The TN686 automotive relay is a high-performance power starting relay engineered for demanding 12V DC applications up to 200A. This heavy-duty relay excels in automotive and truck starting systems where reliable, high-current switching is essential. Built with robust construction and durable contacts, it delivers consistent performance in challenging vehicle environments. The relay features a compact design with clear terminal markings (30, 85, 86, 87) for proper installation. Its specialized RL/280-12 design ensures dependable engine ignition performance while handling the intense current demands of modern vehicle starting systems. Perfect for trucks, heavy equipment, and industrial motors where standard relays won't suffice, this unit maintains reliable operation under extreme conditions. The copper contacts and heavy-duty construction provide excellent conductivity and heat dissipation, while the sealed housing protects internal components. This relay is an ideal choice for both OEM replacement and custom vehicle electrical systems requiring robust power management.