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IEC60502-1-2021额定电压从1kV(Um1.2kV)到30kV(Um36kV)的挤压绝缘电力电缆及其附件.第1部分:额定电压从1kV(Um1.2kV)到3kV(Um3.6kV)的电缆
2021年的最新标准!
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IEC 60502-1-2021 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV).pdf
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与老版有什么区别?
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