CEI EN 61557-4 Ed. 2 (2008)现行
Electrical Safety In Low Voltage Distribution Systems Up To 1000 V A.C. And 1500 V D.C. - Equipment For Testing, Measuring Or Monitoring Of Protective Measures - Part 4: Resistance Of Earth Connection And Equipotential Bonding
出版：Comitato Elettrotecnico Italiano
专家解读视频
基本信息
标准编号： CEI EN 61557-4 Ed. 2 (2008)
发布时间：2008/8/1 0:00:00
标准类别：Standard
出版单位：Comitato Elettrotecnico Italiano
标准页数：18
标准简介
2ED 2008 [01/08/2008]2ED 2007 [01/08/2007]1ED 1998 [01/08/1998]
标准备注
Classificazione CEI 85-25 (09/2001) To be used in conjunction with EN 61557-1. (09/2007)
本标准替代的旧标准
等同采用的国际标准
IEC 61557-4 Ed. 2.0 - Identical
