DIN EN 60669-2-1 Berichtigung 1:2008
Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic switches (IEC 60669-2-1:2002, modified); German version EN 60669-2-1:2004, Corrigenda to DIN EN 60669-2-1 (VDE 0632-2-1):2005-08; German ver