IEC TR 60890:2014 

A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation


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IEC TR 60890:2014 specifies a method of temperature-rise verification of low-voltage switchgear and controlgear ASSEMBLIES by calculation. The method is applicable to enclosed ASSEMBLIES or partitioned sections of ASSEMBLIES without forced ventilation. It is not applicable where temperature rise verification to the relevant product standard of the IEC 61439 series has been established. This second edition cancels and replaces the first edition published in 1987 and its Amendment 1:1995. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the last edition:
- alignment with IEC 61439-1:2011;
- revision of Annex B;
- general editorial review.

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Additional information

Publication typeTechnical Report
Publication date2014-05-07
Available language(s)English/French
TC/SCTC 121/SC 121B - Low-voltage switchgear and controlgear assembliesrss
ICS29.130.20 - Low voltage switchgear and controlgear
Stability date  2022
File size4661 KB

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