IEC 60439-3 Edition 1.2-2001
低压开关设备和控制设备装置.第3部分:对安装在不熟练人员使用场所的低压开关设备和控制设备装置的特殊要求.配电盘
Low-voltage switchgear and controlgear assemblies - Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use - Distribution boards