TTI IP&E Europe is now stocking Omron’s G9KC series of high-power PCB relays. The 480 VAC, 40 A relay’s four-pole structure can replace larger multipole contactors and three or four single-pole relays for three-phase (three or four-wire) power supply models, contributing to a smaller and lighter charging station design while saving labour costs and improving quality.
TTI Europe’s director industry marketing transportation, Dermot Byrne, said: “Higher charging currents accelerate charging speeds, but the heat generated by the switching devices contributes to an excessive temperature rise within the wall box.
“The low contact resistance of Omron’s G9KC PCB relays helps prevent parts within the charging station from overheating, which could cause a temporary charging power limitation. This capability creates new potential for EV charger designers to develop systems that charge faster and more efficiently, with greater reliability and predicted lifetime.”