DIN EN 50491-3:2010
家庭和建筑電子系統(HBES)和建筑自動化和控制系統(BACS)用一般要求.第3部分:電氣安全性要求.德文版本EN 50491-3-2009
General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 3: Electrical safety requirements; German version EN 50491-3:2009