电线电缆载流量表

1、载流量对照表铜芯线载流量表（1）铝芯线载流量表（2）载流是截面倍数9876543.532.521.5载流量9142332486090101215212330303736(A03007.00005断路器规61016253250638010121620250315格(A)20400500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=1 n*1.7In为设备额定电流I断=1线/1.2 I线为线径所承受的电流，I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_序号铜电线型号单芯载流量(A)电压 降 mV/m品字 型

2、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/m0.95 085 0.7VVYJVVVYJVVVYJVVVYJV11.5mm2202530.86 :26.73 25.73 26.731616131830.86131330.8622.5mm2283518.918.918.918.9233518.9182218.9183018.934mm2385011.7611.76 11.76 11.76343811.76233411.76284011.7646mm 248

3、607.867.867.867.8640557.8632407.8635557.86510mm265854.674.044.044.0555754.6745554.6748804.67616mm2901102.952.552.562.55701082.960752.665652.6725mm21151501.871.621.621.631001401.9801001.6861051.6835mm21451801.351.171.171.191251751.31051301.21081301.2950mm21702301.010.870.880.914521011301600.871381650

4、.871070mm22202850.710.610.620.651902650.71652100.611752100.611195mm22603500.520.450.450.52303300.522002600.452202600.4512120mm2:3004100.430.370.380.422704100.422353000.362553000.3613150mm2:3504800.360.320.330.373104700.352753500.33403600.314185mm2:4105400.30.260.280.333605700.293204100.254004150.251

5、5240mm2:4806400.250.220.240.294306500.243904850.214704950.21163OOmm2:5607400.220.20.210.285007000.214505600.195005800.1917400mm2:6508800.20.170.20.266008200.1918500mm2:75010000.190.160.180.2519630mm2:88011000.180.150.170.2520800mm2:110013000.170.150.170.24211000mm：! 130014000.160.140.160.240.6/1kv聚氯

6、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。2 °C .m/w1000/m标称截面2mm在空气中在地下一芯心二芯一芯心二芯铜铝铜铝铜铝铜铝铜铝铜铝1.524-20-17-34-27-22-2.5322528212318463535283023445343629312461474736393165643473639317558584549381080616651564310581806268521610683896976591381061058289692514311111791102781

7、80138133104107833517513314311112294218169164127131101502231701801381541222651962011591591237026520721717019114831023924418619515095329254238182233180369283280210231178120382297273211270207416323320238262201150445339325242313244474364355272300231185519392370298360281530408407322337262240609472-429334

8、617474-390301300705546-477376700530-451355400832641-820629-500965753-929710-630113880-106813-40800135104-122938-930.6/1kv3+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 70C空气温度30 C。土壤温度25 C土壤热阻系数1。2 °C m/w标称截面mm 2在空气中在地下标称截面2mm在空气中在地下铜铝铜铝铜铝铜铝428223728701781361941486382846369521816823117710514061

9、47120253195263204166853806115029822830323325927110682185344263340263351158913010124039029139729850144111161124300438342448356二0.6/1kv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70C。空气温30C。土壤温度25C土壤热阻系数；1.2 C标称截面mm在空气中在地下一芯二心二心一芯二心二心铜铝铜铝铜铝铜铝铜铝铜铝4-37293224-453538296-48374032-564347371082646752574510178

10、775965501611185917077601321041027987662514311112292102801751321259710984251751381431111229521216414811513010050223175180138154122260201181140160123702762122171701911483072382201701951509533426024018523318037128627820822917612038729727821527020742433932022926220115044534531925431324448337536127029922

11、9185509398368292360281541419405310334257240615477-424334636493-386298300700541-477371721557-445350400832641-838647-500970747-955743-6301124875-1093849-80013461039-1284987-0.6/1kv3+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 VV 22, vlv 22 导电线芯最高准许工作温度70 C空气温度30C, , 土壤温度25C 土壤热阻系数；1。2C标称截面mm在空气中在地下标称截面mm在空气中在地下铜铝铜铝铜铝铜铝

12、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,VV 22,VLV 22,导电线芯最高工作温度 70C2,空气温度30C, 土壤温度25C土壤热阻系数；1。2C标称截面mrh非铠装铠装在空中在地下在

13、空气中在地下铜铝铜铝铜铝铜铝1. 515-20-2. 521162821-42621342725213326637254533362544321046365643453454411660477255584570532582649575806295743510884123961078212194501341001511131329814911070165124181136162122180135952031562161652001522121611202361832461922301802411871502812142872192752082802121853282463342513182363

14、24241240367268374275352253360261300418330428341401314412325四，单芯铜导体交联聚乙烯绝缘电力电缆载流量适用型号，YJV,YJV 22 YJY”YjV 32,YJV 33, 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标称截面单芯标称截面单芯2mm在土壤中在空气中2mm在土壤中在空气中251601422405405503518717530060164650220206400680757702762605007728579533032063086197012037036180096011031504

15、10471100010391237185456475120011171321五，0. 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 C空气温度30C, , 土壤温度25C土壤热阻系数；1.2 C标称截面mrri非铠装铠装在空气中在地下在空气中在地下一芯心二心一芯心二心一芯心二心一芯心二心铜铜铜铜铜铜铜铜铜铜铜铜1 . 5312622443528-2. 5413630594538-4. 0584640786050-4640-5

16、7486. 0726050967463-6051-71601010285721341028710585721299883161361149717713411414211698168130111251831501312301701371831561302251601313522415015627921016822418315627118916250285183197339257204285230197332231204703392302443973122503532772453922812499542127829847235829642830729846435529312048930534653

17、2410335495355345524400355150570350401607454384569408400608438382185664416461678512431651471457662502427240745474549760-499768-542764-494300902-611896-577896-610882-569400995-678990-642991-670987-6385001135-1089-1130-1022-6301352-1257-1350-1239-8001637-1465-1633-1440-注；表中计算值为铜芯载流量。铝芯载流量为铜芯的1/1 0 29倍六

18、，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 C空气温度；30 C土壤温度；25 C土壤热阻系数；1.2 C标称截面mrh3+100 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2.52226-20264283528342734636463646324210516051604655166878697960702591104931048296351141291171311081225014215814716012

19、81447017418918019015917495215226222231200211120250261257262234245150292298295295274280185337338340334315321240372382376371343352300438456441435422436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,Y JV22,电压等级，6/6,6/10kv电压等级6/6,6/10kv电压等级6/6,6/10kv标称截面单芯标称截面单芯2mm在土壤中在空气中2mm在土壤中在空气中

20、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,yjv 22,电压等级，8。7/10,，8。7/15kv电压等级8. 7/10，8。7/15kv电压等级8.7/10,8.7/15kv标称截面2 mm单芯标称截面2 mm单芯在土壤中在空气中在土壤中在空气中251601422405405

21、57351871753006006485022720640068275570278260500772856953313206308619701203803608009601103150412417100010091237185457480120010391321九，单芯铝导体交联聚氯乙烯绝缘电力电缆载流量,适用型号，Y JLV, YJL YJLV22, Y JLW,电压等级，3。6/6kv,电压等级3.6/6kv电压等级3.6/6kv标称截面单芯标称截面单芯2mm在土壤中在空气中2mm在土壤中在空气中25129125240417441351401383004695085018216940053

22、058770207207500601687952492486306978021202892908007719271503213411000867104018536037512009171127十，单芯铝导体交联聚氯乙烯绝缘电力电缆载流量,适用型号，Y JLV, YJLY,Y JLV 22, YJL Y 22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标称截面单芯标称截面单芯2mm在土壤中在空气中2mm在土壤中在空气中2513012724042044035141139300467508501831674005325877020620050

23、0600687952502496306968001202902908007709261503203401000867103818536137612009171121十一，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,YJLV 22, YJLYz电压等级，8。7/10，8。7/15，电压等级8.7/10KV,.8.7/15KV电压等级8.7/10KV.,8.7/15KV标称截面单芯标称截面单芯2mm在土壤中在空气中2mm在土壤中在空气中25130125240420447351421383004695075018116940053158670205205500600687

24、952482466306978021202892918007729261503203421000867104118536138112009171128十二，三芯铜导体交联聚乙烯绝电力电缆载流量,适用型号，YJV,YJY,Y JV22, YJY2电压等级6/6KV电压等级6/6KV标称截面三芯标称截面三芯2mm在土壤中在空气中22mm在土壤中在空气中2515013624053052035184167300600594502212004007025925250095320299630120360341800150413395100018548543361200电压等电压等级8.7/10KV,8.7

25、/15KV电压等级8.7/10KV,8.7/15KV级，3。6/6KV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，丫JV,YJY,YJV 22, YJY2电压等级，6/6KV,6/10KV电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截面三芯标称截面三芯2mm在土壤中在空气中2mm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，Y JV, YJY,Y JV22, YJY 2

26、2,电压等级，8。7/10KV,8.7/15KV,标称截面2 mm二心标称截面2 mm二心在土壤中在空气中在土壤中在空气中2515113712036435935184168150416390502232001854564477026925024053252095325299300600584十五，二心 铝导 体交 联聚 乙烯 绝缘电力电缆载流量，适用型号，YJLV,YJLY,YJLV 22,YJLY 22电压等级，3.6/6KV电压等级3.6/6KV电压等级3.6/6KV标称截面二心标称截面二心2mm在土壤中在空气中2mm在土壤中在空气中2511210624040039435130132300

27、460455501731587020918595247226120275263150321301185350335十六，三芯铝导体交联聚乙浠绝缘电力电缆载流量,适用型号，YJLV,YJLY,YJLV 22, YJL*电压等级，6/6KV,6/10KV,电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截面三芯标称截面三芯2mm在土壤中在空气中2mm在土壤中在空气中2511010224040439835129133300462457501741597021018795239223120277265150325305185357337十七，三芯铝导体交联聚乙烯绝缘电力电缆载流量,

28、适用型号，YJLV, YJLY, YJLV2, YJLW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2 mm三芯标称截面2 mm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 C,周围环境温度；3

29、0 C导体材料铜铝截面，mrh聚氯乙烯(PVC)聚乙烯(PE)聚氯乙烯(PVC)聚乙烯(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 90C，空气环境温度 30C标称截面mrh一芯二芯铝铜铝铜1693115871122

30、510413210012935127161120155501551901481917019525118023295238300220284120274350250323150318400280361185350462320412240410550376480二十，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，标称截面长期连续负何准许载流量 A相应电线表面温度C2mm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 C周围环境温度；25 °C标称截面mm长期连续负荷准许载流量