DIN EN 61557-9 (2009-11)被替代
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：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
TO BE USED IN CONJUNCTION WITH IEC 61557-1. Gives the requirements for insulation fault location systems which localize insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1000 V a.c., as well as unearthed IT d.c. systems with voltages up to 1 500 V d.c., independent of the measuring principle.
Supersedes DIN IEC 85-188-CDV. (05/2002) Supersedes DIN IEC 61557-9. Applies in conjunction with DIN EN 61557-1 issue 12-2007. (11/2009) DRAFT 2013 issued in June 2013. (07/2013)
BS EN 61557-9:2009 - Identical
NF EN 61557-9:2015 - Identical
SS EN 61557-9 Ed. 2 (2009) - Identical
NBN EN 61557-9:2015 - Identical
NBN EN 61557-9:2009 - Identical
UNE EN 61557-9:2010 - Identical
