DIN EN 60077-1:2003 Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules (IEC 60077-1:1999, modified); German version EN 60077-1:2002
2018DIN EN 60077-1:2018 Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules (IEC 60077-1:2017); German version EN 60077-1:2017
2003DIN EN 60077-1:2003 Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules (IEC 60077-1:1999, modified); German version EN 60077-1:2002