PUBLISHED
IEC 61850-7-4:2010 ED2
PUBLISHED
IEC 61850-7-4:2010/AMD1:2020 ED2
IN_DEVELOPMENT
IEC 61850-7-4/AMD1/COR1 ED2
IN_DEVELOPMENT
IEC 61850-7-4 ED3
40.99
Full report circulated: DIS approved for registration as FDIS
Oct 16, 2026