Relays are electronic components which operate like a switch, controlling circuits with low power signals or several circuits controlled by one signal. There are many different kinds of relays, for use with a wide range of applications and power management capacities. Browse Rapid’s comprehensive range of automotive relays, PCB relays, PhotoMOS relays, plug-in power, reed relays, signal and telecoms relays and solid state relays. All in-stock relays from IMO, Finder, Matsushita and Omron are despatched the same day.