Current stage: 30.99 Effective date: Jul 10, 2026
Next stage: TCDV Next stage date: Sep 25, 2026
Originator: IEC
Owner: TC 112
Type: International Standard
ICS: 29.035.20 29.080.10
IN_DEVELOPMENT IEC 63600 ED1 30.99 CD approved for registration as DIS Jul 10, 2026