Current stage: 30.99 Effective date: May 9, 2025
Next stage: TCDV Next stage date: Jul 31, 2025
Originator: IEC
Owner: TC 23/SC 23B
Type: International Standard
ICS: 29.120.30
IN_DEVELOPMENT IEC 63578-1 ED1 30.99 CD approved for registration as DIS May 9, 2025