Unique design: The 4 x M8 battery clamp base has a non-slip sponge, and the empty label area on the top can easily mark any branch. The single rated current of the 4 main bolts is 50 A, and the rated current of the entire electric block is 200 A; The current of the auxiliary terminal screw is 20A. The maximum voltage is 48 V DC Easy installation: Zip terminal block surface mounting with screws, four mounting holes facilitate the installation of this terminal block in any direction. Comes with four removable sidewalls for unobstructed access Cabling and an insulated rear cover to keep small amounts of rain and dust out Ideal for automotive, solar and marine applications: connecting blocks busbar it is suitable for power supply systems such as motorhomes, solar panels, cars, trucks, yachts.