Low-voltage switchgear and controlgear assemblies, Part 3: Distribution boards intended to be operated by ordinary persons (DBO) (IEC 61439-3, Ed. 1.0 (2012), MOD)
低压开关设备和控制设备组件 第3部分:由普通人操作的配电盘(DBO)(IEC 61439-3 Ed.1.0(2012) MOD)
Adopted IEC61439-3, Ed. 1.0 (2012) to, in conjunction with Part1 of the series, define specific requirements for distribution boards intended to be operated by ordinary persons (DBO).