DIN EN 61850-4:2012 Communication networks and systems for power utility automation - Part 4: System and project management (IEC 61850-4:2011); German version EN 61850-4:2011
2022DIN EN 61850-4:2022-05 Communication networks and systems for power utility automation - Part 4: System and project management (IEC 61850-4:2011 + A1:2020); German version EN 61850-4:2011 + A1:2020 / Note: DIN EN 61850-4 (2012-04) remains valid alongside this standard until ...
2012DIN EN 61850-4:2012 Communication networks and systems for power utility automation - Part 4: System and project management (IEC 61850-4:2011); German version EN 61850-4:2011
2002DIN EN 61850-4:2002 Communication networks and systems in substations — Part 4: System and project management