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1、电线电缆载流量表正式版载流量对照表铜芯线载流量表（1）导线截面 积（mm）11.52.54610162535507095120150185载流量 （25 度）192432425575105138170215265325375430490断路器规 格（A）102025405063100125160200250315350400铝芯线载流量表（2）导线截面（mr2 ）11.52.54610162535507095120150185240载流是截 面倍数9876543.532.521.5载流量（A）9142332486090100123150210237.5300300370360断路器规 格（A）
2、6101620253240506380100125160200250315线径选择一般为设备额定电流的1.7倍.由于断路器需要保护线路所以断路 器的额定电流应小于导线所能承受的电流I线=1 n*1.7 In为设备额定电流I断=1线/1.2I线为线径所承受的电流断为断路器额定电流I* I断 I线裸导线的许用电流可提高50%序 号铜电线型号单芯载流量（A）电压 降 mV/m品字 型电 压降紧挨一字型电间距 一字 型电两芯载 流量（A）电压 降 mV/m三心载 流量（A）电压 降 mV/m四心载 流量（A）电压 降 mV/mmV/M压降mV/m压降mV/m0.95 0.85 0.7VVYJVVVYJ
3、VVVYJVVVYJV!11.5mn2202530.86 :26.73 26.73 26.731616131830.86131330.8622.5mn2283518.918.918.918.9233518.9182218.9183018.934mm385011.7611.76 11.76 11.76343811.76233411.76284011.7646mm248607.867.867.867.8640557.8632407.8635557.86510mm65854.674.044.044.0555754.6745554.6748804.67616mm901102.952.552.562.5
4、5701082.960752.665652.6725mm1151501.871.621.621.631001401.9801001.6861051.6835mm1451801.351.171.171.191251751.31051301.21081301.2950mm1702301.010.870.880.914521011301600.871381650.871070mm2202850.710.610.620.651902650.71652100.611752100.611195mm2603500.520.450.450.52303300.522002600.452202600.4512 2
5、0mn23004100.430.370.380.422704100.422353000.362553000.3613 50mn23504800.360.320.330.373104700.352753500.33403600.314 85mn24105400.30.260.280.333605700.293204100.254004150.2515 :240mn24806400.250.220.240.294306500.243904850.214704950.2116 :300mn25607400.220.20.210.285007000.214505600.195005800.1917 4
6、I00mn26508800.20.170.20.266008200.1918 5)00mn275010000.190.160.180.2519 6530mn288011000.180.150.170.2520 8J00mn21100 13000.170.150.170.24211000mm2130014000.160.140.160.240.6/1kv聚氯乙烯绝缘电力电缆载流量阻燃耐火型亦参照此表适用型号vv.vLv导电线芯最高工作温度 70 C空气温度30 C土攘温度25 C土壤热阻系数1 。 2C .m/w1000/m标称截面伽2在空气中在地下一芯二芯三芯一芯二芯三芯铜铝铜铝铜铝铜铝铜铝铜
7、铝1.524-20-17-34-27-22-2.532252821231846353528302344534362931246147473639316564347363931755858454938108061665156431058180626852161068389697659138106105828969251431111179110278180138133104107833517513314311112294218169164127131101502231701801381541222651962011591591237026520721717019114831023924418619
8、515095329254238182233180369283280210231178120382297273211270207416323320238262201150445339325242313244474364355272300231185519392370298360281530408407322337262240609472-429334617474-390301300705546-477376700530-451355400832641-820629-500965753-929710-6301134880-1060813-8001351049-1223938-0.6/1kv3+1芯
9、或4芯聚氯乙烯绝缘及护套电力电缆的载流量2适用型号vv.vLv导电线芯最高工温度70C空气温度30 C。土壤温度 25 C 土壤热阻系数1。2C m/w标称截面2 mm在空气中在地下标称截面2 mm在空气中在地下铜铝铜铝铜铝铜铝42822372870178136194148638284636952181682311771051406147120253195263204166853806115029822830323325927110682185344263340263351158913010124039029139729850144111161124300438342448356二0.6/1kv聚氯乙烯绝缘及护套电力电缆载流量适用型号VV22- VLV22导导电线芯最高准许工作温度70 C。空气温30 C。土壤温度25 C土壤热阻系数；1.2 C标称截面2 mm在空气中在地下一芯二芯三芯一芯二芯三芯铜铝铜铝铜铝铜铝铜铝铜铝4-37293224-453538296-48374032-5643
