4 Pack 5 Pin Electrical Switch Relays for Automotive Car Truck Marine Boat 12V 30/40 Amp (12V Relay with Iron Plate)

Keep your vehicle's electrical system running smoothly with this 4-pack of 5-pin switch relays, engineered for 12V DC automotive, truck, marine, and boat applications. Each relay is rated at 30/40 amps and 480 watts, delivering ample switching capacity for horns, headlights, fuel pumps, cooling fans, and other 12V accessories. The brass contacts provide durable conductivity and consistent performance under load, while the normally open contact type ensures reliable automatic operation. The plug-in connector design makes installation and replacement fast and straightforward, integrating seamlessly into existing wiring harnesses without the need for specialized tools. A secure screw mount option adds extra stability in demanding environments such as engine bays, boats, and trailers. Each relay features clearly labeled pins (85, 86, 87, 30) for easy identification and proper wiring. With a maximum switching current of 40 amps and a coil voltage of 12V DC, these relays are a dependable choice for a wide range of automotive and marine electrical upgrades or repairs. Four relays are included per order, giving you spares on hand whenever you need them.

• 5-PIN RELAY DESIGN: Features a standard 5-pin plug-in connector layout with labeled terminals (85, 86, 87, 30) for straightforward wiring in any 12V electrical system.
• 12V / 40 AMP RATED: Each relay operates on a 12V DC coil voltage and supports a maximum switching current of 40 amps, delivering up to 480 watts of power capacity per relay.
• BRASS CONTACTS FOR DURABILITY: Built with brass contact material and a normally open configuration, ensuring reliable conductivity and consistent performance under heavy electrical loads.
• WIDE COMPATIBILITY: Suitable for automotive, truck, marine, and boat applications, making these relays ideal for controlling horns, lights, fuel pumps, and other 12V accessories.
• PACK OF 4: Includes four identical switch relays, providing convenient spares or enough units to handle multiple circuits in a single installation project.