PUBLISHED
IEC 60721-3-4:2019 ED3
PROJECT
IEC 60721-3-4/AMD1 ED3
40.60
Close of voting
Sep 11, 2026
Amendment 1 - Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected loca-tions
40.60 Close of voting