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SN EN 61557-9:1999现行

Electrical Safety In Low Voltage Distribution Systems Up To 1 Kv A.c. And 1.5 Kv D.c. - Equipment For Testing, Measuring Or Monitoring Of Protective Measures - Part 9: Equipment For Insulation Fault Location In It Systems

出版：Swiss Standards

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基本信息

标准编号： SN EN 61557-9:1999

发布时间：1999/11/1 0:00:00

标准类别：Standard

出版单位：Swiss Standards

标准页数：0

标准简介

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.

等同采用的国际标准

NFC 42 11998-9 : 1998 - Identical

NBN EN 61557-9 : 2015 COR 2016 - Identical

UNE EN 61557-9 : 2010 - Identical

I.S. EN 61557-9:2015 - Identical

DIN EN 61557-9 : 2015 COR 1 2017 - Identical

DIN EN 61557-9:2015 - Identical

BS EN 61557-9:2015 - Identical

SS EN 61557-9 Ed. 2 (2009) - Identical

NBN EN 61557-9:2015 - Identical

NF EN 61557-9:2015 - Identical

EN 61557-9:2015 - Identical