12v relays
12v relays for sale on Ireland's largest auction and classifieds sites
12v 40a pin - 12v, 4 - £3.85
Working current 40a • Jd1912 automotive relay • Number pins pin - Free postage - New and Used
Working current 40a • Jd1912 automotive relay • Number pins pin - Free postage - New and Used
Pack 5pcs 12v automotive - pack, of - £12.68
30a blade fuse • Automotive fused spno • Protect circuit includes - Free postage - New and Used
30a blade fuse • Automotive fused spno • Protect circuit includes - Free postage - New and Used
12v automotive normally close - automotive, - £5.44
Its normally close • Work like switch • Relay pieces connectors - Free postage - New and Used
Its normally close • Work like switch • Relay pieces connectors - Free postage - New and Used
Pin 40a car - car, relay - £4.06
Working current 40a • Relay styles are • Optional electrical life - Free postage - New and Used
Working current 40a • Relay styles are • Optional electrical life - Free postage - New and Used
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High quality micro relay - high, - £2.89
Relay holders bases • Premium quality automotive • Cable clip information - Free postage - New and Used
Relay holders bases • Premium quality automotive • Cable clip information - Free postage - New and Used
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48 listings · from £0.99 · avg £13.28
⚠️ These listings were last updated more than 15 days ago.
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Browse 48 12v relays listings currently in our index. Prices range from £0.99 to £269.99, with an average of £13.28. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 12v relays →
12v relay pin - 12v, 30amp - £6.99
Automotive relay switching • Lights etc car • Bike van they - Free postage - New and Used
Automotive relay switching • Lights etc car • Bike van they - Free postage - New and Used
12v automotive changeover - 12v, - £10.49
Relay features plastic • Mounting bracket has • Compact sealed construction - Free postage - New and Used
Relay features plastic • Mounting bracket has • Compact sealed construction - Free postage - New and Used
Pin 12v 120a - 4, relay - £4.10
Actual delivery time • About business days - Free postage - New and Used
Actual delivery time • About business days - Free postage - New and Used
2pcs set 12v - 12v, automotive - £6.52
30a blade fuse • Automotive fused spno • Protect circuit includes - Free postage - New and Used
30a blade fuse • Automotive fused spno • Protect circuit includes - Free postage - New and Used
12v 24v miniature power - 12v, - £5.69
Maximum switching current • 15a coil power • 0.36w - Free postage - New and Used
Maximum switching current • 15a coil power • 0.36w - Free postage - New and Used
12v automotive off fused - 12v, - £6.59
30a blade fuse • Automotive fused spno • Protect circuit includes - Free postage - New and Used
30a blade fuse • Automotive fused spno • Protect circuit includes - Free postage - New and Used
12v relay pin 30a - 12v, 5 - £6.99
Automotive relay switching • Lights etc car • Bike van see - Free postage - New and Used
Automotive relay switching • Lights etc car • Bike van see - Free postage - New and Used
12v 24v relay module with - 5v/12v/24v, - £6.49
Channel relay module • Optocoupler 12v 24v • Arduino raspberry power - Free postage - New and Used
Channel relay module • Optocoupler 12v 24v • Arduino raspberry power - Free postage - New and Used
12v 30a fuse - 12v, relay - £12.99
Max switching current • 30a automotive car • Wire gauge awg - Free postage - New and Used
Max switching current • 30a automotive car • Wire gauge awg - Free postage - New and Used
Interface solutions 12v - interface, - £6.52
Interface solutions volt • Polarised relay - Free postage - New and Used
Interface solutions volt • Polarised relay - Free postage - New and Used
2pcs 12v 40a pin car - 2pcs, auto - £8.98
Pins pin excellent • Sealed performance - Free postage - New and Used
Pins pin excellent • Sealed performance - Free postage - New and Used
12v 24v 220vac - 12v, pin - £4.85
Model my2nj pins • Complete wiring base • Which can din - Free postage - New and Used
Model my2nj pins • Complete wiring base • Which can din - Free postage - New and Used
Automotive relay 12v 40amp - automotive, - £4.49
12v 40amp pin • Relay holders bases • High quality automotive - Free postage - New and Used
12v 40amp pin • Relay holders bases • High quality automotive - Free postage - New and Used
Universal car relay pin 12v - universal, 4 - £9.40
10pcs set car • Relay application electric • Cooling fans shaved - Free postage - New and Used
10pcs set car • Relay application electric • Cooling fans shaved - Free postage - New and Used
Mini power relays 9v - power, 6v - £2.85
Mini pcb mounted • Single pole changeover • Relays - Free postage - New and Used
Mini pcb mounted • Single pole changeover • Relays - Free postage - New and Used
12v 40a pin relay - relay, universal - £5.95
12v 30a pin • Relay universal car • Boat bike rally - Free postage - New and Used
12v 30a pin • Relay universal car • Boat bike rally - Free postage - New and Used
12v 24v 4 - 5v, channel - £9.45
Low level trigger • Normally open relay • Outputs com common - Free postage - New and Used
Low level trigger • Normally open relay • Outputs com common - Free postage - New and Used
Automotive relay 12v 200a - automotive, - £4.58
Actual delivery time • About business days - Free postage - New and Used
Actual delivery time • About business days - Free postage - New and Used
12v led flasher relay pin - led, - £6.99
- Free postage - New and Used
- Free postage - New and Used
Genuine bosch 0332019150 - bosch, - £7.29
Bosch part ref • 0332019150 relay open • Circuit rest makes - Free postage - New and Used
Bosch part ref • 0332019150 relay open • Circuit rest makes - Free postage - New and Used
12v micro automotive - micro, - £8.39
Maximum switching current • 35a spdt relay • Compact sealed construction - Free postage - New and Used
Maximum switching current • 35a spdt relay • Compact sealed construction - Free postage - New and Used
Mini power relays 12v 24v - 12v, - £2.55
Mini pcb mounted • Single pole changeover • Relays - Free postage - New and Used
Mini pcb mounted • Single pole changeover • Relays - Free postage - New and Used
12v 100 amp pin split - dc, - £8.41
Safe efficient internal • Use pure copper • Coil conductive performance - Free postage - New and Used
Safe efficient internal • Use pure copper • Coil conductive performance - Free postage - New and Used
12v automotive on off - x, - £12.39
30a blade fuse • Automotive spno relay • Protect circuit includes - Free postage - New and Used
30a blade fuse • Automotive spno relay • Protect circuit includes - Free postage - New and Used
12v 47w pin - pin, electronic - £8.99
12v 47w electronic • Flasher unit automotive • Relay classic cars - Free postage - New and Used
12v 47w electronic • Flasher unit automotive • Relay classic cars - Free postage - New and Used
12v automotive changeover - 5, - £14.69
Relay features plastic • Mounting bracket has • Compact sealed construction - Free postage - New and Used
Relay features plastic • Mounting bracket has • Compact sealed construction - Free postage - New and Used
12v micro automotive - 12v, - £12.59
Maximum switching current • 35a spdt relays • Compact sealed construction - Free postage - New and Used
Maximum switching current • 35a spdt relays • Compact sealed construction - Free postage - New and Used
High power miniature - high, relay - £0.99
Max switching • General purpose subminiature • High power relay - Free postage - New and Used
Max switching • General purpose subminiature • High power relay - Free postage - New and Used
Durite 726 12v volt 20a - durite, - £14.99
Durite 726 mini • Relay fitted 20a • Blade fuse make - Free postage - New and Used
Durite 726 mini • Relay fitted 20a • Blade fuse make - Free postage - New and Used
12v 40a pin relay universal - 12v, 4 - £4.41
Working current 40a • Copper overcurrent protection • Red - Free postage - New and Used
Working current 40a • Copper overcurrent protection • Red - Free postage - New and Used
High quality 12v pin - high, - £6.99
12v pin 30a • Fused relay • Detachable bracket high - Free postage - New and Used
12v pin 30a • Fused relay • Detachable bracket high - Free postage - New and Used
12v micro automotive - micro, - £10.49
Spdt micro relays • Compact sealed construction • Protect from water - Free postage - New and Used
Spdt micro relays • Compact sealed construction • Protect from water - Free postage - New and Used
12v micro automotive - 2, x - £8.99
Maximum switching current • 35a spdt relay • Compact sealed construction - Free postage - New and Used
Maximum switching current • 35a spdt relay • Compact sealed construction - Free postage - New and Used
12v automotive changeover - 12v, - £10.49
Maximum switching current • 40a excellent shock • Vibration resistance sealed - Free postage - New and Used
Maximum switching current • 40a excellent shock • Vibration resistance sealed - Free postage - New and Used
12v spdt mini automotive - 5, - £12.59
Includes relay sockets • Excellent shock vibration • Resistance coil power - Free postage - New and Used
Includes relay sockets • Excellent shock vibration • Resistance coil power - Free postage - New and Used
12v pin led indicator - 12v, - £8.99
Pin led flasher • Unit replaces need • Load resistors not - Free postage - New and Used
Pin led flasher • Unit replaces need • Load resistors not - Free postage - New and Used
12v automotive changeover - 2, - £8.39
Automotive changeover relay • Has pins suitable • Uses 40a switching - Free postage - New and Used
Automotive changeover relay • Has pins suitable • Uses 40a switching - Free postage - New and Used
Arduino pi channel - pi, - £269.99
Normally open interface • Relay suspended before • Suction short connected - Free postage - New and Used
Normally open interface • Relay suspended before • Suction short connected - Free postage - New and Used
Omron g2r pcb power relays - omron, - £4.85
Omron g2r pcb • Mounted double pole • Changeover relays - Free postage - New and Used
Omron g2r pcb • Mounted double pole • Changeover relays - Free postage - New and Used
Finder 12v relay - finder, - £4.02
Finder 12v relay • Miniature spdt 10a • Single pole changeover - Free postage - New and Used
Finder 12v relay • Miniature spdt 10a • Single pole changeover - Free postage - New and Used
5pcs 12v automotive changeover - 5pcs, - £10.99
40a switching current • Socket type car • Electromagnetic relay applicable - Free postage - New and Used
40a switching current • Socket type car • Electromagnetic relay applicable - Free postage - New and Used
12v 40a pin - 4-pin, automotive - £14.99
High 40a coil • Capacity effortlessly handles • Current applications whether - Free postage - New and Used
High 40a coil • Capacity effortlessly handles • Current applications whether - Free postage - New and Used
Ecu control unit relay - relay, 30 - £9.99
Health beauty vehicle • Parts accessories upto • Products ltd unit - Free postage - New and Used
Health beauty vehicle • Parts accessories upto • Products ltd unit - Free postage - New and Used
Try this: 13 4x100 wheels | 13 alloy wheels | 13 alloys | 13 tyres | 1300 vtx | 130i | 14 4x100 wheels | 14 seater minibus | 1400 gtr | 15 4x100 wheels
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Everything you need to know about 12v relays
Whether you are looking for a brand-new or second-hand 12v relays, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £0.99, while premium listings can reach £269.99 — giving you a wide budget spread to work with. The average price of £13.28 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.