1. The fuse box is equipped with a negative busbar and a moisture-proof cover. All busbars and fuse clips are made of nickel-plated copper, which is corrosion-resistant and has good electrical conductivity. 2. This 4-circuit blade fuse box is widely used in cars, boats, and is suitable for all marine, RV, automotive, and racing applications. 3. The marine fuse block is made of PBT flame retardant, high and low temperature resistant environmentally friendly materials, which have high mechanical strength and are not easy to cause breakage, deformation, burning, and short circuits. 4. The capacity of the marine fuse box is 100A, which meets the application environment of most fuse boxes. 5. Voltage: 32V