The TN686 automotive starting relay is a high-performance power component designed for heavy-duty vehicle applications. This robust 12V relay, model RL/280-12, delivers reliable switching for demanding truck and car starting systems. Built to handle substantial current loads, it's engineered specifically for automotive environments where consistent performance is crucial. The relay features heavy-duty contacts and durable construction to manage the high inrush currents typical in vehicle starting applications. Its compact design allows for straightforward installation in various vehicle configurations, making it an ideal replacement part for trucks and cars requiring dependable starting system components. The relay's specifications ensure compatibility with standard 12V vehicle electrical systems, while its rugged housing protects internal components from typical under-hood conditions. Perfect for professional mechanics and fleet maintenance teams looking for a reliable starting relay solution for heavy-duty applications.