300/500V塑料绝缘计算机电缆

300/500v塑料绝缘计算机电缆control cables forcomputer 本产品适用于交流额定电压300/500v及以下防干扰性能要求较高的电子计算机、检测仪器、仪表的连接。阻燃电子计算机屏蔽控制电缆、耐火电子计算机屏蔽控制电缆、低卤低烟或无卤低烟阻燃电子计算机屏蔽控制电缆也适用于有阻燃、耐火、低烟无毒要求的场所。thisproduct is suitable for connection of computer, inspectionapparatus and instruments with more re of preventinginterference with rated voltage up to 300/500v. flame-retardantcontrol cable for computer, fire-resisting control cable forcomputer, low-smoke low-halogen or low-smoke halogen-freeflame-retardant control cable for computer are fit forflame-retardant, fire-resisting, low-smoke innocuitysystem.一、使用特性 res ofapplication1、   额定电压u0/u 为300/500v。ratedvoltage u0/u:300/500v.2、   电缆导体的长期允许工作温度：聚氯乙烯、聚乙烯绝缘为700c，交联聚乙烯绝缘为850c。themax. temperature of conductor in normaloperation: 700c is for pe or pvc insulatedcables, 850c is for xlpe insulatedcables.3、   电缆敷设温度应不低于00c。laid temperature shall benot lessthan 00c.4、   允许弯曲半径：有铠装层或铜带屏蔽结构的电缆应不小于电缆外径的12倍; 其它电缆应不小于电缆外径的6倍；theallowed bending radius for installation: it’s not less than 12times of outer diameter for armored or copper tape screen controlcables, and it’s not less than 6 times of outer diameter forothers.   二、主要技术性能  main technicalcharacteristic1、   200c时的导体直流及电缆的绝缘电阻符合gb9330-88。d.c.resistance of conductor and insulation resistance shall be inconformity withgb9330-88.2、   电缆能经受5min、2000v耐压试验。the cable canundergo a.c. voltage of 2000v for 5 minutes withoutbreakdown.3、   电缆绞对的工作电容在频率为1khz时≤115×10-12f/m。operatingcapacitance in pairs of cables shall be less or equal to115×10-12f/m.4、阻燃计算机屏蔽控制电缆能通过gb/t19666-2005规定的a类(试样每米所含非金属材料的总体积为7升，供火时间40min，炭化部分所到达的高度不超过2.5m)、b类(试样每米所含非金属材料的总体积为3.5升，供火时间40min，炭化部分所到达的高度不超过2.5m)、c类(试样每米所含非金属材料的总体积为1.5升，供火时间20min，炭化部分所到达的高度不超过2.5m)燃烧试验。retardant-flamescreen control cable for computer can reach class a（volume of allnon-metallic materials per meter from the selected cables is 7liter, fire supplying duration is 40min , the height of carbonizedpart shall be not more than 2.5m）, class b (volume of allnon-metallic material per meter from the selected cables is 3.5liter, fire supplying duration is 40min, the height of carbonizedpart shall be not more than 2.5m) and class c(volume of allnon-metallic material per meter from the selected cables is 1.5liter , fire supplying duration is 20 minutes, the height ofcarbonized part shall be not more than 2.5m)  testunder fire conditions specifying ingb/t19666-2005.5、耐火计算机屏蔽控制电缆能通过gb/t19666-2005规定规定（温度为750~800℃持续供火90min，2a熔丝不熔断）的燃烧试验。fire-resistingscreen control cable for computer can pass pass (fuse shall be notmelted during 90 minutes fire supplying at the temperature of750~800℃) test under fire conditions specifying ingb/t19666-2005.6、低卤低烟、无卤低烟阻燃计算机屏蔽控制电缆能满足gb/t17650(等效iec60754-2)及gb/17651（等效iec61034-1）试验要求。

序号no.性能名称items无卤低烟类low-smoke halogen-free低卤低烟类low-smoke low-halogen试验方法teststandard1电缆烟密度试验透光率test of smoke density of cables burning under definedcondition: light penetrating ratio≮60%≮30%gb/t176512取自电缆的护套材料燃烧时卤酸气体逸出量the amount of halogen acid gas evolved duringcombustion of sheath materials from cable≯5mg/g≯100mg/ggb/t176503燃烧气体酸度试验,水溶液的ph值test of degree of acidity of gases: ph of watersolution≮4.3≮2.5gb/t176504燃烧气体酸度试验,水溶液的导电率test of degree of acidity of gases: conductivity ofwater solution≯10us/mm≯180us/mmgb/t17650

      low-smoke low halogen andlow-smoke halogen-free retardant-flame screen control cable forcomputer can reach the res of gb/t17650（idt iec60754-2）andgb/t17651（idtiec61034-1）.   三、型号、名称、使用范围  type,designation and application 

型号type名称 designation使用环境application
djyp1v     djvp1vdjyjp1v铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铝塑复合带屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted al/petp tape screened pvc sheathscreened control cable for computer敷设在室内、电缆沟、管道等要求屏蔽固定场合installed in fixed places, such as indoors,trenches or ducts with screen re  
djyp1vp1   djvp1vp1djyjp1vp1铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铝塑复合带屏蔽铝塑复合带总屏蔽聚氯乙烯护套电子计算机控制电缆copperconductor pe/pvc/xlpe insulated twisted al/petp tape individuallyand collectively screened pvc sheath control cable forcomputer
djyp2v     djvp2vdjyjp2v铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜带屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted copper tape screened pvc sheathcontrol cable for computer
djyp2vp2   djvp2vp2djyjp2vp2铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜带屏蔽铜带总屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted copper tape individually andcollectively screened pvc sheath control cable for computer
djypv       djvpvdjyjpv铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜丝屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted copper wire braided screen pvc sheathcontrol cable for computer
djyvp        djvvpdjyjvp铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜丝总屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted copper wire braided collectivelyscreen pvc sheath control cable for computer
djyvp1       djvvp1djyjvp1铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铝塑复合带总屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted al/petp tape collectively screen pvcsheath control cable for computer
djyvp2       djvvp2djyjvp2铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞总铜带屏蔽聚氯乙烯护套电子计算机控制电缆copper conductorpe/pvc/xlpe insulated twisted copper tape collectively screen pvcsheath control cable for computer
djypvr      djvpvrdjyjpvr铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜丝屏蔽聚氯乙烯护套电子计算机控制软电缆copper conductorpe/pvc/xlpe insulated twisted copper wire braided screen pvc sheathflexible control cable for computer敷设在室内移动要求柔软屏蔽的场合installed in indoors with flexible and screenres
djypvpr     djvpvprdjyjpvpr铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜丝屏蔽铜丝总屏蔽聚氯乙烯护套电子计算机控制软电缆copper conductorpe/pvc/xlpe insulated twisted copper wire braided individually andcollectively screen pvc sheath flexible control cable forcomputer
djyvpr      djvvprdjyjvpr铜芯聚乙烯绝缘或聚氯乙烯绝缘或交联聚乙烯绝缘对绞铜丝总屏蔽聚氯乙烯护套电子计算机控制软电缆copper conductorpe/pvc/xlpe insulated twisted copper collectively screen pvc sheathflexible control cable for computer
生产范围scope of production标称截面 nominal cross-sectional area   mm20.75，1.0，1.5，2.5
线芯对数 pairs1~19