Current stage: 50.00 Effective date: 24 jan 2025
Next stage: CFDIS Next stage date: 18 pri 2025
Originator: IEC
Owner: TC 94
Type: International Standard
ICS: 29.120.70
IN_DEVELOPMENT IEC 63522-54 ED1 50.00 Final text received or FDIS registered for formal approval 24 jan 2025