An automotive micro relay is usually rated as 25 to 30A class. Micro relays are available in make and changeover arrangements for 12 and 24V systems. Part of our plug-in relay portfolio, automotive micro relays are available in a wide range of options, customized and special footprints with or without serial components. Micro relays are widely used in cars, trucks, buses, and heavy-duty vehicles including agriculture vehicles and construction vehicles.