Engineered for demanding automotive electrical systems, the KV4 Series Auto Relay delivers reliable 40A switching performance. This high-quality component is certified to the stringent IATF16949 automotive quality management standard, ensuring robust construction and consistent operation. It is suitable for 12V and 24V vehicle applications and comes complete with a matching socket for straightforward installation. With a rated current of 30A, this relay provides a dependable solution for controlling auxiliary lights, fans, horns, or other medium-power accessories. Its new condition guarantees optimal performance and longevity right out of the box. The inclusion of the socket simplifies the wiring process, making it a practical upgrade or replacement part. Offering solid performance at a competitive price, this relay set is a smart choice for DIY enthusiasts and professional installers seeking a certified, ready-to-use component for their automotive electrical projects.