The WM686 Universal Relay is a heavy-duty DC relay designed for high-current automotive, marine, and off-grid power applications. Available in both 100A and 200A ratings, this relay handles demanding electrical loads with ease, making it an ideal choice for battery ON/OFF switching and split charge relay setups. Compatible with both 12V and 24V DC systems, it offers broad versatility across a wide range of vehicles and power configurations. The 4-pin normally open design simplifies installation, whether you're using it as a car starter relay or a general-purpose disconnect switch. Built with a robust electromagnetic relay mechanism, it ensures stable and safe operation under low-voltage DC conditions. The high-power contact load capacity allows it to withstand frequent switching cycles and tough operating environments. A convenient mounting bracket with a bolt hole makes securing the relay quick and straightforward. Whether you're upgrading your vehicle's electrical system or building a custom power setup, this universal relay delivers the reliability and performance you need.