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๐ Connect smarter, power stronger โ the proโs choice for seamless circuits!
The Blue Sea Systems 2508 Terminal Block is an 8-circuit, 30 Amp rated connector designed for AC/DC applications up to 600V. Featuring a closed back design for full insulation and isolated screw pairs for individual circuits, it offers safe, modular wiring solutions. Compatible with jumpers for common circuit creation, itโs UL certified and highly rated by professionals for durability and ease of use.





| ASIN | B000K2IK3M |
| Best Sellers Rank | #13,260 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Ground Circuit Terminal Blocks |
| Brand Name | Blue Sea Systems |
| Color | Black |
| Connector Type | Screw |
| Current Rating | 30 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (539) |
| Global Trade Identification Number | 00632085025083 |
| Included Components | Blue Sea 2508 Terminal Block 30AMP - 8 Circuit |
| Item Type Name | Blue Sea 2508 Terminal Block 30AMP - 8 Circuit |
| Item Weight | 0.05 Kilograms |
| Manufacturer | Blue Sea Systems |
| Material Type | Plastic |
| Model | 2508 |
| Mounting Type | Surface Mount |
| Number Of Contacts | 16 |
| Number Of Poles | 8 |
| Number of Positions | 16 |
| Part Number | 2508-BSS |
| Specification Met | UL |
| UPC | 632085025083 |
| Unit Count | 1.0 Count |
| Voltage | 600 Volts |
| Warranty Description | Warranty |
H**S
Good quality as expected from them
Great construction and they work
T**M
Nice junction for powered items.
Used to create a junction block at my waste tank for when I remove the sending unit (instead of hard wired) this makes removal much faster and easier. Make sure you order the right size (amp, or screw size). Most of the complaints are because somebody ordered a 10 screw size for number 8 connectors (won't work). Sure there are better items but this works for its intended purpose and have no issues.
A**F
Blue Sea builds nice stuff!
You end up spending a little more for a Blue Sea product but they almost always offer a high quality part you won't have to worry about. This terminal block is made from a better-than-most plastic that doesn't split or crack when fastening it down. The terminal screws hold and don't strip out easily. It's amazing how fast the cost of a wiring project can balloon out of control but using quality parts will provide a safer system than running generic "unknown" parts.
C**T
it does exactly what you expect it to do.
I use a lot of blue sea products, not had any issues yet...
J**.
value
oik
F**L
Good
Good
M**P
Why so many Mounting Holes?
It is a nice, robust, sturdy terminal block. I purchased the 30A configuration. I gave it 4 stars rather than 5 because each side has 3 closely spaced mounting holes. Seems like overkill, and I was a little concerned the thin sidewalls separately the holes might crack. I fabricated rectangular "washers" that allowed me to use only the center holes on each side, and it greatly increases surface area to ensure there is no cracking.
L**R
Perfect for the job
My husband has been helping with the remodel at our church. He needed this terminal block, but he doesnโt like to shop, so he was glad I could order one for him.
T**!
B**Z
Excelente bloque de terminales
R**R
Fast delivery. Very well made. Quality noticeable when installing and connecting the terminals
A**R
This is a good product and used before. BUT the vendor in India shipped a local brand worth probably 20% of the cost. Giving one star will skew the original product rating and hence gave 5 stars. Otherwise the vendor and my experience deserves no stars.
G**N
Worked great. As advertised. Took a few weeks to deliver so order early.
Trustpilot
1 day ago
1 week ago