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⚡ Power up your setup with Blue Sea DualBus – where reliability meets precision!
The Blue Sea Systems DualBus 100A Common BusBars feature 10 screw terminals and a closed back design that fully insulates power from mounting surfaces. Rated for 100 amps at 300VAC/48VDC, this compact, UL-certified busbar offers durable aluminum and stainless steel construction, making it ideal for secure, high-capacity electrical connections in marine and sporting applications.





| Asin | B000277JB4 |
| Best Sellers Rank | #148,946 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #32 in Boat Wire Terminals |
| Brand Name | Blue Sea Systems |
| Centerline Length | 5.06 inches |
| Color | Black |
| Connector Type | Screw |
| Current Rating | 100 A |
| Customer Reviews | 4.6 4.6 out of 5 stars (60) 4.6 out of 5 stars |
| Global Trade Identification Number | 00632085027025 |
| Included Components | Item |
| Item Dimensions W X H | 5.06"W x 0.58"H |
| Item Weight | 4.8 ounces |
| Manufacturer | Blue Sea Systems |
| Material Type | Aluminum, Stainless Steel |
| Model | 2702 |
| Mounting Type | Surface |
| Number Of Contacts | 10 |
| Number Of Items | 1 |
| Number Of Poles | 2 |
| Number Of Positions | 20 |
| Part Number | 2702 |
| Specification Met | UL |
| Unit Count | 1 Count |
| Upc | 632085027025 |
| Voltage | 48 volts |
| Warranty Description | Manufacturer Warranty |
User
Each of the 20 terminals is a #8 screw
This is not what I was looking for when I found it, but it does the job perfectly. I have "trays" of HR1221W SLA batteries from a defunct UPS that I just couldn't leave alone, and needed an inexpensive way to turn 8 12v batteries wired in series (for 96v total) into 8 12v batteries wired in parallel (for 12v total) so I could power some more common DC loads. This bus bar does the job, leaving me two pair of terminals to hook up a pair of loads. It's not what I was envisioning, but works perfectly. Construction of the part is solid (as are most things from Blue Sea) and while the price seems high for such a simple product it's inline with other similar options... maybe even cheap. Each of the 20 terminals is a #8 screw, so #8 spade or ring terminals work perfectly.
User
Good quality.
Works great. Used this to combine 3 100watt solar panels in parallel. Have room left over when I add more panels.
User
The Perfect Solution
The Blue Sea Systems 2702 Dual Busbar enabled me to sort out the wiring of 12-volt accessories under the console of my boat. It was easy to mount and the quality hardware allows tightening of all connections without fear of stripping threads. A must-have to complete a proper installation. (And, it made it look like I know what I'm doing!)
User
great quality bus
very well made / solid built bus. easy to mount on surfaces with the two mounting holes. has plenty of mounting spots.
User
Works like a champ
Using this to aggregate multiple solar panels into my charge controller. One side for positive and one side for negative. Works like a champ, and allows for adding or removing panels as needed and keeps the wiring looking good.
User
BEWARE: SHIPPING WRONG ITEM
I ordered this part from this seller (P.T. Bailey) and received the proper 2702 part as shown and advertised.So I figured I can order some more.Twice in a row we received the 2701 part INSTEAD of the 2702. And it was not due to any buyer error.And for some reason Amazon is making the return process difficult so I wonder what is going on here.Seller is either ignorant or purposefully trying to unload wrong product. Hopefully a comment can begin to resolve this.
User
Three Stars
Works fine
User
Very well constructed
easy to use, made to last
User
Good Quality Bus Bar
Used this in my boat to make wiring cleaner and easier and it worked great. Easy to work with and easy to install and still working after many years. Lots of space for wire installation across the board. The nuts all have an integrated locking washer which makes for a really secure connections to the bus bar. Great product and would purchase again if necessary.
User
how to cancel an accidental return....how??
i accidentally filled out a return for this item...so want to cancel the return?....doenst seem like theres a screen for that...its a good item...
User
Tel que désiré
Le produit est tel que je m'attendais.
User
It was a used product
The product was used and the screws were worn off. I am really disappointed.
Trustpilot
2 weeks ago
2 weeks ago