This heavy-duty 500A DC contactor relay is engineered for demanding automotive electrical applications. The 4-pin design features a robust 2-pole configuration that can handle surge currents up to 500A, making it ideal for high-power vehicle systems. Standing 80mm tall with a compact footprint, this black relay provides reliable On/Off control while taking up minimal space. The precision-engineered contacts ensure consistent performance under load, while the durable construction withstands the rigors of automotive environments. Perfect for power distribution, battery isolation, and other high-current switching needs, this contactor includes a secure mounting bracket for stable installation. The versatile design accommodates various wiring configurations, with clearly marked terminals for straightforward setup. Whether you're building a custom electrical system or upgrading existing components, this contactor delivers the robust switching capability needed for automotive power management.