GB/T 7251.3-2006
低壓成套開關設備和控制設備 第3部分:對非專業人員可進入場地的低壓成套開關設備和控制設備-配電板的特殊要求
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
GBT7251.3-2006, GB7251.3-2006