DIN EN 50491-3:2010
家庭和建筑电子系统(HBES)和建筑自动化和控制系统(BACS)用一般要求.第3部分:电气安全性要求.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