Current stage: 50.00 Effective date: Aug 11, 2025
Next stage: CFDIS Next stage date: Nov 3, 2025
Originator: IEC
Owner: TC 21/SC 21A
Type: International Standard
ICS: 13.020.60
IN_DEVELOPMENT IEC 63369-1 ED1 50.00 Final text received or FDIS registered for formal approval Aug 11, 2025