Best Switches Relays Deals Online in the UK (24 Deals Found)

Last Updated - 23/09/2026 Sort By:

Best Choice
TIANXUAN

New
12V Fuse Automotive Relay Switch Harness Set Gebildet 30A Ato Atc Blade Fuse 4 Pin Spst Automotive Electrical Relays wit
Upgraded Design with Built-in Fuse: Includes 30A ATO/ATC blade fuse integrated into the 12v relay socket, eliminating th

£7.99
Best Value
Weasch

New
Weasch 2 Pack Fuse Relay Switch Kit, 12V 30A, 4 Pin SPST, 30A Switch Harness Set, Automotive Electrical Relays with 14 A
Rated voltage 12VDC (14V Max), 30A High Switching Capability

£9.04 £9.99
New
Classic Car Headlight Relay Kit - Brighter Headlights - Switch Protection
Split PET braided sheathing for abrasion protection.

£46.50
Hailege

New
Hailege 2pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.

£6.49
New
5 x Subminiature PCB 12V Signal Relay DPDT
The relay has a fully sealed construction and maximum switching capacity of 125VAC / 60W.

£8.99
Gebildet

New
Gebildet 3pcs 12V Fuse Relay Switch 12 AWG Harness Set with Built-in Diode- 30A ATO/ATC Blade Fuse, 4-Pin SPST Automotiv
Upgraded Version - Automotive relays built in fuse socket with included 30A blade fuse, no need of a separate fuse holde

£11.99
SONOFF

New
SONOFF Smart WiFi Light Switch 10A 2400W, Wireless Relay Switch Universal DIY Module for Smart Home Automation, Works wi
【Smart WiFi Switch BASICR4】SONOFF Smart WiFi Light Switch BASICR4 is a smart switch which support APP remote control, Sm

£5.99
New
12V 4 Pin Car Relay With Socket Base/Wires/Fuse 30A Amp SPST Pre-wired Sockets
💪30A Capacity – Suitable for a range of automotive accessory applications.

£7.54
Hoembpn

New
Hoembpn 5 Pcs 3V Relay Module Power Switch Board 1 Channel Optocoupler Isolation Drive Control Board (High Level Trigger
Optocoupler Isolation: The DC 3-3.3V 1-channel relay power switch module adopts the EL817 optocoupler isolation design,

£10.49
New
Fits Fiat Ducato Peugeot Boxer Citroen Relay Indicator Stalk Switch 735756483
(Fits Fiat Ducato Peugeot Boxer Citroen Relay Indicator Stalk Switch 735756483)'sCompatibility is a guide only.

£306.24
Gebildet

New
Gebildet Automotive Relays for Car Truck Motor Boat Car Starter - 12V DC 100 Amp Split Charge Relay Switch with 2 Pin Fo
【Continuous Relay】 You can use it as a continuous relay. If the relay operates for 5 hours continuously, it's best to st

£10.99
Hailege

New
Hailege 2pcs 12V 1 Channel Relay Module Relay Switch With Optocoupler Isolation Support High or Low Level Trigger
Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A

£6.49
New
9038a Relay Bypass Switch Relay Tester, Relay Bypass Switch Kit 6 Pack
6 Relay Bypass Switchs.

£17.99
SONOFF

New
SONOFF Wi-Fi Smart Switch 10A 2400W, Smart Relay Switch Works With Alexa/Google Home Assistant, Remote Control & Schedul
【MINIR4 Wi-Fi Smart Switch】 SONOFF MINIR4 is a wifi switch which comes with the remote control /voice control/ smart sch

£9.60
New
12V 30A Fuse Relay SPST 5Pin Switch Harness Set 16 AWG Wires 6 Pack Automotive
Max Switching Current: 30A.

£16.61
elechawk

New
RC Remote Controlled AUX on/Off Electronic Switch Relay for Car Truck Boat LED Light Drone (4A)
Package include a RC switch and a JST to futaba/JR adapter. This RC switch can be connected to receiver AUX channel or o

£6.99
New
2Pcs JD-2912 4Pin DC 36V 40A Universal Car Fuse Relay Switch Power with Harness
Specification:Pin Number: 4Material: Plastic, MetalColor: Multicolor Current: 40AVoltage: DC 36VWire Length: 12.5cm / 4.

£8.94
New
6 Pack 30A 12V Fuse Relay SPST 5 Pin Switch Harness Set 16 AWG Automotive Wires
Max Switching Current: 30A.

£14.09
New
6-30V Relay Module Switch Trigger Time Delay Circuit Timer Cycle Adjustable
(Trigger Signal Source: High Level Trigger (3.0 V-24 V), signal ground and system ground are not common, which can incre

£2.59
New
JD2912 5 Pins DC 48V 40A Universal Car Vehicle Motor Fuse Relay Switch Power
Specification:Pin Number: 5Material: Plastic, MetalColor: BlackVoltage: DC 48VCurrent: 40ADimension: 2.8x2.8x3.6cm / 1.1

£11.49
New
Fits Fiat Ducato Peugeot Boxer Citroen Relay Door Mirror Window Switch Panel ...
Fits Fiat Ducato, Peugeot Boxer And Citroen Relay (2008-2011).

£145.64
New
2 PCS Car Relay 12V 40A, 5 Pin Coil, Automotive Relay Contactor Switch
Automotive changeover relay with 5-pins suitable for general purpose automotive uses and with a 40A switching capability

£13.99
15% Off

New
Current Switch 8-35V 0-50A DC Current Monitoring Relay Normally Open/Close D360
What is this?The DC current sensing switch uses the principle of mutual induction to sense AC, isolate DC current, and o

£22.77 £26.79
New
Universal Piece of 5 Vehicle Motor Fuse Relay Switch Power DC 12V 80A 5 Pin
Specification:Pin Number: 5Material: Plastic, MetalColor: BlackVoltage: DC 12VCurrent: 80ADimension: 2.7x2.7x2.5cm / 1.0

£8.54

24 Switches Relays deals are available from: Amazon, eBay stores, starting from £2.59.
The biggest discount we found is 15% on Current Switch 8-35V 0-50A DC Current Monitoring Relay Normally Open/Close D360 at eBay.
The lowest price we found is £2.59 while the highest is £306.24.
Prices for the best Switches Relays deals average at £29.92.
Last updated on September 23, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Switches Relays.