Relays and flasher units provide essential control for switching, power distribution and signalling functions across commercial vehicle electrical systems. Our range includes standard 4- and 5-pin relays, micro relays, changeover relays, heavy-duty high-amperage versions, LED-compatible flasher units and matching relay bases designed for dependable operation in demanding environments. Each component supports installers who need reliable, efficient switching solutions for lighting, auxiliary loads and critical vehicle circuits.
Used throughout vans, HGVs, trailers, plant machinery and specialist vehicles, these components ensure stable operation of indicators, work lights, pumps, fans and other electrically driven systems. Built for long service life, vibration resistance and consistent performance, our relays and flasher units help fleet operators and auto-electrical professionals maintain compliant, robust and safe wiring setups across their vehicle networks.