Upgrade your vehicle’s electrical system with our High Capacity Fuse and Relay Box, engineered for maximum efficiency and safety. This dynamic component simplifies and enhances your auto’s functionality, providing reliable performance across various applications. • High Capacity Fuse and Relay Box Equipped with advanced specifications, our relay fuse box includes five 5-pin JD1914 12V 40A relays, one 4-pin RTT7121 12V 40A relay, and six ATC/ATO blade fuses in increments from 5A to 30A. This extensive capacity supports a wide range of electrical components in your vehicle. • Safe and Waterproofing Constructed from high-grade ABS heatproof materials, this relay fuse box ensures unparalleled safety. Its design features top and bottom covers for effective waterproofing, with pre-wired access through cable cut holes to protect against splashes and dust, ensuring longevity and reliability. • High Performance The fuse box's flame-retardant housing and robust structure offer excellent anti-tamper performance. Precision-engineered slots with protective covers secure each component, delivering elevated performance in all conditions. • Excellent Pre-Wired System Pre-installed with all necessary wiring, this relay fuse box eliminates the need for additional terminal and wire harness installations. Simply connect directly to your vehicle using the numbered wire markers for a straightforward and convenient setup. Enjoy a seamless installation process that saves time and effort. • Special Mounting Legs Designed with high and low support legs, it fits snugly in angled engine compartments or trunk areas. For flat surfaces, you can add rubber pads to adjust the relays. This versatile 12V relay box is suitable for various vehicles, including trucks, trailers, and boats. Choose our High Capacity Fuse and Relay Box for its robust construction and user-friendly design, ensuring optimal performance and safety for your vehicle’s electrical system. Ideal for diverse applications, this essential upgrade provides peace of mind and exceptional reliability.