Current stage: 50.00 Effective date: Sep 23, 2026
Next stage: CFDIS Next stage date: Dec 16, 2026
Originator: IEC
Owner: TC 21/SC 21A
Type: International Standard
ICS: 29.220.30
PUBLISHED IEC 62620:2014 ED1
PUBLISHED IEC 62620:2014/AMD1:2023 ED1
IN_DEVELOPMENT IEC 62620 ED2 50.00 Final text received or FDIS registered for formal approval Sep 23, 2026