电线电缆导线选择查表

1、标称面积mE线芯结构on/mm绝缘厚度mm最大外径mm正25C空气敷 设载流量A成品近似重量 kg/km0.51*0.80.62.413.08.30.751*0.970.62.617.010.90.757*0.370.62.817.011.71.01*1.130.62.820.013.61.07*0.430.63.020.014.71.51*1.380.73.325.019.91.57*0.520.73.525.021.02.51*1.780.83.934.031.42.57*0.680.84.234.033.14.01*2.250.84.444.546.34.07*0.850.84.844.

2、549.06.01.2.760.84.958.066.06.07*1.040.85.458.069.410.07*1.351.07.079.5116.016.07*1.701.08.0111.0175.0257*2.141.210.0146.0275.0357*2.521.211.5180.0372.05019*1.781.413.0225.0496.07019*2.141.415.0280.0701.09519*2.521.517.5344.0969.012037*2.031.619.0397.5#15037*2.251.821.0455.5#18537*2.522.023.5519.0#2

3、4061*2.252.226.0#30061*2.522.429.5#40061*2.852.633.0#BVR型铜芯聚氯乙烯绝缘软电线（电缆）标称面 积m m2线芯结构on/mm绝缘厚度mm最大外径mm正25 C空气敷设载流量A成品近似 重量 kg/km33.02.519*0.410.84.234.04.019*0.520.84.844.549.06.019*0.640.85.658.071.010.049*0.521.07.679.2125.516.049*0.641.08.8111.0181.025.098*0.581.211.0146.0302.035.0133*0.581.212.5

4、180.0395.050.0133*0.681.414.5225.0544.070.0189*0.681.416.0280.0728.0表 室内BV绝缘线穿钢管敷设时的安全载流量及钢管(SC)管径(mm)对照表截面二根三根四根mm225 C30 C35 C40 CSC25 C30 C35 C40 CSC25 C30 C35 C40CSC1.014131211151312111015111098151.51917161515171514131516141312152.52624222015242220181522201917154.03532302715312826241528262422156

5、.04743403715413835321537343229201065605651205753494520504643392516827670642573686357256560565125251071009284259588827532857973673235133124116105321151079990321059890833250165154142130321461361261154013012111210250702051911771625018317115814450165154142130509525023321619750225210194177502001871731587

6、0120290271250229502602432242055023021519818170150330308285261703002802592377026524722920970185380355328300703403172942687030028025923780表塑料绝缘电线空气中敷设长期负载下的载流量(电线型号为BLV、BV、BVR、RVB、RVS、RFB、RFS,线芯允许温度为+65C)标称截面mm2铝芯(A)铜芯(A)标称截面mm2铝芯(A)铜芯(A)0.471062850.5916851100.611201001300.714251101500.817351401801152

7、0501752301.519257022529022229952703502.5263412033043032836150380500434451854505805385024054071064457300630820854704007701000表35kV及以下电压电缆在不同环境温度下载流量的校正系数环境温度/C空气中土壤中3035404520253035线芯最高工作温度/C601.21.111.00.861.071.00.930.85651.181.091.00.891.061.00.940.87701.151.081.00.911.051.00.940.88801.111.061.00.

8、931.041.00.950.90901.091.051.00.941.041.00.960.92表电缆直接埋地多根并列敷设时载流量的校正系数电缆间净距/mm并列根数1234561001.00.90.850.80.780.752001.00.920.870.840.820.813001.00.930.900.870.860.85表不同土壤热阻系数时电缆持续载流量的校正系数土壤热阻系数/ (Cm/W)0.81.21.52.03.01.051.00.930.870.75表 各种电压选用电缆截面积参考表电压电缆截面积/mm2220/380V240 185 150 12010kV300 240 185 12035kV300 240 185 150按械强度选择的方法1.架空导线截面不得小于下表要求。表架空导线截面按械强度选择导线截面(mm2)铜线铝线绝缘线裸线绝缘线铝绞线钢芯铝绞线室外610102516接户线必须用绝缘线，铜线用截面不小于4mm2，铝线用截面不小于6mm2。2.固定敷设的导线最小线芯截面应符合下表的规定。表固定敷设的导线最小线芯截面敷设方式最小线芯截面mm2铜芯铝芯裸导线