Can these be used as Positive and Negative busbar equivalent to a battery combiner... regardless as being advertises a Ground busbars?

Sure. Many customers have great experience by using it as positive and negative busbar.

Will this work with 48volts and 250amps.

Amp capacity of a busbar is dependent on cross sectional area and temperatures. There’s tables published which you should research. My guess is 48v x250a is equivalent to 1000a x 12v. That’s a lot of amps. I’d also check ABYC rules on this.

What amp rating are the individual terminal connections? Do they have a limit or is it fine as long as the ampacity of the overall bar is not exceeded

Thank you for your helpful question. Basically,at room temperature of Celsius 25 degrees,this copper bar kit can load 955 amp for AC current. Under different environment temperature,the limit ampacity is slightly different. For each individual terminal,there is no special limit,as the stainless steel bolts just function as fasteners.when installing cable lugs to copper bar, cable lugs need to contact copper bar directly and closely for better current transmission,not recommend to install on the middle of bolts.

Where do I find those 2 hole ground lugs that are used when grounding to the ground block?

hi dear. usually one hole cable lug works with the terminal block. The hole distance between the two is enough for one hole cable lug.

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GOUNENGNAIL-Wall Mounted Copper Ground Bar Kit .157" x 2.36" x 7.87" Bus Bar 5/16'' x 10 Terminal Positions, UL Recognized SM40 Insulators Rated Uimp up to 6KV (10 Terminal Positions(5/16''))

GOUNENGNAIL-Wall Mounted Copper Ground Bar Kit .157" x 2.36" x 7.87" Bus Bar 5/16'' x 10 Terminal Positions, UL Recognized SM40 Insulators Rated Uimp up to 6KV (10 Terminal Positions(5/16''))

Product ID: 319064812

Details

Brand
GOUNENGNAIL
Centerline Length
7.87 inches
Connector Type
Screw
Item Pitch
0.31 inches
Material
Copper
Mounting Type
Wall Mount

⚡UL recognized SM40 insulators rated up to 7.4kV Uimp

🔩Pre-assembled stainless steel washers & bolts for hassle-free install

🛠️10 terminal positions for versatile connections

358.63 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Ground your power with confidence — the copper bar that means business!

SAFETY FIRST ALWAYS - Includes a clear warning tag to prevent accidental disconnection and ensure continuous protection.
DURABILITY MEETS DESIGN - Heavy-duty copper bus bar paired with stainless steel components for long-lasting corrosion resistance.
BUILT TO WITHSTAND THE SURGE - UL-certified SM40 polyester insulators rated for up to 7.4kV protect your system from voltage spikes.
POWER YOUR SETUP WITH PRECISION - 10 robust 5/16'' terminal positions ensure seamless grounding and distribution.
EFFORTLESS INSTALLATION ZERO MESS - Comes with pre-assembled stainless steel washers and bolts for quick, reliable mounting.

The GOUNENGNAIL Wall Mounted Copper Ground Bar Kit features a heavy-duty .157" x 2.36" x 7.87" copper bus bar with 10 terminal positions (5/16''), UL-recognized SM40 polyester insulators rated up to 7.4kV Uimp, and pre-assembled stainless steel washers and bolts for easy installation. Designed for reliable grounding in power distribution cabinets, this kit combines durability, safety, and convenience, making it a top choice for professional electrical setups.

Specifications

ASIN	B08PY4DHTQ
Best Sellers Rank	#59,355 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Electrical Grounding Bars
Brand Name	GOUNENGNAIL
Centerline Length	7.87 inches
Connector Type	Screw
Customer Reviews	4.7 4.7 out of 5 stars (224)
Item Dimensions W x H	0.24"W x 9.84"H
Manufacturer	Bulls Hardware
Material Type	Copper
Model	GRBARCPP
Mounting Type	Wall Mount
Number Of Contacts	10
Number Of Poles	10
Number of Positions	10
Part Number	GRBARCPP
Pitch	0.31 inches
Specification Met	UL
Unit Count	1 Count

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358.63 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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