DIN EN 60669-2-4:2005 Switches for household and similar fixed electrical installations - Part 2-4: Particular requirements - Isolating switches (IEC 60669-2-4:2004, modified); German version EN 60669-2-4:2005
2005DIN EN 60669-2-4:2005 Switches for household and similar fixed electrical installations - Part 2-4: Particular requirements - Isolating switches (IEC 60669-2-4:2004, modified); German version EN 60669-2-4:2005