Current stage: 40.99 Effective date: Dec 26, 2025
Next stage: DECFDIS Next stage date: Feb 27, 2026
Originator: IEC
Owner: TC 51
Type: International Standard
ICS: 29.100.10
IN_DEVELOPMENT IEC 62024-3 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Dec 26, 2025