SS EN 61557-8 Ed. 1
SS EN 61557-8 Ed. 1 标准详情
- 标准号：SS EN 61557-8 Ed. 1
- 中文标题：
- 英文标题：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
- 标准类别：新加坡SS
- 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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