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SN EN 61557-8:2007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 8: Insulation Monitoring Devices For It Systems

出版:Swiss Standards

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基本信息
标准编号: SN EN 61557-8:2007
标准类别:Standard
出版单位:Swiss Standards
标准页数:0
标准简介

Defines requirements for insulation monitoring devices for permanent monitoring of the insulation resistance to earth of unearthed IT a.c. systems, for IT a.c., in addition to unearthed d.c. systems having voltages up to 1500 V d.c. independent from measuring method.

本标准替代的旧标准

SN EN 61557-8:1997