[RE-wrenches] Copper bar current capacity?

Larry larry at starlightsolar.com
Wed Apr 29 12:41:41 PDT 2015


I did see these AC 60Hz tables like your link. Is it the same for DC 
current? Seems like I read that there was a difference.

Thank you,

Larry Crutcher
Starlight Solar Power Systems

On 4/29/15 11:27 AM, August Goers wrote:
> Larry,
>
> There are many resources for this online. A quick search for "copper bar
> current rating chart" yields results like this:
>
> http://www.watteredge.com/pdf/Ampacity_Tables.pdf
>
> Best,
>
> August
>
> -----Original Message-----
> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
> Behalf Of Larry
> Sent: Wednesday, April 29, 2015 11:04 AM
> To: RE-wrenches
> Subject: [RE-wrenches] Copper bar current capacity?
>
> Hi Wrenches,
>
> In building lithium battery systems, I have many components that need to
> be connected in series from the battery. Sometimes the space is very
> limited making it difficult to bend 2/0 cables. I would like to use copper
> flat bar and make parts to replace the cables. Does anyone know how much
> current I can run through copper bar based on its size? For example, 1" or
> 3/4"  wide by .0625" up to .125" thick. The pieces will only be a few
> inches long and bolted to solenoids, shunt and terminal posts.
>
> --
> Thank you,
>
> Larry Crutcher
> Starlight Solar Power Systems
>
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