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IEC 60721-3-7 Ed. 3.0 b:2026

Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use
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IEC 60721-3-7 Ed. 3.0 b:2026

Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use

IEC 60721-3-7 Ed. 3.0 b:2026
IEC 60721-3-7:2026 classifies the groups of environmental parameters and their severities to which products are subject to during portable and non-stationary use. This includes periods of transfer, down time, maintenance and repair.
The environmental conditions encompassed by these groups include the environmental conditions occurring
- at locations where the product can be placed or used temporarily, and
- during the transfer of products between different locations.
This third edition cancels and replaces the second edition published in 1995 and Amendment 1:1996. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) most classes have been replaced by completely new classes based on the use of new information obtained from referenced Technical Reports;
b) Table 1 through to Table 5 have been updated;
c) the content of the five informative annexes has either been incorporated into the main body of the document or deleted.
SDO IEC: International Electrotechnical Commission
Document Number IEC 60721
Publication Date Not Available
Language b - English & French
Page Count 36
Revision Level 3.0
Supercedes
Committee 104
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