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NF EN 61557-7:2007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 7: Phase Sequence

出版：Association Francaise de Normalisation

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基本信息

标准编号： NF EN 61557-7:2007

发布时间：2007/6/1 0:00:00

标准类别：Standard

出版单位：Association Francaise de Normalisation

标准页数：11

标准简介

Defines the requirements for measurement of equipment applied to testing the phase sequence in three-phase distribution systems. The phase sequence may be indicated by mechanical, visual and/or audible means. Not applicable to ancillary measuring equipment for other quantities, such as voltage testers consisting of an additional phase sequence indicator. Not applicable to monitoring relays.

标准备注

Indice de classement: C42-198-7. PR NF EN 61557-7 November 2005. (11/2005) 1997 version is still active. (06/2007)

等同采用的国际标准

UNE EN 61557-7:2007 - Identical

SS EN 61557-7 Ed. 2 (2007) - Identical

I.S. EN 61557-7:2007 - Identical

NBN EN 61557-7:2007 - Identical

IEC 61557-7 Ed. 2.0 - Identical

DIN EN 61557-7 (1998-05) - Identical

BS EN 61557-7:2007 - Identical

SN EN 61557-7:1997 - Identical

DIN EN 61557-7 (2008-02) - Identical