Current stage: 40.00 Effective date: Jul 11, 2025
Next stage: CCDV Next stage date: Aug 29, 2025
Originator: IEC
Owner: TC 69
Type: International Standard
ICS: 43.120
PUBLISHED IEC 61851-1:2017 ED3
PUBLISHED IEC 61851-1:2017/COR1:2023 ED3
PROJECT IEC 61851-1 ED4 40.00 DIS registered Jul 11, 2025