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Muthukumar
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Join Date: Sep 2008
Posts: 9

HT Breaker Closing Time and Opening Time

03/13/2013 2:46 PM

We are checking the Breaker closing time and opening time by Megger EGIL Testing kit. Kindly explain me what is the time limit for a healthy breaker's closing time and opening time? If any international standards are available for analyzing the breaker opening time and close time?
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RAMConsult
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#1

Re: HT Breaker Closing time and opening time

03/13/2013 2:51 PM

Certainly the breaker's manufacturer can tell you what the times should be. Perhaps if we had more info like the make and model number someone who is familiar with the product could answer it directly.

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lyn
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Re: HT Breaker Closing time and opening time

03/13/2013 3:02 PM

I'd say any burning wire insulation would indicate insufficient open/close times.

Check the international standards you should have on file, or the breaker manufacturer's data sheet, as has ALREADY been suggested.

Here's a head start: Circuit breaker test equipment - Megger Download the operator's manual. It will probably tell you to check the breaker data sheet.
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