The JD1912 Automotive Relay is a high-capacity 5-pin SPDT switching relay designed for demanding vehicle electrical applications. Rated at 12V and capable of handling up to 100A, this relay delivers reliable performance for a wide range of automotive uses, including lighting systems, motors, and other high-draw accessories. Its sealed, waterproof construction protects the internal components from moisture, dust, and debris, making it well-suited for use in challenging under-hood environments. The transparent housing allows for easy visual inspection of the internal electromagnetic components, while the sturdy metal mounting bracket provides convenient and secure installation. Compatible with both 12V and 24V DC electrical systems, this relay offers versatile compatibility across a variety of vehicles and equipment. The SPDT configuration gives you flexible circuit control options, and the durable electromagnetic design ensures consistent, long-lasting switching performance. Whether you're upgrading your vehicle's electrical system or replacing a faulty relay, this high-capacity unit is built to handle the job with dependable precision.