Switches for household and similar fixed electrical installations - Collateral standard - Switches and related accessories for use in home and building electronic systems (HBES) (english version)
Switches for household and similar fixed electrical installations -- Part 2-5: Particular requirements - Switches and related accessories for use in home and building electronic systems (HBES) (IEC 60669-2-5:2013, modified) (english version)
Switches for household and similar fixed electrical installations -- Part 2-5: Particular requirements - Switches and related accessories for use in home and building electronic systems (HBES) (IEC 60669-2-5:2013, modified) (english version)