Current stage: 30.99 Effective date: Aug 7, 2026
Next stage: TCDV Next stage date: Dec 17, 2026
Originator: IEC
Owner: TC 91
Type: International Standard
ICS: 31.180 31.190
IN_DEVELOPMENT IEC 62878-2-604 ED1 30.99 CD approved for registration as DIS Aug 7, 2026