IEC 61557-8 Ed. 1.0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 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. 1.0
发布时间：1997/2/14 0:00:00
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：21
标准简介
Specifies requirements for insulation monitoring devices which permanently monitor the insulation resistance to earth of unearthed IT a.c. and d.c. systems, and for IT a.c. systems with galvanically connected d.c. circuits.
替代本标准的新标准
等同采用的国际标准
BS EN 61557-8:1997 - Identical
