Current stage: 40.99 Effective date: Jul 10, 2026
Next stage: TFDIS Next stage date: Dec 31, 2026
Originator: IEC
Owner: TC 1
Type: International Standard
ICS: 01.040.29 25.180.10
PUBLISHED IEC 60050-841:2004 ED2
PUBLISHED IEC 60050-841:2004/AMD1:2021 ED2
IN_DEVELOPMENT IEC 60050-841 ED3 40.99 Full report circulated: DIS approved for registration as FDIS Jul 10, 2026