Hi:

You could relate the cross sectional area of the copper bar to circular 
mils using,

1 circular mil = 0.166 sq-in

Then look up the current carrying capacity for wires of various sizes in 
circular mils.  A copper bar with the same size in circular mils will 
carry the same current as a wire of that size in circular mils; actually 
more current as the copper is not insulated and is not round.

JARMO 
_____________________________________________________________________________________
 


Jarmo Venalainen  |   Schneider Electric   |  Xantrex Brand  |   CANADA  | 
  Sales Application Engineer 
Phone: +604-422-2528  |   Tech Support: 800-670-0707  |   Mobile: 
+604-505-0291 
Email: jarmo.venalai...@schneider-electric.com  |   Site: www.Xantrex.com 
|   Address: 3700 Gilmore Way, Burnaby, BC V5G4M1 








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From:
Larry <la...@starlightsolar.com>
To:
RE-wrenches <re-wrenches@lists.re-wrenches.org>, 
Date:
04/29/2015 11:03 AM
Subject:
[RE-wrenches] Copper bar current capacity?
Sent by:
"RE-wrenches" <re-wrenches-boun...@lists.re-wrenches.org>



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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