300/500V227IEC01(BV)型电线电缆重量及载流量参考标称截面mm2导体种类绝缘厚度规定值 mm平均外径上限mm20°C 时导体电阻最大值(Q/km)允许载流量 A参考重量 kg/km1.510.73.312.12419.21.520.73.412.12419.82.510.83.97.413230.82.520.84.27.413232.5410.84.44.614245420.84.84.614245610.84.93.085565.5620.85.43.085567.11021.06.81.83751081621.08.01.151051632521.29.80.7271382563521.211.00.5241703465021.413.00.3872154707021.415.00.2632656629521.617.00.19332591212021.619.00.153375114015021.821.00.124430140018522.023.50.0991460175824022.226.50.07545502300300/500V227IEC01(BVR)型电线电缆重量及载流量参考BVR 型 450/750V 铜芯聚氯乙烯绝缘电线标称截面 mm2绞合导体中单线最少根数绝缘厚度规定值 mm平均外径上限mm20°C 时导体电阻最大值(Q/km)允许载流量 A参考重量kg/km2.5190.84.17.413232.24190.84.84.614246.96190.85.33.085568.810491.06.81.837512016491.08.11.1510517225981.210.20.727138283351331.211.70.524170372501331.413.90.387215512701891.416.00.268265710BVVB、BLVVB 型 300/500V 铜、铝芯 PVC 绝缘护套扁型电缆标称截面mm2实心导体中单线最少根数绝缘厚度规定值mm平均外径上限 mm20°C 时导体电阻最大值（Q/km）允许载流量 A参考重量 kg/km下限上限铜铝铜铝铜铝2x0.7510.63.8x5.94.6x7.124.5-12.5-41.5-2x1.010.63・9x6・14.8x7.418.1-15-48.1-2x1.510.74.4x7.05.3x8.512.1-19-63.7-2x2.510.85.1x8.46.2x10.17.4112.1262094.363.52x410.85.6x9.26.7x11.14.617.41362612778.52x470.85.7x9.56.9x11.54.61-3626133-2x610.86.2x10.47.5x12.53.084.6147331741002x670.86.4x10.87.8x13.03.08-4733181-2x1071.07.9x13.49.5x16.21.833.0865512781623x0.7510.63.8x7.94.6x9.624.5-9-58.6-3x1.010.63.9x8.44.8x10.118.1-11-68.4-3x1.510.74.4x9.65.3x11.712.1-14-91.5-3x2.510.85.1x11.66.2x14.07.4112.1201613589.03x410.85.8x13.17.0x15.84.617.4126221901163x470.85.9x13.57.1x16.34.61-2622198-3x610.86.2x14.57.5x17.53.084.6132252551443x670.86.4x15.17.8x18.23.08-3225264-3x1071.07.9x19.09.5x23.01.833.085240408234YJV 交联聚乙烯绝缘电力电缆重量外径载流量参考0.6/1kV 单芯交联聚乙烯绝缘（钢带铠装）电力电缆标称截面mm2绝缘标称厚度mm电缆最大外参考重量 kg/km20°C 导体直流电...
