Current stage: 40.00 Effective date: 18 korr 2025
Next stage: CCDV Next stage date: 5 sht 2025
Originator: IEC
Owner: TC 47
Type: International Standard
ICS: 31.080.99
IN_DEVELOPMENT IEC 63550-4 ED1 40.00 DIS registered 18 korr 2025