Current stage: 40.00 Effective date: Oct 3, 2025
Next stage: CCDV Next stage date: Nov 21, 2025
Originator: IEC
Owner: TC 37/SC 37A
Type: International Standard
ICS: 29.240.01 29.240.10
PUBLISHED IEC 61643-31:2018 ED1
PUBLISHED IEC 61643-31:2018/COR1:2022 ED1
IN_DEVELOPMENT IEC 61643-31 ED2 40.00 DIS registered Oct 3, 2025