Current stage: 50.00 Effective date: Nov 6, 2025
Next stage: CDTR Next stage date: Jan 1, 2026
Originator: IEC
Owner: TC 37/SC 37B
Type: Technical Report
ICS: 29.240.10
IN_DEVELOPMENT IEC TR 61643-333 ED1 50.00 Final text received or FDIS registered for formal approval Nov 6, 2025