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

$107.79

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Description

⚡ Ground your power like a pro — safety and style in one sleek copper bar!

ROBUST COPPER BUILD - Premium .157" thick copper bar ensures superior conductivity and durability for your grounding needs.
EFFORTLESS INSTALLATION - Comes with pre-assembled stainless steel washers and bolts, plus a clear warning tag to prevent disconnection errors.
HIGH VOLTAGE PROTECTION - UL-certified SM40 polyester insulators rated up to 7.4kV Uimp safeguard your system from electrical surges.
TRUSTED INDUSTRY STANDARD - Backed by UL certification and a 4.7-star rating from 222 users, this kit is the go-to for reliable, professional-grade grounding.
OPTIMIZED FOR POWER DISTRIBUTION - Perfectly sized 7.87" length with 10 terminal positions to handle complex grounding setups in commercial or residential panels.

The GOUNENGNAIL Wall Mounted Copper Ground Bar Kit features a durable .157" thick copper bus bar with 10 terminal positions, UL-recognized SM40 insulators rated up to 7.4kV Uimp, and pre-assembled stainless steel hardware for quick, reliable installation. Designed for high and low power distribution cabinets, it ensures superior grounding and surge protection, making it a trusted choice for professionals seeking dependable electrical safety solutions.

Specifications

ASIN	B08PY4DHTQ
Best Sellers Rank	#76,044 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in Electrical Grounding Bars
Brand	GOUNENGNAIL
Brand Name	GOUNENGNAIL
Centerline Length	7.87 Inches
Connector Type	Screw
Customer Reviews	4.7 out of 5 stars 222 Reviews
Item Dimensions W x H	0.24"W x 9.84"H
Item Pitch	0.31 Inches
Manufacturer	Bulls Hardware
Material	Copper
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	1.0 Count

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