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Associate

Join Date: Jun 2010
Location: India
Posts: 25

VCB Selection

08/30/2012 7:24 AM

How to select a Vacuum circuit breaker rating?

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Guru

Join Date: Oct 2007
Location: India
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#1

Re: VCB Selection

08/30/2012 10:22 AM

What are your requirements?

Select the Vacuum circuit breaker rating, as per the answer to above question.

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Guru
New Zealand - Member - Kiwi Popular Science - Weaponology - New Member Engineering Fields - Power Engineering - New Member Engineering Fields - Electrical Engineering - New Member

Join Date: Sep 2006
Location: Auckland, New Zealand
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Good Answers: 376
#2

Re: VCB Selection

08/30/2012 4:29 PM

You get someone electrically qualified to make the selection based on your particular requirements and application. It is not the sort of thing you should be doing if you are not qualified to do it (which is why we don't tell people how to drive or run nuclear power plants).

If you have no idea of the requirements because you haven't been given a specification by either your employer or customer then you should do a little research in to the application and see what existing protection there is (or is specified) to get a good starting point (which should hopefully be enough).

Don't forget to get a sign off for your proposed selection by the customer or someone qualified if you are not qualified to do this yourself BEFORE purchase.

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jack of all trades
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Guru

Join Date: Jun 2010
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#3

Re: VCB Selection

08/30/2012 11:48 PM

Give your requirements to at least 3 manufacturers and select the best offer.

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pnaban
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