This high-capacity waterproof automotive relay is engineered to handle demanding electrical loads up to 100A, making it an essential component for heavy-duty automotive control applications. Compatible with both 12V and 24V DC systems, this SPDT relay offers versatile switching configurations including 1 form A, 1 form B, 1 form C, and 2 form A contact arrangements to suit various circuit requirements. The waterproof construction ensures reliable operation even in harsh conditions, while the robust design withstands extreme temperatures ranging from -40°F to 257°F (-40°C to 125°C). Measuring approximately 1.10" x 1.10" x 0.98", this compact relay features a convenient tri-clamp connection with socket mount installation for secure and straightforward setup in your vehicle's electrical system. The transparent housing allows for visual inspection of the internal components, including the copper coil and switching mechanism, with an integrated LED indicator for operational status. Whether you're upgrading your vehicle's electrical system or replacing a worn relay, this automotive control relay delivers dependable performance for controlling high-current circuits in cars, trucks, and other automotive applications.