3/8 inch/250 A 4 bolt busbar busbar power distribution terminal block Features: [Compatibility]: Suitable for RVs, ships, automobiles, trucks, ships, and vehicles. [With cover]: Includes a detachable cover to protect the connection from damage and corrosion. [Maximum voltage]: 48V DC, maximum current: 250 amperes. [Organized]: Distribution blocks can help you organize wiring, connect wiring harnesses together, and store wiring reasonably in vehicles and ships. Specifications: Name: 4-terminal M10 terminal post Material: Metal+plastic Color: Black+Red Maximum voltage: 48V DC Rated current of each stud: 62.5A Rated current of the block: 250A Auxiliary terminal screw current: 20A Product size: 18x4x5cm/7.09x1.57x1.97 inches Packaging includes: 1 set of 4-terminal M10 terminal posts (one in red and one in black)