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IEVref:426-01-04ID:
Language:enStatus: Standard
Term: maximum surface temperature
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Definition: highest temperature which is attained in service under the most adverse conditions (but within the specified tolerances) by any part or surface of an electrical apparatus, which would be able to produce an ignition of the surrounding explosive atmosphere

NOTE – The most adverse operating conditions include recognized overloads and any fault condition recognized in the specific standard for the type of protection concerned.  


Publication date:2008-02
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