PUBLISHED
IEC 62040-1:2017 ED2
PUBLISHED
IEC 62040-1:2017/COR1:2019 ED2
PUBLISHED
IEC 62040-1:2017/AMD1:2021 ED2
PUBLISHED
IEC 62040-1:2017/AMD2:2022 ED2
PROJECT
IEC 62040-1 ED3
50.00
Final text received or FDIS registered for formal approval
Oct 22, 2026
Uninterruptible power systems (UPS) - Part 1: Safety requirements
40.60 Close of voting