Current stage: 30.99 Effective date: Apr 24, 2026
Next stage: TCDV Next stage date: Dec 31, 2026
Originator: IEC
Owner: TC 87
Type: International Standard
ICS: 17.140.50
IN_DEVELOPMENT IEC 63412-2 ED1 30.99 CD approved for registration as DIS Apr 24, 2026