No. 922-5110
BrandRS PRO
SGD98.31
Each
units
0.4 A 50 A rms - Panel Mount - 24 V ac 660 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-5084
BrandRS PRO
SGD98.31
Each
units
0.4 A 75 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-5069
BrandRS PRO
SGD64.56
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 121-3885
BrandRS PRO
SGD62.09
Each
units
- 6 A - DIN Rail - 1 V dc 60 V dc 4 V dc 32 V dc - SP Screw - -
RS Stock No. 922-4999
BrandRS PRO
SGD40.78
Each
units
0.4 A 45 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 888-6928
BrandRS PRO
SGD31.076
Each (In a Pack of 5)
units
1 mA 2 A - DIN Rail - 10 V 60 V 11 V 30 V DC SPNO Push In MOSFET -
RS Stock No. 888-6934
BrandRS PRO
SGD32.792
Each (In a Pack of 5)
units
1 mA 5 A - DIN Rail - 10 V 30 V 11 V 30 V DC SPNO Push In MOSFET -
RS Stock No. 922-5198
BrandRS PRO
SGD48.05
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw TRIAC -
RS Stock No. 922-5214
BrandRS PRO
SGD37.75
Each
units
0.2 A 25 A rms - Panel Mount - 24 V ac 280 V ac 90 V ac 280 V ac Random SPNO Screw TRIAC -
RS Stock No. 888-6868
BrandRS PRO
SGD32.23
Each (In a Pack of 5)
units
1 mA 5 A - DIN Rail - 10 V 30 V 11 V 30 V DC SPNO Screw MOSFET -