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rustan
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Join Date: May 2008
Posts: 4

Standard Bus Bar Calculation Formula

05/07/2008 9:04 AM

Hi there to all of you, can you help me to find out the standard calculation formula for bus bar rating?
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Anonymous Poster
#1

Re: standard bus bar calculation formula

05/14/2008 9:48 PM

width x thickness % 0.0004 = Rating
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rustan
Participant

Join Date: May 2008
Posts: 4
#2
In reply to #1

Re: standard bus bar calculation formula

05/15/2008 8:28 AM

hi again there i have a follow up question...

how can you know if the bus bar if suitable to used for main circuit breaker?

for example i have a 150 A main breaker? what size of bus bar will i used that is suitable for 150 ampere main breaker?can you show me the calculation if have?

thanks and more power?

tan
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Anonymous Poster
#3
In reply to #2

Re: standard bus bar calculation formula

05/04/2009 9:25 AM

15x5mm copper busbar can bear the 150Amp
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Anonymous Poster
#4
In reply to #2

Re: standard bus bar calculation formula

02/28/2010 5:23 AM
hi again there i have a follow up question...

how can you know if the bus bar if suitable to used for main circuit breaker?

for example i have a 150 A main breaker? what size of bus bar will i used that is suitable for 150 ampere main breaker?can you show me the calculation if have?

thanks and more power?

tan

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Anonymous Poster
#5
In reply to #1

Re: Standard Bus Bar Calculation Formula

04/21/2010 1:18 AM

Pls Explain this with examples. Is it a thumb rule for calculations?
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