Current stage: 40.00 Effective date: 30 tet 2026
Next stage: CCDV Next stage date: 18 dhj 2026
Originator: IEC
Owner: TC 65
Type: International Standard
ICS: 25.040.40
IN_DEVELOPMENT IEC 63657-3 ED1 40.00 DIS registered 30 tet 2026