Posts Tagged ‘busbar calculation’


September 29th, 2009 | 66 Comments | Posted in Panel Building
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I’ve seen a number of “thumb rules” examples on CR4 forum :
“0.6 amps per sq mm in case of Aluminium and 1.25 amps per for Copper”
” for Aluminum 0.8 amps for, for copper is 1.25 Amps per”
“0.6Amp/mm2 is fine for Alu, 1 Amp/mm2 is fine for OFHC Copper”

There are also some general dimensioning tables like the ones given by Copper Development Association.

Do you use such formulas or tables ? Which ones ? When and how do you use them ?

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