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IEC 61557-8 Ed. 2.0被替代

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures Part 8: Insulation monitoring devices for IT systems

出版：International Electrotechnical Committee

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基本信息

标准编号： IEC 61557-8 Ed. 2.0

发布时间：2007/1/29 0:00:00

标准类别：Standard

出版单位：International Electrotechnical Committee

标准页数：41

标准简介

This part of IEC 61557 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance to earth of unearthed IT a.c. systems, for IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as of unearthed IT d.c. systems with voltages up to 1 500 V d.c. independent from the method of measuring. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision. The following changes were made with respect to the previous edition: a) definitions complemented; b) revision of some requirements; c) addition of information on operating instructions; d) sections ""type tests"" and ""routine tests"" complemented; e) modification of Table 1; f) addition of Annexes A and B. The contents of the corrigendum of May 2007 have been included in th

本标准替代的旧标准

IEC 61557-8 Ed. 1.0

替代本标准的新标准

IEC 61557-8 Ed. 3.0

等同采用的国际标准

CEI EN 61557-8 Ed. 2 (2008) - Identical

SS EN 61557-8 Ed. 2 (2007) - Identical

UNE EN 61557-8:1998 - Identical

NF EN 61557-8:2007 - Identical

NEN EN IEC 61557-8:2007 - Identical

BS EN 61557-8:2007 - Identical

VDE 0413-8:2007 - Identical