1、Function: 4 post power distribution block have connection points for both positive and negative wiring terminals with 5/16in stud, can organize your wiring. 2、Premium Material: Busbar box is made of ABS, zinc alloy, brass and nylon material, flame retardant, rustproof, high strength, sturdy and durable. 3、Excellent Performance: Professional manufacturing, exquisite workmanship, good electrical conductivity, stable performance and high reliability. 4、Protective Cover: Power distribution block busbar with a cover to protect connections from damage and corrosion, has a long service time. 5、Standard: Maximum amplifier per circuit is determined by the connected wires. Maximum working voltage is DC 48V, up to 250 Amps. 6、Wide Applications: Battery junction block can be used in 12‑48V auto and marine, trucks, RVs, boats, trailers and other, has a wide range of application. Item Type: Power Distribution Block Busbar Material: ABS, zinc alloy, brass, nylonMaximum Voltage: 48V DC Rated Current of Each Stud: 62.5A Rated Current of Whole Block: 250A Auxiliary Terminal Screw Current: 20AFunction: The wiring harness is gathered together to reasonably store the wiring inside the vehicle and ship Fitment: Power systems for cars, saloons, ships, yachts, etc 1 x Power Distribution Block Busbar(with Cover and 2pcs Nut)