Feature: 1. Wide Applications: Power distribution blocks are widely used in 12‑48V automotive and marine wiring, trucks, RVs, boats, trailers and other industrial equipment. 2. Wire Splitter: Includes red and black 4 post distribution blocks for positive and negative terminal blocks with 5/16in holes, neatly organizes your wiring without clutter. 3. Important Parameters: The maximum voltage is 48V DC; the rated current of each stud is 62.5A; the rated current of the entire electric block is 250A; the current of the auxiliary terminal screw is 20A. 4. Premium Material: The busbars are made of zinc alloy and brass with good electrical conductivity. The insulating nylon base is flame retardant. 5. Protection Cap: Each busbar includes a cover that is waterproof and dustproof, protecting the connections from damage and wear. Specification: Item Type: Power Distribution Block Material: ABS, Zinc Alloy, Brass, Nylon Maximum Voltage: 48V DC Current Rating Per Stud: 62.5A Rated Current Of The Whole Electric Block: 250A Auxiliary Terminal Screw Current: 20A Function: Bring the wiring harness together to reasonably store the wiring inside the vehicle and boat Scope Of Application: In the power system of automobiles, RVs, ships, yachts, etc.. Package List: 1 x Red Power Distribution Block (with Cover and 2 Nuts)1 x Black Power Distribution Block (with Cover and 2 Nuts)