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IEC 60077-4:2019現(xiàn)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
標(biāo)準(zhǔn)編號： IEC 60077-4:2019
發(fā)布時間：2019/10/25 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：International Electrotechnical Committee
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
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.
