电线电缆载流量表

载流量对照表导线截面积（mm²）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（mm²）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）6101620253240506380100125160200250315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 VVYJVVVYJVVVYJVVVYJV11.5mm²202530.8626.7326.7326.731616131830.86131330.8622.5mm²283518.918.918.918.9233518.9182218.9183018.934mm²385011.7611.7611.7611.76343811.76233411.76284011.7646mm ²48607.867.867.867.8640557.8632407.8635557.86510mm²65854.674.044.044.0555754.6745554.6748804.67616mm²901102.952.552.562.55701082.960752.665652.6725mm²1151501.871.621.621.631001401.9801001.6861051.6835mm²1451801.351.171.171.191251751.31051301.21081301.2950mm²1702301.010.870.880.914521011301600.871381650.871070mm²2202850.710.610.620.651902650.71652100.611752100.611195mm²2603500.520.450.450.52303300.522002600.452202600.4512120mm²3004100.430.370.380.422704100.422353000.362553000.3613150mm²3504800.360.320.330.373104700.352753500.33403600.314185mm²4105400.30.260.280.333605700.293204100.254004150.2515240mm²4806400.250.220.240.294306500.243904850.214704950.2116300mm²5607400.220.20.210.285007000.214505600.195005800.1917400mm²6508800.20.170.20.266008200.1918500mm²75010000.190.160.180.2519630mm²88011000.180.150.170.2520800mm²110013000.170.150.170.24211000mm²130014000.160.140.160.240.6/1kv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℃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1.524-20-17-34-27-22-2.532252821231846353528302344534362931246147473639316564347363931755858454938108061665156431058180626852161068389697659138106105828969251431111179110278180138133104107833517513314311112294218169164127131101502231701801381541222651962011591591237026520721717019114831023924418619515095329254238182233180369283280210231178120382297273211270207416323320238262201150445339325242313244474364355272300231185519392370298360281530408407322337262240609472--429334617474--390301300705546--477376700530--451355400832641----820629----500965753----929710----6301134880----1060813----8001351049----1223938---0.6/1kv3+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℃l 空气温度30℃。

土壤温度25℃土壤热阻系数12℃m/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℃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--5643473710826467525745101787759655016111859170776013210410279876625143111122921028017513212597109842517513814311112295212164148115130100502231751801381541222602011811401601237027621221717019114830723822017019515095334260240185233180371286278208229176120387297278215270207424339320229262201150445345319254313244483375361270299229185509398368292360281541419405310334257240615477--424334636493--386298300700541--477371721557--445350400832641----838647----500970747----955743----6301124875----1093849----80013461039----1284987----20.6/1kv3+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42923362770184141196151639294636952261742341811052406147120260201267206167054816215030123130123125947310682185345266338261351199213410324039029438929050149115163125300447345440340三，0．6/1kv3+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70℃2，空气温度30℃，土壤温度25℃土壤热阻系数；12℃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铝1．515-20-----2．521162821----4262134272521332663725453336254432104636564345345441166047725558457053258264957580629574351088412396107821219450134100151113132981491107016512418113616212218013595203156216165200152212161120236183246192230180241187150281214287219275208280212185328246334251318236324241240367268374275352253360261300418330428341401314412325四，单芯铜导体交联聚乙烯绝缘电力电缆载流量适用型号，YJV,,,YJV22,,,,YJY,,YjV32,,YJV33，，42，，，43电缆电压等级，，3.6/6kv电压等级3.6/6kv电压等级3．6/6kv标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中25160142240540550351871753006016465022020640068075770276260500772857953303206308619701203703618009601103150410471100010391237185456475120011171321五，0．6/1kv.-1.8/3kv硅烷交联聚乙烯绝缘电力电缆载流量，[该产品的阻燃，耐火产品的载流量参照此计算徝选择]1，1-3芯电缆的载流量见表7适用型号；YJV,YJLV,YJY,,[包括钢带凯装]导体最高准许工作温度90℃空气温度30℃，，土壤温度25℃土壤热阻系数；1.2℃标称截面mm2非铠装铠装在空气中在地下在空气中在地下一芯二芯三芯一芯二芯三芯一芯二芯三芯一芯二芯三芯铜铜铜铜铜铜铜铜铜铜铜铜1．5312622443528------2．5413630594538------4．0584640786050-4640-57486．0726050967463-6051-716010102857213410287105857212998831613611497177134114142116981681301112518315013123017013718315613022516013135224150156279210168224183156271189162502851831973392572042852301973322312047033923024439731225035327724539228124995421278298472358296428307298464355293120489305346532410335495355345524400355150570350401607454384569408400608438382185664416461678512431651471457662502427240745474549760-499768-542764-494300902-611896-577896-610882-569400995-678990-642991-670987-6385001135--1089--1130--1022--6301352--1257--1350--1239--8001637--1465--1633--1440--注；表中计算值为铜芯载流量。

铝芯载流量为铜芯的1/129倍六，3+1，3+2，4+1，4芯，5芯电缆载流量，适用型号；yjv,,yjy,yjlv,yjly(包括钢带，铠装)导体最高准许工作温度；90℃空气温度；30℃土壤温度；25℃土壤热阻系数；1.2℃标称截面mm23+1或，4芯3+2，或，4+1，或5心非铠装铠装非铠装铠装在空气中在地下在空气气在地下在空气中在地下在空气中在地下铝铝铝铝铝铝铝铝2.52226--2026428352834273463646364632421051605160465516687869796070259110493104829635114129117131108122501421581471601281447017418918019015917495215226222231200211120250261257262234245150292298295295274280185337338340334315321240372382376371343352300438456441435422436注，表中给出计算值是铝芯载流量，铜芯栽流量为铝芯的1.29倍，七，单芯铜导体交联聚氯乙烯绝缘电力电缆载流量，适用型号，YJV,YJY,YJV22,电压等级，6/6,,6/10kv电压等级6/6,,6/10kv电压等级6/6,,6/10kv标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中25161142240538550351881753006006475022120740068178570287260500770857953313206308629701203673608009571103150400412100010401237185456475120011481319八，单芯铜导体交联聚氯乙烯绝缘电力电缆栽流量，适用型号，yjv,,yjy,,,yjv22,,电压等级，8。

7/10，，87/15kv电压等级8．7/10，87/15kv电压等级8.7/10,8.7/15kv标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中25160142240540557351871753006006485022720640068275570278260500772856953313206308619701203803608009601103150412417100010091237185457480120010391321九，单芯铝导体交联聚氯乙烯绝缘电力电缆载流量，适用型号，YJLV,YJLY,JLV22,YJLY22,电压等级，36/6kv,电压等级3.6/6kv电压等级3.6/6kv标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中25129125240417441351401383004695085018216940053058770207207500601687952492486306978021202892908007719271503213411000867104018536037512009171127十，单芯铝导体交联聚氯乙烯绝缘电力电缆载流量，适用型号，YJLV,,YJLY,YJLV22,,YJLY22电压等级，6/6KV,6/10KV,电压等级6/6kv,,6/10,kv电压等级6/6kv,,6/10kv标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中251301272404204403514113930046750850183167400532587702062005006006879525024963069680012029029080077092615032034010008671038185361376120091711217十一，单芯铝导体交联聚氯乙烯绝缘电力电缆栽流量，适用型号，YJLV,YJLY,,YJLV22,,YJLY22,电压等级，8。

7/10，87/15，电压等级8.7/10KV,.8.7/15KV电压等级8.7/10KV.,8.7/15KV标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中25130125240420447351421383004695075018116940053158670205205500600687952482466306978021202892918007729261503203421000867104118536138112009171128十二，三芯铜导体交联聚乙烯绝电力电缆载流量，适用型号，YJV,YJY,YJV22,YJY22电压等级6/6KV电压等级6/6KV标称截面mm2三芯标称截面mm22三芯在土壤中在空气中在土壤中在空气中2515013624053052035184167300600594502212004007025925250095320299630120360341800150413395100018548543361200电压等级，36/6KV十三，三芯铜导体交联聚乙烯绝缘电力电缆载流量，适用型号,YJV,YJY,YJV22,YJY22电压等级，6/6KV,6/10KV电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中25150137240532520351841683006055935022020070260252953232981203643401504143951854594368十四，三芯铜导体交联绝缘电力电缆载流量，适用型号，YJV,YJY,YJV22,,YJY22,电压等级，8。

7/10KV,8.7/15KV,电压等级8.7/10KV,,8.7/15KV电压等级8.7/10KV,,8.7/15KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中2515113712036435935184168150416390502232001854564477026925024053252095325299300600584十五，三芯铝导体交联聚乙烯绝缘电力电缆载流量，适用型号，YJLV,,YJLY,,YJLV22,,YJLY22电压等级，3.6/6KV电压等级3.6/6KV电压等级3.6/6KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中2511210624040039435130132300460455501731587020918595247226120275263150321301185350335十六，三芯铝导体交联聚乙浠绝缘电力电缆载流量，适用型号，YJLV,,YJLY,,YJLV22,,YJLY22,电压等级，6/6KV,,6/10KV,电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中25110102240404398351291333004624575017415970210187952392231202772651503253051853573379十七，三芯铝导体交联聚乙烯绝缘电力电缆载流量，适用型号，YJLV，YJLY，YJLV22，YJLY22电压等级，8。

7/10KV,,8.7/15KV,电压等级8.7/10KV,8.7/15KV电压等级8.7/10KV,8.7/15KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中2511610812027326035132134150320305501751491853573397020818724041040095247219300465460十八，架空绝缘电缆栽流量，1，1KV及以下架空绝缘电缆在空气中敷设时栽流量，适用型号，JKV,,JKLV,,JKY,,JKLY,导电线芯最高准许温度70℃，周围环境温度；30℃导体材料铜铝截面，mm2聚氯乙烯聚乙烯聚氯乙烯聚乙烯(PVC)(PE)(PVC)(PE)1610210479812513814210711135170175132136502092161621687026627520721495332344257267120384400299311150442459342356185515536399416240615641476497十九，10KV,,35KV,交联聚氯乙烯绝缘架空电缆在空气中的载流量，适用型号，JKYJ,JKLYJ(JKY,JKLY),导体长期工作温度90℃，空气环境温度30℃标称截面mm2一芯三芯铝铜铝铜1693115871122510413210012935127161120155501551901481917019525118023295238300220284120274350250323150318400280361185350462320412240410550376480二十，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0．7516-601．019-601．52418602．53225604423260655426010755960161058060251381056035170130605021516560702652056095325250601203752856015043032560185490380602，500V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铜芯铝芯铜芯铝芯1．014-13-11-1．51915171316122．5262024182215435273124282264735413237281065495744503816826373566550251078095708565351331001159010580501651251451101301007020515518314316512795250190225170200152120290220260195230172150330250300225265200185380285340255300230113,，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，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1．012-11-10-1．516131511．513102．5241821161914431242822251964131362732251056424938443316725565495744259573856575573512090105809370501501141321021179070185145167130148115952301752051581851401202702002401802151601503052302752072501851853552653102352802124，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0．125-4-3-0．27-5．5-4-0．39-7-5-0．411-8．5-6-0．512．5-9．5-7-0．7516-12．5-9-119-15-11-1．524-19-14-228-22-17-2．5322526202016442343626262265543473332251057596551524030__________________________________________________。