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 (IEC 60439-3:1990 + A1:1993 + A2:2001); German version EN 60439-3:1991 + Corrigendum 1994 + A1:1994 + A2:2001
低压开关设备和控制设备组件.第3部分:拟安装在非熟练人员可以使用的地方的低压开关设备和控制设备组件的特殊要求;配电盘(IEC 60439-3-1990+A1-1993+A2-2001);德文版本E