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. For more information about solid state relays, please see our comprehensive guide to solid state relays.

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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Viewing 1 - 20 of 2014 products
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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
£9.764
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. 888-6868
BrandRS PRO
£15.02
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 -
RS Stock No. 121-3888
BrandRS PRO
£25.14
Each
Units
- 6 A - DIN Rail - 24 V ac 280 V ac 4 V dc 32 V dc - SP Screw - -
RS Stock No. 922-4996
BrandRS PRO
£20.53
Each
Units
0.2 A 25 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-4999
BrandRS PRO
£20.53
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. 888-6859
BrandRS PRO
£13.938
Each (In a Pack of 5)
Units
1 mA 2 A - DIN Rail - 10 V 30 V 11 V 30 V DC SPNO Screw MOSFET -
RS Stock No. 922-5208
BrandRS PRO
£22.84
Each
Units
0.2 A 25 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw TRIAC -
RS Stock No. 922-5194
BrandRS PRO
£17.40
Each
Units
0.4 A 40 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Random SPNO Screw TRIAC -
RS Stock No. 888-6934
BrandRS PRO
£15.282
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. 121-3896
BrandRS PRO
£38.25
Each
Units
- 30 A - DIN Rail - 48 Vrms 530 Vrms 4 V dc 32 V dc - SP Screw - -
RS Stock No. 121-3892
BrandRS PRO
£34.29
Each
Units
- 20 A - DIN Rail - 48 Vrms 530 Vrms 4 V dc 32 V dc - SP Screw - -
RS Stock No. 922-5211
BrandRS PRO
£17.40
Each
Units
0.1 A 10 A rms - Panel Mount - 24 V ac 280 V ac 90 V ac 280 V ac Zero Cross SPNO Screw TRIAC -
RS Stock No. 888-6950
BrandRS PRO
£0.158
Each (In a Pack of 120)
Units
- - - - - - - - - - - - - -
RS Stock No. 922-5201
BrandRS PRO
£17.40
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. 121-3889
BrandRS PRO
£36.43
Each
Units
- 20 A - DIN Rail - 48 Vrms 530 Vrms 90 V ac 280 V ac - SP Screw - -
RS Stock No. 888-6940
BrandRS PRO
£24.88
1 Bag of 10
Bag(s)
- 6 A - - - - - - - - - Plug In - -
RS Stock No. 888-6956
BrandRS PRO
£0.042
Each (In a Pack of 200)
Units
- - - - - - - - - - - - - -
RS Stock No. 121-3885
BrandRS PRO
£28.93
Each
Units
- 6 A - DIN Rail - 1 V dc 60 V dc 4 V dc 32 V dc - SP Screw - -
RS Stock No. 922-4987
BrandRS PRO
£20.00
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 Thyristor -
RS Stock No. 888-6938
BrandRS PRO
£15.634
Each (In a Pack of 5)
Units
1 mA 3 A - DIN Rail - 10 V 30 V 110 V 230 V DC SPNO Push In MOSFET -