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NBN EN 61557-3:2007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 3: Loop Impedance

出版：Belgian Standards

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基本信息

标准编号： NBN EN 61557-3:2007

发布时间：2007/10/1 0:00:00

标准类别：Standard

出版单位：Belgian Standards

标准页数：8

标准简介

Defines the requirements applying to equipment for measurement of the loop impedance between a phase and protective conductor, or between a phase conductor and neutral or between two phase conductors by means of the voltage drop when the circuit being tested is loaded.

等同采用的国际标准

DIN EN 61557-3 (2008-02) - Identical

UNE EN 61557-3:2007 - Identical

DIN EN 61557-3 (1998-05) - Identical

BS EN 61557-3:2007 - Identical

SN EN 61557-3:1997 - Identical

DIN EN 61557-3:2008 - Identical

UNE EN 61557-3 : 2007 - Identical

I.S. EN 61557-3:2007 - Identical

SN EN 61557-3 : 1997 - Identical

I.S. EN 61557-3:2007 - Identical

UNE EN 61557-3 : 2007 - Identical