Features: 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. Specification: Item Type: Power Distribution Block Busbar_x000D_ Material: ABS, zinc alloy, brass, nylon_x000D_ Maximum Voltage: 48V DC_x000D_ Rated Current of Each Stud: 62.5A_x000D_ Rated Current of Whole Block: 250A_x000D_ Auxiliary Terminal Screw Current: 20A_x000D_ Function: The wiring harness is gathered together to reasonably store the wiring inside the vehicle and ship_x000D_ Fitment: Power systems for cars, saloons, ships, yachts, etc