
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
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Defines requirements for insulation monitoring devices for permanent monitoring of the insulation resistance to earth of unearthed IT a.c. systems, for IT a.c., in addition to unearthed d.c. systems having voltages up to 1500 V d.c. independent from measuring method.
Supersedes DIN EN 50197-8. (12/2001) Supersedes DIN IEC 61557-8. Applies in conjunction with DIN EN 61557-1 issue 12-2007. (12/2007) DRAFT 2013 issued in August 2013. (09/2013)
UNE EN 61557-8:2008 - Identical
NBN EN 61557-8:2008 - Identical
SS EN 61557-8 Ed. 2 (2007) - Identical
UNE EN 61557-8:1998 - Identical
SS EN 61557-8 Ed. 1 (1998) - Identical
I.S. EN 61557-8:2007 - Identical
NF EN 61557-8:2007 - Identical
NBN EN 61557-8:1998 - Identical
IEC 61557-8 Ed. 2.0 - Identical
BS EN 61557-8:2007 - Identical
SN EN 61557-8:1997 - Identical
BS EN 61557-8:2015 - Identical
EN 61557-8:2015 - Identical
NF EN 61557-8:2015 - Identical
NBN EN 61557-8:2015 - Identical