Current stage: 30.99 Effective date: Sep 4, 2026
Next stage: TCDV Next stage date: Sep 11, 2026
Originator: IEC
Owner: TC 46
Type: International Standard
ICS: 33.120.10
IN_DEVELOPMENT IEC 63466-3 ED1 30.99 CD approved for registration as DIS Sep 4, 2026