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What is biffrence b/w insulation class & utility class


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#1 sethar

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Posted 22 August 2003 - 07:57 AM

Let me know the diffrence between insulation class and utility class in motors?

#2 electricpete

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Posted 21 September 2003 - 11:04 PM

QUOTE
Originally posted by sethar
Let me know the diffrence between insulation class and utility class in motors?


Insulation class refers to the thermal rating of the insulation system. Class A, B, F, H correspond to 60, 80, 105, 125C average copper rise above 40C ambient.




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