Current stage: 20.99 Effective date: Aug 7, 2026
Next stage: CD Next stage date: Jul 1, 2027
Originator: IEC
Owner: TC 82
Type: International Standard
ICS: 27.160
PUBLISHED IEC 62109-3:2020 ED1
PUBLISHED IEC 62109-3:2020/COR1:2020 ED1
IN_DEVELOPMENT IEC 62109-3 ED2 20.99 WD approved for registration as CD Aug 7, 2026