电线电缆载流量表大全.docx

1、电线电缆载流量表大全载流量对照表导线截面积（mm）11.52.54610162535507095120150185载流量（25度）192432425575105138170215265325375430490断路器规格（A）102025405063100125160200250315350400铜芯线载流量表（1）铝芯线载流量表（2）导线截面（mm）11.52.54610162535507095120150185240及以上载流是截面倍数9876543.532.521.7载流量（A）9142332486090100123150210237.5300300370408断路器规格（A）610162

2、0253240506380100125160200250350注 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=In*1.7 In为设备额定电流I断=I线/1.2 I线为线径所承受的电流，I断为断路器额定电流In 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mV/M 紧挨一字型电压降mV/m 间距一字型电压降mV/m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/m 0.95 0.85 0.7 VVYJVVVYJVVVYJV

3、VVYJV11.5mm202530.8626.7326.7326.731616131830.86131330.8622.5mm283518.918.918.918.9233518.9182218.9183018.934mm385011.7611.7611.7611.76343811.76233411.76284011.7646mm 48607.867.867.867.8640557.8632407.8635557.86510mm65854.674.044.044.0555754.6745554.6748804.67616mm901102.952.552.562.55701082.960752.

4、665652.6725mm1151501.871.621.621.631001401.9801001.6861051.6835mm1451801.351.171.171.191251751.31051301.21081301.2950mm1702301.010.870.880.914521011301600.871381650.871070mm2202850.710.610.620.651902650.71652100.611752100.611195mm2603500.520.450.450.52303300.522002600.452202600.4512120mm3004100.430.

5、370.380.422704100.422353000.362553000.3613150mm3504800.360.320.330.373104700.352753500.33403600.314185mm4105400.30.260.280.333605700.293204100.254004150.2515240mm4806400.250.220.240.294306500.243904850.214704950.2116300mm5607400.220.20.210.285007000.214505600.195005800.1917400mm6508800.20.170.20.266

6、008200.1918500mm75010000.190.160.180.2519630mm88011000.180.150.170.2520800mm110013000.170.150.170.24211000mm130014000.160.140.160.24(U压降)计算公式=I总电流R总电阻 (I总电流)计算公式=P功率/U电压/cos功率因素0.80.85(R总电阻)计算公式= 导体电阻率*L线长/线截面积 ( 铜芯电缆电阻)：0.0174每米 (铝芯电缆电阻)：0.0283每米一、塑料绝绝电线在空气中穿管敷设的载流量（包括阻燃，耐火，不燃烧型）1，500V单芯聚氯乙烯绝缘电线在空气

7、中敷设长期连续负荷准许载流量，标称截面mm2长期连续负何准许载流量A相应电线表面温度铜芯铝芯07516-601019-6015241860253225604423260655426010755960161058060251381056035170130605021516560702652056095325250601203752856015043032560185490380602，500V单芯聚氯乙烯绝缘电线穿管时在空气中敷设长期连续负荷准许载流量，适用型号，BV,BLV导体线芯最高准许工温度；65周围环境温度；25标称截面mm2长期连续负荷准许载流量A穿二根电线穿三根电线穿四根电线铜芯铝芯

8、铜芯铝芯铜芯铝芯1014-13-11-1519151713161225262024182215435273124282264735413237281065495744503816826373566550251078095708565351331001159010580501651251451101301007020515518314316512795250190225170200152120290220260195230172150330250300225265200185380285340255300230113,，500V单芯聚氯乙烯绝缘电线穿塑管时在空敷设长期连续负荷准许载流量，适用型号

9、，BV,BLV,慢电线芯最高准许工作温度；65周围环境温度；25表称截面mm2长期连续负荷准许载流量A穿二根电线穿三根电线穿四根电线铜芯铝芯铜芯铝芯铜芯铝芯1012-11-10-1516131511513102524182116191443124282225196413136273225105642493844331672556549574425957385657557351209010580937050150114132102117907018514516713014811595230175205158185140120270200240180215160150305230275207250

10、1851853552653102352802124，聚氯乙烯绝缘软线，丁晴聚氯乙烯复合物绝缘软线，聚氯乙烯绝缘聚氯乙烯护套电缆在空气中敷设，长连许负荷准许载流量，适用型号；RV.,RVV,RVB,RVS,RFB,RFS,BVV,BLVV,导电线芯最高准许工作温度；65周围环境温度；25标称截面mm2长期连续负荷准许载流量A一芯电线二芯电线三芯电线铜芯铝芯铜芯铝芯铜芯铝芯0125-4-3-027-55-4-039-7-5-0411-85-6-05125-95-7-07516-125-9-119-15-11-1524-19-14-228-22-17-253225262020164423436262

11、622655434733322510575965515240二、0.6/1kv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空气温度30土攘温度25土壤热阻系数1。2.m/w 1000/m标称截面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铝1.524-20-17-34-27-22-2.53225282123184635352830234453436293124614747363931656434736393175585845493810806166515643105818062685216106838969765913810610

12、582896925143111117911027818013813310410783351751331431111229421816916412713110150223170180138154122265196201159159123702652072171701911483102392441861951509532925423818223318036928328021023117812038229727321127020741632332023826220115044533932524231324447436435527230023118551939237029836028153040840

13、7322337262240609472-429334617474-390301300705546-477376700530-451355400832641-820629-500965753-929710-6301134880-1060813-8001351049-1223938-三、0.6/1kv 3+1芯或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70 空气温度30。土壤温度25土壤热阻系数1。2m/w标称截面2在空气中在地下标称截面在空气中在地下铜铝铜铝mm2铜铝铜铝42822372870178136194148638284636952181682311

14、771051406147120253195263204166853806115029822830323325927110682185344263340263351158913010124039029139729850144111161124300438342448356四、0.6/1kv聚氯乙烯绝缘及护套电力电缆载流量适用型号vv22VLV22导导电线芯最高准许工作温度70。空气温30。土壤温度25土壤热阻系数；1.2标称截面mm2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4-37293224-453538296-48374032-564347371082646752574

15、510178775965501611185917077601321041027987662514311112292102801751321259710984251751381431111229521216414811513010050223175180138154122260201181140160123702762122171701911483072382201701951509533426024018523318037128627820822917612038729727821527020742433932022926220115044534531925431324448337536127

16、0299229185509398368292360281541419405310334257240615477-424334636493-386298300700541-477371721557-445350400832641-838647-500970747-955743-6301124875-1093849-80013461039-1284987-五、0.6/1kv3+1芯或4芯聚氯乙烯绝缘及护套电力电缆载流量适用型号vv22,vlv22导电线芯最高准许工作温度70空气温度30，土壤温度25土壤热阻系数；1。2标称截面mm2在空气中在地下标称截面mm2在空气中在地下铜铝铜铝铜铝铜铝4292

17、3362770184141196151639294636952261742341811052406147120260201267206167054816215030123130123125947310682185345266338261351199213410324039029438929050149115163125300447345440340六、0.6/1kv3+2芯4+1芯5芯聚氯乙烯绝缘电力电缆载流量1，适用型号VV,VLV,VV22,VLV22,导电线芯最高工作温度702，空气温度30，土壤温度25土壤热阻系数；1。2标称截面mm2非铠装铠装在空中在地下在空气中在地下铜铝铜铝铜铝铜

18、铝1515-20-2521162821-4262134272521332663725453336254432104636564345345441166047725558457053258264957580629574351088412396107821219450134100151113132981491107016512418113616212218013595203156216165200152212161120236183246192230180241187150281214287219275208280212185328246334251318236324241240367268374275352253360261300418330428341401314412325七、0.6/1kv.-1.8/3kv硅烷交联聚乙烯绝缘电力电缆载流量，