Current stage: 40.99 Effective date: Jul 31, 2026
Next stage: DECFDIS Next stage date: Aug 7, 2026
Originator: IEC
Owner: TC 110
Type: International Standard
ICS: 31.120
IN_DEVELOPMENT IEC 63211-3-3 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Jul 31, 2026