UNE EN 61557-8-2008
UNE EN 61557-8-2008 标准详情
- 标准号:UNE EN 61557-8-2008
- 中文标题:
- 英文标题: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
- 标准类别:西班牙国家标准UNE
- 发布日期:
内容简介
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
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