Marine bus bar junction block 12V, sold in pairs including one positive bus bar (red) and one negative bus bar (black). This bus bar terminal block features a unique round corner base design, offering a distinct and refined appearance compared to standard bus bars. The marine power distribution block supports a maximum voltage of 300V AC and 48V DC, with a continuous current rating of up to 130A AC and 150A DC. The cover allows 180-degree wire lug installation, accommodating various terminal connection methods. Each 12V battery bus bar includes four M8 (5/16 inch) terminal studs and six M4 screw terminals. The package contains two power bus bars: one positive and one ground (negative) bus bar. The ground bus bar is constructed with copper plates and stainless steel terminals, providing reliable conductivity and durability in harsh environments. Suitable for automotive, marine, boat, and similar applications. Color: Black + Red Material: Nylon + Copper Size: 150 x 28 x 35mm Package Contents: 2 x Bus Bar Box Boards 4 x Screws Note: Light and display differences may cause slight variations in color between the image and actual item. Measurement may vary by +/- 1-3cm.