
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 8: Insulation Monitoring Devices For It Systems (Iec 61557-8:2014)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2015 COR 1 2016 [01/12/2016]2015 [01/12/2015]2007 [01/12/2007]1998 [01/05/1998]
Supersedes DIN EN 50197-8. (12/2001) Supersedes DIN IEC 61557-8. (12/2007) DIN EN 61557-8 issue 12-2007 remains valid alongside this standard until 15-01-2018. (12/2015)
SS EN 61557-8 Ed. 2 (2007) - Identical
SN EN 61557-8:2007 - Identical
BS EN 61557-8:2015 - Identical
EN 61557-8:2015 - Identical
I.S. EN 61557-8:2015 - Identical
NF EN 61557-8:2015 - Identical
NBN EN 61557-8:2015 - Identical
UNE EN 61557-8:2016 - Identical