The TN686 Automotive Power Relay is a heavy-duty electrical component engineered for demanding vehicle starting applications. Rated for 12V DC and capable of handling up to 200 amperes, this robust relay is specifically designed for reliable engine ignition in cars and trucks. The relay features durable contacts constructed to manage extreme electrical loads, making it ideal for motor starter switching applications. Its solid black housing provides protection against harsh automotive environments, while the copper terminals ensure excellent conductivity. The unit's compact design includes clear terminal markings (30, 85, 86, 87) for straightforward installation. This high-performance relay delivers consistent switching operation under heavy current conditions, making it an essential component for automotive electrical systems. Perfect for both commercial trucks and passenger vehicles, this starting relay provides the dependable performance needed for critical ignition operations. The relay's robust construction and high current capacity make it suitable for continuous use in challenging automotive applications.