Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16"(M8)+2*3/8"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive

500A Heavy Duty: The 12V Bus Bar rated 500A, besides, this power bus bar junction block can work with MAX 48V DC & 300V AC. Each power busbar will come with a protect cover and nuts, which helps to shelter as much exposed area as possible to reduce the risks of accidental contact and prevent short circuit, makes the circuit safer

Upgrade & Thicken: A pair of 12v power distribution block, includes a red and a black power distribution block(Positive&Negative). Our 12v 500 amp bus bar also features Thicker Copper Bus Bar Plate which can be connected to wider range of cables

3/8" & 5/16" Studs: The Power Distribution Block Bus Bar with 2 x 3/8" (M10) and 4 x 5/16"(M8) stud posts, which makes the 12V terminal block be able to accept 4/0 Gauge wires and terminals. The size of the terminal can be selected, which is more convenient

Waterproof: The 500 amp copper battery bus bar comes with waterproof rings, which can act as a sealing function, so it makes your wiring more secure and reliable. This set of red and black busbar also comes with removable plates, it let the wires&terminals go through very easy and prevent short circuit

Wide Application - The 500A Heavy Duty Power Distribution Block makes the wiring of circuit become neat and tidy and prevent electric short circuit, suitable for automotive, car, truck, marine, boat, RV, Solar, etc.