Current stage: 40.99 Effective date: May 23, 2025
Next stage: DECFDIS Next stage date: Dec 31, 2025
Originator: IEC
Owner: TC 125
Type: International Standard
ICS: 43.120
IN_DEVELOPMENT IEC 63281-2-2 ED1 40.99 Full report circulated: DIS approved for registration as FDIS May 23, 2025