This is a heavy-duty, waterproof relay kit perfect for automotive, marine, or off-road projects. The relay itself is a 5-pin SPDT (Single Pole Double Throw) type. It's rated for 40 amps on the normally open circuit and 30 amps on the normally closed circuit at 12V DC. It has a minimum operating voltage of 8V and a max of 15.6V. The kit includes a pre-wired harness with thick, tin-plated copper wires (12 and 16 AWG) color-coded for easy installation: Black (pin 85), White (86), Red (30), Yellow (87a), Blue (87). The relay is sealed with a sturdy cover and a gasket, making it waterproof, dustproof, and moisture-proof – it can handle tough weather. The package includes 5 relays with harnesses, 5 heat-shrink connectors, a fixing screw, and a manual. A reliable, universal replacement or upgrade for various 12V electrical systems.
