Current stage: 40.99 Effective date: 14 gush 2026
Next stage: DECFDIS Next stage date: 31 maj 2027
Originator: IEC
Owner: TC 111
Type: International Standard
ICS: 13.020.30 31.020
IN_DEVELOPMENT IEC 63333-3 ED1 40.99 Full report circulated: DIS approved for registration as FDIS 14 gush 2026