IEC 60077-4:2019现行
Railway applications – Electric equipment for rolling stock – Part 4: Electrotechnical components – Rules for AC circuit-breakers
出版：International Electrotechnical Committee
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基本信息
标准编号： IEC 60077-4:2019
发布时间：2019/10/25 0:00:00
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：0
标准简介
In addition to the general requirements of IEC 60077-2, this part of IEC 60077 gives rules for AC circuit-breakers, the main contacts of which are connected to AC overhead contact lines; the nominal voltage of these circuits being in accordance with IEC 60850.
