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BetyBedy 12V Bus Bar, 4x 5/16"(M8) Studs Power Distribution Block, Screws Terminal Block, 250A Marine Copper Battery Busbar for Boat, Automotive and Solar Wiring
With 4 x 5/16" stud terminals and 3x #8 (M4) screw terminals, our 12V junction block is versatile for various connectors and wires, allowing for straightforward multi-device connections.
The M8-studded insulated nylon base firmly secures your terminal block, which makes it more fixed and won't strip. Nickel plated brass made contact plate provide minimal resistance, maximum conductivity.
Distribution Block Details Display
5/16" (M8) Distribution Block
The 12V battery terminal block, featuring 4x M8 (5/16") stud terminals and 3x M4 (#8) screw terminals, is engineered to handle max 250A current.
M4 (#8) Screw Terminal Design
The 12V bus bar is furnished with M4 terminal screws, allowing you to easily insert the wire into the ring terminal and fasten it onto the block.
Nylon Protection Cover & Nut
Distribution block is equipped with cover and 2 nuts, shielding exposed contact areas to minimize the chances of short circuits or accidental contact.
Heavy-duty Construction
The M8-studded insulated nylon base firmly secures your terminal block, which makes it more fixed and won't strip.
Ideal for various applications, including automotive, marine, boat, and solar panel systems, ensuring a clean and efficient power setup.
Galka
Reviewed in the United States on March 8, 2025
The BetyBedy 12V Bus Bar feels fine and has plated contacts and parts to prevent corrosion. The plastic is a little thin. It's probably fine for 250A when it's not sustained for too long. There are no compliance labels or claims, so use at your own risk!
Christopher Balko
Reviewed in the United States on February 25, 2025
Made my litho conversion on my EzGo TXT so much easier.
Customer
Reviewed in the United States on February 25, 2025
These worked great for my application
Roberto
Reviewed in the United States on January 3, 2025
Good bus var that also includes small attachment points for smaller gauge wires. I used this for my solar /inverter setup and it has worked pretty good. 5 stars a beefy bus bar that has held up to some serious juice. 5 stars
Randall P
Reviewed in the United States on December 6, 2024
Really exactly what I wanted. Inexpensive and well built. Could have been a bit more solid, especially the base, but really can't complain for the price. Would recommend. I do wish I could come off of the end with a cable instead of just the sides. Not possible with the caps, which could be stronger. Overall, a good choice unless you spend at least double the money.
stephen Lynch
Reviewed in the United States on December 10, 2024
These are going in My boat in the spring.Pretty solid base, and the 5/16" terminals make me feel a lot better than the #10 studs that came with My Hookup kit. These are made from a plastic which almost feels like a High Density Polyethylene, though I don't see any markings to indicate whether or not I'm right. I tested a solvent in an inconspicuous area on the bottom, and It had no effect on the plastic. This is Why I suspect it's HDPE.This is good, because it means the block is fuel, oil and solvent resistant. Perfect for marine applications where this will undoubtedly encounter all of the above.They have one job! Tie up to 4 primary, and 3 secondary power cables together so they share a common bond. That's it!These do exactly that, and nothing more. By the way, see My pictures.. These are a lot bigger than you probably think they are!No need to over glorify the product. It's a good choice given the price, it's utility value, and it's quality of construction.
Reviews
Reviewed in the United States on October 30, 2024
These bus bars are big and very sturdy. The plastic covers are thick enough to not easily crack. I like the fact that the openings in the cover are big enough to fit larger lugs. Terminal posts have lock washers, bolts tighten down solid and should not loosen over time. The mounting screws are about 1/4 diameter but short. So good grip even if you are needing to mount on a thinner material such as fiberglass on your boat.The box they shipped them in is even pretty sturdy… nice box for random small parts in the shop….These are being used to tie in my solar/wind/generator to my batteries and inverter at my off grid cabin. The posts are plenty long enough that I can even double up connectors if I needed to. Having the smaller M4 terminals is a nice bonus for any potential smaller needs down the road.My only complaint is that the description said “copper” bus. These are nickel plated brass. Which if you read the description it does state so I did not expect copper, but if someone does not read the description it can be misleading. I am also a little concerned by the thinness of the bus plate. They might be enough for 250amps, but if you are planning on seeing that kind of amperage consistently it might be a concern long term.For the price they are a heck of a deal and 5* because of that.
Don G.
Reviewed in the United States on October 24, 2024
This is a review of BetyBedy store's "BetyBedy 12V Bus Bar, 4X 5/16"(M8) Studs Power Distribution Block, Screws Terminal Block, 250A Marine Copper Battery Busbar for Boat, Automotive and Solar Wiring".I plan to use this set of bus bars in my 12-volt battery box for off-grid power. Even though I read the dimensions on the bars before I got them, I was still surprised at their size. Fortunately, my battery box is easily going to be large enough to accommodate them.The M8 nuts with lock washers on the posts will not allow my connectors to loosen up as long as they're snugly tightened down. And, I appreciate having the protective caps with the openings big enough to fit my copper "U" connections to the bars' large posts.It's nice having the much smaller (M4) post connectors, but I don't think I'll have much use for them.The product listing title states "..., 250A Marine Copper Battery Busbar for Boat, Automotive and Solar Wiring". I don't know why they're stating its copper. It is not. An image annotation indicates the plates are nickel-coated brass. I would like to see this bus bar improved by having all copper so that the electrical transmission is more electrically efficient.
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