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jubunk
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Join Date: Apr 2011
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kAIC rating

04/19/2011 12:07 AM

What is a kAIC rating? And what is its significance?
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kvsridhar
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#1

Re: kAIC rating

04/19/2011 12:49 AM

kiloAmpere Interrupting Current. In other words, Short-circuit current.

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kvsridhar
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#2
In reply to #1

Re: kAIC rating

04/19/2011 1:43 AM

Oops sorry...

kiloAmperes Interrupting Capacity.

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jubunk
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#3
In reply to #2

Re: kAIC rating

04/19/2011 2:14 AM

Is there a significant difference between kA rating and kAIC rating of a MCCB?
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juleselec
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Join Date: Mar 2011
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#4
In reply to #3

Re: kAIC rating

04/19/2011 3:40 AM

Yes, the kA rating is typically the short circuit level that the MCCB can withstand (without melting or being damaged), but not necessarily interrupt.
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jubunk
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#5

Re: kAIC rating

04/19/2011 4:29 AM

Thank you both!
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