IEC 61557-3 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 3: Loop impedance
出版：International Electrotechnical Committee
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基本信息
标准编号： IEC 61557-3 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：15
标准简介
Specifies requirements for equipment for measuring the loop impedance between a phase conductor and the protective conductor or between a phase conductor and neutral or between two phase conductors by using the voltage drop when the circuit under test is loaded.
替代本标准的新标准
等同采用的国际标准
BS EN 61557-3:1997 - Identical
