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Bypass relay way - (interface), 7
£22.88
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Lunatone dali rm8 - rm8,
£52.70
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Towing bypass interface - towing,
£29.95
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Pro 888 6837 - rs,
£54.99
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Universal pct automotive - pct,
£40.00
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Teb7as way smart chip - teb7as, 7
£19.63
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Slim interface relay - slim,
£6.84
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Multiplex interface relay - multiplex,
£59.99
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Interface solutions 12v - solutions,
£5.40
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Relay module interface boards - module,
£11.57
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Towbar towing interface way - towbar, 7
£24.98
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Cbe interface relay this - relay,
£54.95
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Towing interface relay - interface,
£37.95
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Towbar towing interface - 7, way
£29.98
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Dold ik8701 interface relay - ik8701.12,
£67.94
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Phoenix contact interface - contact,
£40.00
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Finder 240 0060 din - 38.51.0.240.0060,
£24.99
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Finder 024 0050 24v dc - 24v,
£11.32
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Motorhome way bypass - 7,
£28.95
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Single pole interface din rail - interface,
£15.89
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Abb interface relay module - relay,
£12.94
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Teb7as way smart chip - teb7as, 7
£29.99
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Gent output interface mains - gent,
£26.70
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Towbar towing interface way - 7,
£29.98
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Multiplex interface relay - multiplex,
£89.50
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Dri 240 volt - volt, interface
£5.95
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Universal zr2500 logicon - zr2500,
£36.99
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Skoda way bypass - skoda, pct
£28.95
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Wago 859 304 - 859-304, 24v
£14.48
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Phoenix contact rif - phoenix,
£12.94
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20pcs hf41f relay slim - hf41f,
£86.99
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Videojet wolke 8510 - videojet, m600
£140.25
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Smart way bypass relay - smart,
£28.95
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Dfsk way bypass - 7,
£28.95
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Volkswagen way bypass - way,
£28.95
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Pct logicon towing interface - pct,
£40.60
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Universal pct automotive - universal,
£26.70
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Universal way bypass relay - universal, 7
£28.95
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Rv8h ad220 din mount 220v - din,
£20.09
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Fireclass 568 800 034 hvr800 - fireclass,
£77.30
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Modbus rtu channel - modbus, rs485
£87.58
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Interface relay module - interface,
£59.99
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Interface relay spdt 16a 115v - interface,
£3.85
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Geya channel plc interface - channel,
£25.99
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Phoenix contact din rail - contact,
£15.60
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Finder miniature interface - miniature,
£9.00
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Aico ei128r pattress with - ei128r,
£12.99
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Ldv way bypass - 7, pct
£28.95
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Peugeot way bypass relay - way, pct
£28.95
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Mercedes way bypass relay - 7,
£28.95
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Abb solid state - solid,
£10.80
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Universal pct automotive - pct,
£36.99
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M5stack mini relay - 3a, module
£10.56
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220v 12v low trigger - dc,
£6.06
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Finder series interface - series,
£14.49
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Volvo way bypass - 7, pct
£28.95
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Honeywell co74 galaxy way - galaxy,
£10.80
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Fiat way bypass relay - 7,
£28.95
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Din rail interface relay - interface,
£19.29
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Vauxhall way bypass relay - 7,
£28.95
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Dri 240 vac spdt interface - dri,
£5.25
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Way bypass relay - bypass,
£28.95
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Citroen way bypass - citroen,
£28.95
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Daihatsu way bypass relay - 7,
£28.95
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For canbus multiplex - multiplex, wiring
£24.98
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Universal towbar towing - universal,
£29.98
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Universal pct automotive - universal,
£36.99
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Smart way bypass relay - way,
£29.90
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Seat way bypass - 7,
£28.95
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12v relay module interface - 5v/12v,
£17.84
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Relay interface mains - interface,,
£25.66
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Relpol interface relay for din - relay,
£40.00
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Din rail interface - rail,
£19.39
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Phoenix contact emg - phoenix,
£15.00
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Mini way bypass relay - way, pct
£28.95
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Interface relay module - relay,
£10.00
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Gent 34415 output - s4-34415,
£75.00
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Connectivity snr series - 1, x
£11.87
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Interface power signal relay - interface/power/signal,
£21.50
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Gent 34415 output interface - gent,
£83.90
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Unbranded relay interface - 4,
£10.00
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Ford way bypass relay - way,
£28.95
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Wago 859 304 - wago, interface
£13.75
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Abb interface relay module - abb,
£15.83
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Leyland way bypass - 7, relay
£28.95
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Dacia way bypass relay - bypass,
£28.95
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Schneider electric harmony - 3,
£37.10
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Tyco 568 800 033 rim800 - tyco,
£26.70
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Finder series interface - finder,
£17.00
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Pro interface relay - rs,
£19.36
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Weidmuller trz series 24v - trz, series,
£10.80
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Finder 024 0050 - finder, 38.51.7.024.0050
£12.99
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Caravan towbar towing - caravan,
£29.98
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Jaguar way bypass relay pct - bypass,
£28.95
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Ground loop control relay - ground,
£73.50
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Eberle koppelfeld 12 - kf,
£98.56
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Looking for more interface relay?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 interface relay listings currently in our index. Prices range from £3.85 to £140.25, with an average of £31.33. 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 interface relay →
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Whether you are looking for a brand-new or second-hand interface relay, eBay offers one of the largest selections available online. With 96 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 £3.85, while premium listings can reach £140.25 — giving you a wide budget spread to work with. The average price of £31.33 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.