This TN686 heavy duty automotive relay is engineered to handle high current loads with exceptional reliability. Rated at 12V and 200A, this power start relay is built to control demanding electrical systems in vehicles, including starter motors, winches, and other high-amperage applications. The robust RL/280-12 construction features durable copper terminals that ensure secure connections and minimize power loss during operation. With clearly marked pin configurations (3086 and 8587), installation is straightforward for both professional mechanics and DIY enthusiasts. The compact black housing includes a convenient mounting bracket for flexible placement within your vehicle's electrical system. Built to withstand extreme operating conditions, this relay delivers consistent performance even under heavy loads. The solid-state design reduces maintenance requirements while extending service life. Whether you're upgrading your vehicle's electrical system or replacing a worn component, this high current relay provides the dependable switching capability needed for critical automotive applications.