DIN EN 61850-7-3 : 2022 Title: Communication networks and systems for power utility automation - Part 7-3: Basic communication structure - Common data classes (IEC 61850-7-3:2010 + A1:2020); English version EN 61850-7-3:2011 + A1:2020 Year: 2022 Publisher: DIN Media GmbH Availability: Within 1-2 working days