DIN EN 60077-2:2003 Railway applications - Electric equipment for rolling stock - Part 2: Electrotechnical components; General rules (IEC 60077-2:1999, modified); German version EN 60077-2:2002
2018DIN EN 60077-2:2018 Railway applications - Electric equipment for rolling stock - Part 2: Electrotechnical components - General rules (IEC 60077-2:2017); German version EN 60077-2:2017
2003DIN EN 60077-2:2003 Railway applications - Electric equipment for rolling stock - Part 2: Electrotechnical components; General rules (IEC 60077-2:1999, modified); German version EN 60077-2:2002