Current stage: 40.99 Effective date: 7 gush 2026
Next stage: DECFDIS Next stage date: 2 tet 2026
Originator: IEC
Owner: TC 62/SC 62B
Type: International Standard
ICS: 11.040.55
IN_DEVELOPMENT IEC 63524 ED1 40.99 Full report circulated: DIS approved for registration as FDIS 7 gush 2026