Current stage: 30.99 Effective date: Sep 19, 2025
Next stage: TCDV Next stage date: Mar 31, 2026
Originator: IEC
Owner: TC 38
Type: International Standard
ICS: 17.220.20
IN_DEVELOPMENT IEC 61869-22 ED1 30.99 CD approved for registration as DIS Sep 19, 2025