NBN EN 61557-9:2015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 9: Equipment For Insulation Fault Location In It Systems
出版：Belgian Standards
专家解读视频
2015 COR 2016 [01/06/2016]2015 [01/03/2015]2009 [29/10/2009]2000 [01/06/2000]
DIN EN 61557-9 (2009-11) - Identical
UNE EN 61557-9:2010 - Identical
SS EN 61557-9 Ed. 2 (2009) - Identical
BS EN 61557-9:2015 - Identical
EN 61557-9:2015 - Identical
NF EN 61557-9:2015 - Identical
DIN EN 61557-9 (2015-10) - Identical
SN EN 61557-9:1999 - Identical
I.S. EN 61557-9:2015 - Identical
DIN EN 61557-9:2015 - Identical
