DIN EN 50327:2003 Railway applications - Fixed installations - Harmonisation of the rated values for converter groups and tests on converter groups; German version EN 50327:2003
2006DIN EN 50327:2006 Railway applications - Fixed installations - Harmonisation of the rated values for converter groups and tests on converter groups; German version EN 50327:2003 + A1:2005
2003DIN EN 50327:2003 Railway applications - Fixed installations - Harmonisation of the rated values for converter groups and tests on converter groups; German version EN 50327:2003