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The DaierTek Power Distribution Block is a robust 300A, 12V bus bar featuring six 5/16" threaded terminals with a durable tin-plated copper core and protective polycarbonate cover. Designed for secure, flexible wiring in automotive, marine, truck, and solar applications, it supports up to 48V DC and 300V AC, combining compact size with industrial-grade reliability.












| Asin | B0D4YJVGCQ |
| Best Sellers Rank | #34,904 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #34 in Ground Circuit Terminal Blocks |
| Brand Name | DAIERTEK |
| Color | 300A |
| Connector Type | Screw |
| Current Rating | 300 A |
| Customer Reviews | 4.7 4.7 out of 5 stars (71) 4.7 out of 5 stars |
| Item Dimensions W X H | 6.49"W x 1.51"H |
| Manufacturer | DaierTek |
| Material Type | Nylon, Polycarbonate (PC) |
| Model | BB300-T6M8-C-RB |
| Mounting Type | PCB Mount |
| Number Of Contacts | 6 |
| Number Of Poles | 6 |
| Number Of Positions | 6 |
| Part Number | 1 |
| Pitch | 0.31 inches |
| Specification Met | True |
| Voltage | 12 volts |
| Warranty Description | 1 Year Manufacturer |
User
Well made I think.
I haven't used these yet but they do seem like they're good quality.
User
Worked Great
Good quality. They had enough room between between bolts to accommodate a 1/0 wire lug when other brands did not.
User
Bus bar
The studs can come loose on the ends. Make sure you flip it over and tighten with Allen wrench before installing and locking in wires on studs. Well built overall.
User
Very good
Works like it said, happy with this
User
Works great for my LifePo4 batteries
No issues to speak of. I used to aggregate my two(2) LifePo4 batteries together in my toy hauler using 2/0 AWG wire. So far, so good!
User
Solid block and seems well built
This is a solid block, it's got enough heft to it I can trust it's not made of inferior materials. The cover doesn't feel like an afterthought and I like that it stays put without having to use screws.The value is good for the price paid. I wouldn't hesitate to buy another if I needed it.
User
Auxiliaries for batteries terminals
After I built my brackets and put my auxiliary battery in my truck it works fine but the red one the tray if you call it is a little loose and I can't figure out how to tighten it I tried to take all the bolts out but I can't seem to get it apart to tighten it
User
Bus Bar
These are very well made bus bars. The nuts are self locking and does not require a self locking washers. Also, the way they are made, you can clock the wire about any directions and are not restricted by the top cover.
Trustpilot
3 days ago
2 months ago