电线电缆常用结构尺寸表

电线电缆常用结构尺寸表序适用产品规格单线

标称

直径单线直径控制范围mm各道次配模参照表吹干模截面结构拉丝设备进线规格模1模2模3模4模5模6模7模8模9模10模11模12成品模上下111/1.141.141.14-1.15中拉3.0————2.812.512.242.001.781.591.421.271.171.161.16521.51/1.371.371.36-1.37中拉3.0——————2.692.402.141.911.701.521.401.411.41532.51/1.761.761.76-1.77中拉3.0————————2.762.462.191.961.791.811.815441/2.232.232.23-2.24大拉8.06.55.324.443.733.182.732.37—————2.262.282.285561/2.752.752.75-2.76大拉8.06.55.324.443.733.18———————2.782.802.8056107/1.331.331.33-1.34中拉3.0——————2.632.342.091.8661.6651.491.351.381.3857167/1.681.681.68-1.69中拉3.0————————2.632.342.091.881.711.731.7358257/2.092.092.09-2.10大拉8.06.55.324.443.733.182.732.37—————2.122.142.145935～3002.532.532.53-2.54大拉8.06.55.324.443.733.182.73------2.552.572.57510坯线3.03.02.98-3.0大拉8.06.55.324.443.733.18——————3.01--表1、铜大拉、铜中拉拉丝工艺参数表拉丝工艺尺寸数据表序适用产品单线

标称

直径单线直径

控制范围mm进线

规格各道次配模参照表吹干模截面结构模1模2模3模4模5模6模7模8模9模10模11模12模13模14模15模16成品模上下1BVR-2.519/0.410.410.40-0.413.02.632.342.081.851.641.461.301.151.0240.9100.8090.7190.6390.5680.5050.4490.4150.420.4252BVR-17/0.430.430.42-0.433.02.762.452.181.941.721.531.361.211.070.9550.8480.7540.6700.5960.5300.4710.4350.440.4453BVR-1.57/0.520.520.51-0.523.0——2.632.342.081.851.641.461.301.151.030.9120.8110.7210.6410.5690.5250.530.535BVR-419/0.52BVR-1049/0.524BVR-2598/0.580.580.575-0.583.0———2.632.342.081.851.641.461.291.141.0170.9040.8040.7140.6350.5850.590.595BVR-35133/0.585BVR-619/0.640.640.63-0.643.0———2.882.562.282.021.801.601.421.261.120.9980.8870.7880.7010.6450.650.655BVR-1649/0.646BVR-50133/0.680.680.675-0.683.0————2.722.422.151.911.701.511.341.191.0600.9420.8380.7450.6850.690.695BVR-70189/0.68BVR-95259/0.687BVR-120266/0.740.740.735-0.743.0—————2.6272.3352.0761.8451.6401.4581.2961.1541.0260.9120.8110.7450.750.755BVR-150336/0.74BVR-185427/0.748BVR-240427/0.850.850.845-0.853.0——————2.6872.3882.1231.8871.6771.4911.3251.1781.0470.9310.8550.860.865BVR-300513/0.85BVR-400703/0.85表2、铜小拉拉丝配模参照表（直径公差控制、配模表、吹干模、模具材质CD聚晶/进口聚晶/天然金刚石）序出线直径mm出线速度（±3m/s）退火电流（±10A）退火电压（±5V）备注1小拉0.37、0.41、0.4321704520.49、0.52、0.5820805030.64、0.6818905040.74141005050.80、0.851410050序出线直径mm出线速度（±3m/s）退火电流（±10A）退火电压（±5V）备注1中拉0.80、0.85149002820.97149002831.131410002841．38、1.35、1.331210003051.78、1.76、1.7412110030序出线直径mm出线速度（±3m/s）退火电流（±10A）退火电压（±5V）备注1大拉2.1、2.081218003222.24、2.201018003232.46、2.521018003242.76、2.741022003452.85、2.881024003663.010//TY表3、退火电压、退火电流参照表（允许根据实际情况适当调整，以检测结果符合要求为准）：4、拉丝退火工序质量控制要求

圆铜线表面应光洁，不得有斑疤、裂口、毛刺、起皱、起槽、夹杂物和油污等任何有损于产品质量的缺陷。

圆铜线的尺寸偏差、退火圆铜线的机械性能、电性能（20℃电阻率）应分别符合下表的规定。圆铜线尺寸允许偏差值标称直径mm0.126～0.4000.401～1.0001.01～2.993.00及以上允许偏差±0.004±1%d±0.01±0.02注：计算标称直径时0.401-1.000mm保留三位小数，大于1.000mm保留两位小数，均按GB/T8170有关规定修约。退火圆铜线的机械性能退火圆铜线型号直径mm伸长率%（标准值）

伸长率%（内控值）TRTRTRTR0.4～0.60.7～1.11.1～2.02.0～3.0≥20%≥25%≥25%≥25%25%～30%25%～32%30%～35%32%～38%退火圆铜线的电性能退火圆铜线型号20℃电阻率ρ20不大于（Ω·mm2/m）2.00mm以下2.00mm及以上TR0.0172410.017241LHD-450/13连续退火铜大拉序号第一系列（进线Φ8mm）中间模成品模压缩比16.4631.21525.3201.21534.4351.19943.7311.18953.1771.17462.7301.16472.3741.15082.0831.14091.8511.126101.6531.119111.4771.119121.321.119131.201.10退火电压：55V（AC交流）退火电流：5000A（AC交流）附、拉丝设备技术参数LHT-250/13连续退火铜中拉序号第一系列（进线Φ3.6mm）中间模成品模压缩比13.0921.12122.7581.12132.4601.12142.1951.12151.9581.12161.7471.12171.5581.12181.391.12191.241.121101.1051.121110.9861.121120.881.121130.81.10塔轮速比为1.23，定速轮速比为1.18退火电压：50V（AC交流）退火电流：3000A（AC交流）LHT-250/17连续退火铜小拉序号第一系列（进线Φ3.0mm）中间模成品模压缩比12.5251.12422.2461.12431.9981.12441.7781.12451.5821.12461.4071.12471.2521.12481.1141.12490.9911.124100.8821.124110.7841.124120.6981.124130.6211.124140.5521.124150.4911.124160.4371.124170.401.093塔轮速比为1.25，定速轮速比为1.184退火电压：50V（DC直流）退火电流：2000A（DC直流）第1种实心导体理论重量详细计算过程序标称截面mm2导体直径d截面Smm2密度ρ绞入率K计算重量kg/km从结构倒推铜芯电阻R20mmS=π×d2÷4g/cm3（无绞入）W=S×ρR20=0.017241×K×1000÷S铜铝铜铝铜铝λ铜铝推算值标准值备注10.50.80/0.50/8.89/14.47－34.3236.020.750.98/0.75/8.89/16.70－22.8724.5311.13/1.0/8.89/18.91－17.2018.141.51.36/1.45/8.89/112.90－11.8712.152.51.761.802.432.548.892.703121.626.877.097.41642.232.303.904.158.892.703134.6711.224.424.61762.752.855.946.388.892.703152.8117.252.903.08◆单支线中2.5、4、6三个铝线规格直径不能与铜一致，铝线直径要明显大一些才能保证电阻合格。（退火铝线LR容易拉细）◆圆单线截面积计算公式：S=π×d2÷4d为单线直径◆圆单线理论重量计算公式：W=S×ρ铜密度取8.89、铝密度取值2.703举例：实心导体重量的计算公式W=ρ×S以0.5平方为例，截面S=3.1415×0.4×0.4=0.50264重量W=8.89×0.50264=4.4684=4.47kg/km◆导体电阻计算公式:R20=ρ×K×1000÷S

推导导体直流电阻值,反向验证导体结构是否合适常用导体结构尺寸表第2种正规绞合非紧压圆形导体理论重量详细计算过程序标称截面mm2导体结构截面S密度ρ绞入率K计算重量kg/km从结构倒推铜芯电阻R20根数N线径dS=π×d2÷4×Ng/cm3(平均绞入)W=S×ρ×KR20=0.017241×K×1000÷Smm2铜铝λ铜铝推算值标准值备注11071.339.728.892.7031.00887.1026.481.78791.8321671.6915.698.892.7031.008140.6442.761.10731.1532572.0924.008.892.7031.008215.0965.400.72400.72743572.4934.078.892.7031.008305.3092.830.51010.524550191.7646.208.892.7031.008414.01125.880.37620.387670192.1065.788.892.7031.008589.42179.210.26420.268795192.4992.478.892.7031.008828.68251.960.18790.1938120372.00116.188.892.7031.011043.17317.170.14990.1539150372.20140.588.892.7031.011262.23383.780.12390.12410185372.49180.088.892.7031.011616.94491.630.09670.099111240612.20231.768.892.7031.012080.98632.720.07510.075412300612.49296.898.892.7031.012665.76810.520.05870.060113400612.82380.808.892.7031.013419.171039.60.045730.0470◆正规绞合导体，其理论重量计算时必须考虑绞入系数；导体理论重量计算公式：W=S×ρ×λ◆铜芯绞合的平均绞入系数取值：7根取值1.008、19根取值1.008、37根取值1.01、61根取值1.01◆以10平方-7/1.33铜导体举例计算：W=（1.33×1.33×3.14÷4×7）×8.89×1.008=86.41×1.008=87.1BVR专用导体理论重量详细计算过程序标称截面mm2导体结构截面S密度ρ绞入率λ计算重量W工艺文件（计算值）从结构倒推铜芯电阻R20mmS=π×d2÷4×Ng/cm3(平均绞入)W=S×ρ×λR20=0.017241×K×1000÷S根数N线径dmm2铜-kg/km重量值推算值标准值1170.431.028.891.0089.109.03217.104818.121.570.521.498.891.00813.3113.20911.696312.132.5190.412.518.891.00922.4922.2896.9385★7.4144190.524.038.891.00936.1835.8544.31344.6156190.646.118.891.00954.8054.3112.84753.08610490.5210.408.891.01393.6792.4641.6792★1.83716490.6415.768.891.013141.89140.0641.10851.15825980.5825.888.891.014233.29230.0670.6755★0.7279351330.5835.128.891.015316.92312.2330.4983★0.524◆BVR系列束绞、复绞导体，其理论重量计算时必须考虑绞入系数;导体理论重量计算公式：W=S×ρ×λ（标★的，计算余量大）◆束绞、复绞导体的平均绞入系数，计算值见上表◆以BVR-4平方为例，其理论重量计算W=（0.52×0.52×3.14÷4×19）×8.89×1.0095=35.85×1.0095=36.2低压电缆用紧压圆形铜导体理论重量、紧压系数测算值序导体规格导体结构绞线排列紧压模尺寸mm理论重量S紧压系数η从结构推算电阻原尺寸现尺寸直接引用工艺值称重截面轮廓截面紧压系数直流电阻R20已经过实际验证S1S2S1÷S2推算值标准值15010/2.532+88.408.35414.146.5854.730.8510.37950.38727014/2.53

4+1010.010.0601.067.6078.50.8610.26150.26839519/2.531+6+1211.611.6814.191.57105.630.8670.19300.193412024/2.532+8+1413.013.21027.1115.53136.780.8450.15300.153515030/2.534+10+1614.614.61286.4144.70167.330.8640.12210.124618537/2.531+6+12+1816.216.41609.0180.99211.130.8570.09770.0991724048/2.533+9+15+2118.418.62115.5237.96271.580.8760.07430.0754830061/2.531+6+12+18+2420.520.82643.2297.32339.620.8750.05940.0601◆紧压系数的概念：实际称重截面S1与导体轮廓截面S2之比◆实际称重截面S1：其重量值直接用理论值，如50平方的称重截面S1=414.1÷8.89=46.58

导体轮廓截面S2：几何轮廓截面积，如50平方的轮廓截面S2=3.14×8.35×8.35÷4=54.73◆50平方的紧压系数：46.58÷54.73=0.851◆低压电缆用导体的紧压系数值设计为0.85、中压用导体紧压系数设计为0.90例如：中压用300，结构60/2.62，紧压外径20.5，设计称重截面297、轮廓截面329.89，则其紧压系数为297÷329.89=0.90◆导体电阻计算公式:R20=ρ×K×1000÷S

紧压圆形单丝电阻率取0.017500、绞入系数取1.01、已知截面S，反推电阻/与实际吻合中压电缆用铜导体额定电压6-35kV中压交联电缆用紧压圆形铜导体生产工艺（紧压系数η=0.9）依据：GB/T3956-2008规格mm2结构

mm各层排列绞向紧压外径节距比（倍数）各层紧压外径（配模）20℃直流电阻Ω/km①层②层③层④层①层②层③层④层357/2.601+6最外层左向相邻层相反7.011-13－－－7.0

≤

0.5245010/2.602+88.311-13－－－－8.3

≤

0.3877014/2.604+109.918-2011-13－－5.79.9

≤

0.2689519/2.601+6+1211.618-2011-13－－7.211.6

≤

0.19312024/2.602+8+1413.020-2216-1811-13－－8.613.0

≤

0.15315030/2.604+10+1614.520-2216-1811-13－5.710.014.5

≤

0.12418537/2.601+6+12+1816.220-2216-1811-13－7.111.616.2

≤

0.099124047/2.603+9+15+2018.418-2016-1811-13－4.89.414.118.4≤

0.075430060/2.601+6+12+18+2320.522-2518-2016-1811-137.111.616.120.5≤

0.060140060/2.921+6+12+18+2323.622-2518-2016-1811-138.113.618.623.6≤

0.0470摘自GB/T12706.3-2020之7.2条款：导体屏蔽与绝缘紧密结合，与绝缘层的界面应光滑，无明显绞线凸纹，不应有尖角、颗粒、焦烧或擦伤的痕迹。条款理解：怎么理解“从工艺上怎么确保无明显绞线凸纹”？，导体结构设计时提高紧压系数。中压用紧压圆形导体、低压用紧压圆形导体的结构设计差异（紧压系数设计不同，低压η=0.85、中压η=0.90）低压用紧压圆形导体低压电缆用紧压圆形导体生产工艺（紧压系数η=0.85）GB/T3956-2008序导体截面导体结构绞线排列计算外径绞线方向节距比倍数各层紧压模尺寸mm20℃导体电阻Ω/km备注原尺寸工艺优化铜导体铝导体15010/2.532+810.08左13-158.408.35≤0.387≤0.64127014/2.534+1011.13左13-1510.010.0≤0.268≤0.44339519/2.531+67.56右17-187.0（中心2.76）≤0.193≤0.320+1212.6左13-1511.611.6412024/2.532+810.08右17-188.6≤0.153≤0.253+1415.12左13-1513.013.2515030/2.534+1011.13右17-1810.0≤0.124≤0.206+1616.17左13-1514.614.6618537/2.531+67.56左20-227.0≤0.0991≤0.164+1212.6右17-1811.6+1817.64左13-1516.216.4724048/2.533+910.48左20-229.0（49/2.53）≤0.0754≤0.125+1515.52右17-1813.6+2120.56左13-1518.418.6830061/2.531+67.56右23-257.0≤0.0601≤0.100+1212.6左20-2211.6+1817.64右17-1816.2+2422.68左13-1520.520.6表1、额定电压450/750V塑料电线60227IEC01(BV)、ZR-BV生产工艺依据GB/T5023.3-2008序号标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）mm根数/单线直径标称直径绝缘厚度火花检验kV产品外径

备注标称值最薄点≥控制范围计算值标准上限值11.5单支1/1.371.370.70.530.68-0.7562.773.27支7/0.521.560.70.530.68-0.7562.963.322.51/1.761.760.80.620.78-0.8563.363.9341/2.232.230.80.620.78-0.8563.834.4461/2.752.750.80.620.78-0.8664.355.05107/1.333.991.00.800.97-1.0565.996.76167/1.695.071.00.800.97-1.0567.077.87257/2.106.301.20.981.18-1.30108.79.78357/2.497.471.20.981.18-1.30109.8710.995019/1.768.801.41.161.38-1.501011.612.8107019/2.1010.501.41.161.38-1.501013.314.6119519/2.5012.501.61.341.58-1.701515.717.11212037/2.0014.001.61.341.58-1.701517.218.81315037/2.2015.401.81.521.78-1.90

1519.020.91418537/2.5017.502.01.701.97-2.101521.523.31524061/2.2019.802.21.882.17-2.302024.226.61630061/2.5022.502.42.062.37-2.502027.329.61740061/2.8025.202.62.242.57-2.702530.433.2表2、额定电压300/500V塑料电线60227IEC05(BV)、ZR-BV生产工艺依据：GB/T5023.3-2008序标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）结构外径绝缘厚度mm火花检验kV产品外径mm标称值最薄点≥控制范围计算值标准上限值10.51/0.800.800.60.440.58-0.6562.02.320.751/0.970.970.60.440.58-0.6562.172.531.01/1.131.130.60.440.58-0.6562.332.7表3、额定电压300/500V塑料电线BV、ZR-BV（7支结构）生产工艺依据：JB/T8734.2-2016序标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）结构外径绝缘厚度火花检验kV产品外径标称值最薄点≥控制范围计算值标准上限值10.757/0.371.110.60.440.58-0.6562.312.6217/0.431.290.60.440.58-0.6562.492.8

表4、额定电压450/750V塑料电线BLV、ZR-BLV生产工艺依据：JB/T8734.2-2016序号标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）结构外径绝缘厚度火花检验kV成品外径备注标称值最薄点≥控制范围计算值标准上限值12.51/1.821.820.80.620.78-0.8563.423.9241/2.302.300.80.620.78-0.8563.904.4361/2.852.850.80.620.78-0.8564.455.04107/1.333.991.00.800.98-1.0565.996.75167/1.695.071.00.800.98-1.0567.077.86257/2.106.301.20.981.18-1.30108.79.77357/2.497.471.20.981.18-1.30109.8710.985019/1.768.801.41.161.38-1.501011.612.897019/2.1010.501.41.161.38-1.501013.314.6109519/2.5012.501.61.341.58-1.701515.717.11112037/2.0014.001.61.341.58-1.701517.218.81215037/2.2015.401.81.521.77-1.901519.020.91318537/2.5017.502.01.701.97-2.101521.523.31424061/2.2019.802.21.882.17-2.302024.226.61530061/2.5022.502.42.062.37-2.502027.329.61640061/2.8025.202.62.242.57-2.702530.433.2表5、额定电压450/750V塑料电线BVR、ZR-BVR生产工艺依据：JB/T8734.2-2016序号标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）结构计算外径绝缘厚度成品电缆外径标称值控制范围最薄点≥火花检验kV计算值标准上限值12.519/0.412.050.80.78-0.850.7263.654.124.019/0.522.600.80.78-0.850.7264.204.836.019/0.643.200.80.78-0.850.7264.805.341049/0.524.681.00.98-1.050.9066.687.351649/0.645.761.00.98-1.050.9067.768.662598/0.587.681.21.18-1.251.081010.0810.2735133/0.588.701.21.18-1.251.081011.111.7850133/0.6810.201.41.38-1.501.261013.013.9970189/0.6812.551.41.38-1.501.261015.3516.01095259/0.6814.281.61.58-1.701.441517.4818.211120266/0.7415.961.61.58-1.701.441519.1620.212150336/0.7418.111.81.78-1.901.622021.7122.513185427/0.7419.982.01.98-2.101.802023.9824.9表6、额定电压300/500V塑料电线BVV、BLVV生产工艺依据：JB/T8734.2-2016序标称截面导电线芯挤包绝缘（J-70，PVC/C型）挤包护套（H-70，PVC/ST4型）结构外径绝缘厚度外径护套厚度成品外径标称值控制范围最薄点火花计算值标称值控制范围最薄点计算值标准上限111/1.131.130.60.58-0.650.4462.330.80.78-0.850.583.934.521.51/1.371.370.70.68-0.750.5362.770.80.78-0.850.584.375.032.5(铜)1/1.761.760.80.78-0.850.6263.360.80.78-0.850.584.965.742.5(铝)1/1.851.850.80.78-0.850.6263.450.80.78-0.850.585.0554（铜）1/2.232.230.80.78-0.850.6263.830.90.88-0.950.675.636.564（铝）1/2.302.300.80.78-0.850.6263.900.90.88-0.950.675.7076（铜）1/2.752.750.80.78-0.850.6264.350.90.88-0.950.676.157.186（铝）1/2.852.850.80.78-0.850.6264.450.90.88-0.950.676.259107/1.333.991.00.98-1.050.8065.990.90.88-0.950.677.798.810167/1.695.071.00.98-1.050.8067.070.90.88-0.950.678.879.911257/2.106.301.21.18-1.300.98108.701.00.98-1.100.7510.712.112357/2.497.471.21.18-1.300.98109.871.11.08-1.200.8412.0713.5135019/1.768.801.41.38-1.501.161011.61.31.28-1.401.0114.215.8147019/2.1010.501.41.38-1.501.161013.31.41.38-1.501.0916.117.9159519/2.5012.501.61.58-1.701.341515.71.51.48-1.601.1818.720.51612037/2.0014.001.61.58-1.701.341517.21.61.58-1.701.2620.422.51715037/2.2015.401.81.78-1.901.521519.01.81.78-1.901.4322.625.11818537/2.5017.502.01.98-2.101.701521.51.91.88-2.01.5225.327.7表7、额定电压450/750V塑料电线60227IEC02(RV)、ZR-RV生产工艺依据GB/T5023.3-2008序

标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）导体结构导体直径绝缘层厚度成品电缆外径标称值控制范围最薄点≥火花kV计算值标准上限值11.530/0.251.620.70.68-0.750.5363.023.422.549/0.252.080.80.78-0.850.6263.684.13456/0.302.660.80.78-0.850.6264.264.84684/0.303.670.80.78-0.850.6265.275.351077/0.404.681.00.98-1.050.8066.686.8616119/0.405.851.00.98-1.050.8067.858.1725189/0.407.381.21.18-1.300.98109.7810.2835264/0.408.761.21.18-1.300.981011.1611.7950380/0.4010.551.41.38-1.501.161013.3513.91070336/0.5012.821.41.38-1.501.161015.6216.01195456/0.5014.51.61.58-1.701.341517.718.212120576/0.5015.951.61.58-1.701.341519.1520.213150720/0.5018.621.81.78-1.901.521522.2222.514185888/0.5020.32.01.98-2.101.701524.324.9152401152/0.5023.662.22.18-2.301.882028.0628.4表8、额定电压300/500V塑料电线60227IEC06(RV)、ZR-RV生产工艺依据GB/T5023.3-2008序号标称截面导电线芯挤包绝缘（材料J-70，PVC/C型）导体结构导体外径绝缘层厚度mm成品外径mmmm2n/mmmm标称值控制范围最薄点火花检验kV计算值标准规定上限值10.516/0.200.940.60.58-0.650.4462.142.520.7524/0.201.160.60.58-0.650.4462.362.73132/0.201.340.60.58-0.650.4462.542.8

·表9、额定电压300/300V塑料电线RVS、ZR-RVS生产工艺依据JB/T8734.3-2016序规格导电线芯挤包绝缘（JR-70，PVC/D型）绝缘线芯成缆结构外径绝缘厚度绝缘外径成缆方向成缆节距mm成缆外径mm号

n/mmmm标称值最薄点计算值火花kV标准规定工艺规定计算值标准上限值12×0.528/0.150.940.80.622.546右不超过平均外径上限值的8倍按7倍计算之≤425.086.022×0.7542/0.151.150.80.622.756右≤435.506.232×156/0.151.350.80.622.956右≤465.906.642×1.584/0.151.600.80.623.206右≤506.407.252×2.5133/0.152.230.80.623.836右≤577.668.262×4224/0.152.850.80.624.456右≤668.909.572×6189/0.203.510.80.625.116右≤8110.2211.6表10、额定电压300/300V塑料电线60227IEC52(RVV)、ZR-RVV生产工艺依据GB/T5023.5-2008序号标称截面导电线芯挤包绝缘(JR-70，PVC/D型）成缆挤包护套（HR-70，PVC/ST5）结构

外径绝缘层厚度绝缘线芯外径绞向节距倍数外径护套厚度成品外径标称厚度最薄厚度控制范围计算外径火花计算值标称值最薄点计算值标准上限值12×0.516/0.200.940.50.350.48-0.61.944右20～253.880.60.515.085.922×0.7524/0.201.160.50.350.48-0.62.164右20～254.320.60.515.526.333×0.516/0.200.940.50.350.48-0.61.944右20～254.180.60.515.386.343×0.7524/0.201.160.50.350.48-0.62.164右20～254.650.60.515.856.7

表11、额定电压300/500V塑料电线60227IEC53(RVV)、ZR-RVV生产工艺依据GB/T5023.5-2008标称截面mm2导电线芯挤包绝缘（JR-70、PVC/D型）成缆挤包护套（HR-70，PVC/ST5）结构外径标称厚度控制范围最薄点≥外径计算值火花kV绞向节距倍数外径计算值标称厚度最薄点≥外径计算值标准外径上限2×0.7524/0.201.160.60.58-0.650.442.366右20-254.720.80.586.327.22×132/0.201.340.60.58-0.650.442.546右20-255.080.80.586.687.52×1.530/0.251.620.70.68-0.750.533.026右20-256.040.80.587.648.62×2.549/0.252.080.80.68-0.850.623.686右20-257.361.00.759.469.363×0.7524/0.201.160.60.58-0.650.442.366右20-255.080.80.586.687.63×132/0.201.340.60.58-0.650.442.546右20-255.470.80.587.078.03×1.530/0.251.620.70.68-0.750.533.026右20-256.510.90.678.319.43×2.549/0.252.080.80.68-0.850.623.686右20-257.931.10.8410.1311.44×0.7524/0.201.160.60.58-0.650.442.366右20-255.700.80.587.308.34×132/0.201.340.60.58-0.650.442.546右20-256.130.90.677.939.04×1.530/0.251.620.70.68-0.750.533.026右20-257.291.00.759.2910.54×2.549/0.252.080.80.68-0.850.623.686右20-258.881.10.8411.0912.55×0.7524/0.201.160.60.58-0.650.442.366右20-256.370.90.678.179.35×132/0.201.340.60.58-0.650.442.546右20-256.860.90.678.669.85×1.530/0.251.620.70.68-0.750.533.026右20-258.151.10.8410.3511.65×2.549/0.252.080.80.68-0.850.623.686右20-259.941.20.9212.3413.9VV22、YJV22铠装钢带选择对照表（根据工艺整理）电缆规格2芯3芯4芯5芯3+1芯3+2芯4+1芯VV22YJV22VV22YJV22VV22YJV22VV22YJV22VV22YJV22VV22YJV22VV22YJV222.52*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.242*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.262*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.2102*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.2162*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.2252*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.2352*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.2502*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.22*0.2702*0.22*0.22*0.22*0.22*0.52*0.22*0.52*0.52*0.22*0.22*0.52*0.22*0.52*0.5952*0.22*0.22*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.51202*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.51502*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.51852*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52402*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.53002*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.52*0.5备注：铠装结构2*0.2绕包内衬层2*0.35（压花带）或者2*0.5（PVC带）铠装结构2*0.5绕包内衬层3*0.35（压花带）或者3*0.5（PVC带），当压花带厚度只有0.26-0.30时，需绕包4层。

VV、VV22系列护套标称厚度一览表依据：GB/T12706.1-2020产品规格VV、VLV（非铠装）

VV22、VLV22（铠装型）1芯2芯3芯4芯5芯3+13+24+11芯2芯3芯4芯5芯3+13+24+12.51.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.841.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.861.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8101.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8161.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8251.41.81.81.81.81.81.81.81.81.81.81.81.91.81.81.8351.41.81.81.81.91.81.81.81.81.81.81.92.01.81.91.9501.41.81.81.92.11.91.92.01.81.81.92.02.22.02.02.1701.41.92.02.12.22.02.12.11.81.92.02.22.32.12.22.2951.52.02.12.22.42.22.22.31.82.12.22.42.52.32.42.41201.52.12.22.42.52.32.42.51.82.22.32.52.62.42.52.61501.62.22.32.52.72.42.52.61.82.42.52.62.82.52.62.71851.72.42.52.72.92.62.72.81.82.52.62.83.02.72.82.92401.82.62.72.93.12.82.93.01.92.72.83.03.22.93.03.13001.92.72.93.13.33.03.13.21.92.93.03.23.53.13.23.4注：非铠装型，护套最薄点≥标称厚度×80%-0.2注：铠装型，护套最薄点≥标称厚度×80%-0.2低压电缆VV与VV22护套标称厚度一览表

YJV、YJV22系列护套标称厚度一览表依据：GB/T12706.1-2020产品规格YJV、YJLV、WDZ-YJY（非铠装）

YJV22、YJLV22、WDZ-YJY23（铠装型）1芯2芯3芯4芯5芯3+13+24+11芯2芯3芯4芯5芯3+13+24+12.51.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.841.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.861.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8101.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8161.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8251.41.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8351.41.81.81.81.81.81.81.81.81.81.81.81.91.81.81.9501.41.71.81.92.01.81.91.91.81.81.92.02.11.92.02.0701.41.81.92.02.11.92.02.11.81.92.02.12.22.02.12.2951.52.02.02.12.32.12.22.21.82.12.22.32.42.22.32.31201.52.12.12.32.42.22.32.41.82.22.32.42.62.32.42.51501.62.22.32.42.62.32.42.51.82.32.42.62.72.52.52.61851.62.32.42.62.82.52.62.71.72.42.62.72.92.62.72.82401.72.52.62.83.02.72.82.91.82.62.82.93.12.82.93.03001.82.72.83.03.22.93.03.11.92.82.93.13.43.03.13.3注：非铠装型，护套最薄点≥标称厚度×80%-0.2注：铠装型，护套最薄点≥标称厚度×80%-0.2低压电缆YJV与YJV22护套标称厚度一览表KVV护套标称厚度一览表mm规格2芯3芯4芯5芯6芯7芯8芯10芯12芯14芯16芯19芯24芯27芯30芯37芯0.751.21.21.21.21.21.21.21.21.21.21.51.51.51.51.51.511.21.21.21.21.21.21.21.21.21.51.51.51.51.51.51.71.51.21.21.21.21.21.21.21.51.51.51.51.51.71.71.71.72.51.21.21.21.21.51.51.51.51.51.51.71.71.71.71.71.741.21.21.21.51.51.51.51.51.71.7

61.21.21.51.51.51.51.51.71.71.7

备注：非铠装型护套平均厚度不低于标称厚度、最薄点不小于标称厚度*85%-0.1；若电缆芯数介于表中所列两个芯数之间的，按较大芯数执行。

KVV22护套标称厚度一览表mm规格2芯3芯4芯5芯6芯7芯8芯10芯12芯14芯16芯19芯24芯27芯30芯37芯0.75

1.51.51.51.51.51.51.51.51.51.71.71.71

1.51.51.51.51.51.51.51.51.71.71.71.71.51.51.51.51.51.51.51.51.51.51.51.51.71.71.71.71.72.51.51.51.51.51.51.51.51.71.71.71.71.71.71.71.72.041.51.51.51.51.51.51.71.71.71.7

61.51.51.51.51.51.51.71.71.71.7

备注：铠装型电缆护套平均厚度不考核、最薄点不小于标称厚度*80%-0.2。若电缆芯数介于表中所列两个芯数之间的，按较大芯数执行。控制电缆KVV与KVV22、KYJV与KYJV22护套标称厚度一览表

电缆截面KYJV类护套标称厚度一览表mm2芯3芯4芯5芯6芯7芯8芯10芯12芯14芯16芯19芯24芯27芯30芯37芯0.751.21.21.21.21.21.21.21.21.21.21.51.51.51.51.51.511.21.21.21.21.21.21.21.21.21.51.51.51.51.51.51.71.51.21.21.21.21.21.21.21.51.51.51.51.51.71.71.71.72.51.21.21.21.21.21.21.51.51.51.51.51.71.71.71.71.741.21.21.21.21.51.51.51.51.51.7

61.21.21.51.51.51.51.51.71.71.7

电缆截面KYJV22类护套标称厚度一览表mm

2芯3芯4芯5芯6芯7芯8芯10芯12芯14芯16芯19芯24芯27芯30芯37芯0.75

1.51.51.51.51.51.51.51.51.51.71.71.71

1.51.51.51.51.51.51.51.51.71.71.71.71.5

1.51.51.51.51.51.51.51.51.51.71.71.71.71.72.5

1.51.51.51.51.51.51.71.71.71.71.71.71.72.04

1.51.51.51.51.51.71.71.7

6

1.51.51.51.51.71.71.71.7