About this item
【High-Amperage Current Delivery】– This 500A power distribution block handles massive electrical currents up to 48V DC or 300V AC without overheating. The nickel-plated copper bus bar minimizes resistance to optimize energy flow from heavy-duty alternators.
【Hybrid Terminal Specifications】– A specialized layout of four M8 and two M10 studs accepts standard and heavy-gauge cable lugs on a single plate. These stainless steel threaded posts secure various wire sizes to prevent terminal crowding.
【Waterproof Environmental Protection】– The sealed junction box housing utilizes rubber grommets to exclude moisture, dust, and debris. This weatherproof distribution enclosure maintains dry electrical contact points during harsh marine operations.
【Customizable Cable Entry】– Removable circular knockout plates facilitate flexible cable entrance from multiple angles. The modular protective cover simplifies wire installation in tight engine bays or battery compartments.
【Universal Vehicle Integration】– This heavy-duty battery terminal block organizes high-current auxiliary wiring in yachts, RVs, and solar systems. The versatile power distribution center enhances system safety by isolating positive or negative connections.
Spec
| Part Number | BB500-T6M8X4M10X2 |
| Max Continuous Amperage | 500 AMP |
| Max Voltage | 48V DC / 300V AC |
| Terminal Studs | 2 x M10 (3/8″) + 4 x M8 (5/16″) |
| Bus Material | Copper |
| Terminals Material | Stainless Steel |
| Base & Cover Material | Nylon |
| Connection Type | Red for Positive (+) / Black for Negative (-) |
| Overall Dimension | 124mm x 86mm x 48mm (LxWxH) |
| Features | Bus Bar Box Design & Removable Rubber Gaskets |









