Current stage: 40.99 Effective date: Oct 16, 2026
Next stage: DECFDIS Next stage date: Nov 30, 2026
Originator: IEC
Owner: TC 57
Type: International Standard
ICS: 33.200
IN_DEVELOPMENT IEC 61850-7-44 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Oct 16, 2026