IEC 60721-3-7:2026 pdf download,Classification of environmental conditions – Part 3-7: Classification of groups of environmental parameters and their severities – Portable and non-stationary use.

IEC 60721-3-7:2026 categorizes various environmental parameters and their severity levels that products encounter during portable and non-stationary applications, including periods of transfer, downtime, maintenance, and repair.

The environmental conditions addressed by these categories pertain to situations where the product can be used or temporarily placed, as well as during its transportation between different locations.

This third edition supersedes the second edition released in 1995 and Amendment 1:1996, constituting a technical update. Key technical modifications in this edition compared to the previous version include:

a) A majority of the classes have been entirely replaced with new classifications based on updated information from referenced Technical Reports;

b) Tables 1 to 5 have been revised;

c) The content from the five informative annexes has been either integrated into the main document or removed.