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IEC TS 60721-4-3:2023

Classification of environmental conditions - Part 4-3: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Stationary use at weatherprotected locations

General information
Valid from 27.07.2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
27.07.2023
Main
20.05.2003
Amendment
30.03.2001
Main
IEC TS 60721-4-3:2023 This part of IEC 60721 deals with the correlation and transformation of the conditions given in IEC 60721-3-3 to the environmental test procedures defined in IEC 60068-2.
This document provides test procedures and test severities for electrotechnical equipment operated at stationary weatherprotected locations for the product classes set out in IEC 60721-3-3.
This first edition cancels and replaces IEC TR 60721-4-3:2001 and IEC TR 60721-4-3:2001/AMD1:2003. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC TR 60721-4-3:2001 and IEC TR 60721-4-3:2001/AMD1:2003:
a) the document has been totally reworked;
b) all figures have been removed, except in Annex A;
c) severities have been aligned with those of IEC 60721-3-3:2019.
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