Current stage: 50.00 Effective date: 9 sht 2026
Next stage: CDTR Next stage date: 2 dhj 2026
Originator: IEC
Owner: TC 21
Type: Technical Report
ICS: 29.220.20
IN_DEVELOPMENT IEC TR 63330-2 ED1 50.00 Final text received or FDIS registered for formal approval 9 sht 2026