1、300A DC12V‑48V: The power distribution block is suitable for use in direct current power systems, ensuring stable and efficient working performance. 2、M8 BOLT: Made of nylon, stainless steel and brass, the bus bar is designed for marine environments, resistant to rust and corrosion. 3、COMES WITH A COVER: This 12V‑48V busbar comes with a polycarbonate cover and insulated rubber nuts to cover exposed terminals on the busbar terminal board, preventing accidental electrical shorts. 4、SUITABLE FOR 12V‑48V VEHICLES AND BOATS: Functions as a gathering point for negative wiring harnesses in cars, boats, and yachts, providing a neat and organized solution. 5、APPLICATIONS: This battery junction box utilizes brass plates and stainless steel terminals as conductors, allowing it to function in extreme environments. It is suitable for use in automobiles, cars, boats, ships, and other applications.