供应本质安全电路用计算机屏蔽电缆

一：产品特点及用途本产品低电容、低电感,具有优异的屏蔽性能及抗干扰性能，特种高温型计算机电缆采用进口氟塑料及氟橡胶等材料，能在-40-260℃环境中长期使用，产品具有不延燃、耐酸碱油水等优越特性，电缆结构专为本安防爆电路设计，不仅用于桥架敷设，而且可用于电缆沟敷设及直埋敷设，特种高温型本安计算机电缆2000年获国家专利证书。适合于具有防爆保护要求及其他恶劣环境下集散系统、自动化检测系统中作传输线，防爆安全性能明显高于一般dcs电缆和计算机控制电缆。二：产品执行标准q/hhtzh002.4(等效采用英国bs5308标准)阻燃执行gb12666-90标准三：使用特性1．交流额定电压：u0/u300/500kv2．最高工作温度：聚乙烯绝缘不超过70℃交联聚乙烯绝缘90℃低烟无卤阻燃聚烯烃70℃低烟无卤阻燃交联聚烯烃90℃和125℃两种聚全氟乙丙烯(f46)绝缘不超过200℃进口可溶性聚四氟乙烯(pfa)不超过260℃3．最低环境温度：聚氯乙烯护套：固定敷设-40℃，非固定敷设-15℃氟塑料及硅橡胶护套：固定敷设-60℃，非固定敷设-25℃。4．电缆安装敷设温度应不低于0℃(高温型不低于-25℃)。5．电缆允许弯曲半径：非铠装电缆最小为电缆外径的6倍铜带屏蔽或钢带铠装电缆最小为电缆外径的12倍四：基本型号及名称1．交联聚乙烯绝缘聚氯乙烯护套计算机用屏蔽电缆(包括dcs电缆)ia-djyjpv?p交联聚乙烯绝缘铜丝编织分屏总屏聚氯乙烯护套本安用计算机屏蔽(软)电缆ia-djyjp2v?p2交联聚乙烯绝缘铜带绕包分屏总屏聚氯乙烯护套本安用计算机屏蔽(软)电缆ia-djyjp3v?p3交联聚乙烯绝缘铝塑复合带绕包分屏总屏聚氯乙烯护套本安用计算机屏蔽(软)电缆阻燃计算机电缆在型号前加zr，铠装电缆型号后加22，屏蔽可采用镀锡铜丝，基本型号略五：代号名称和含义表2项目代号说明阻燃特性zr分a、b、c级阻燃系列代号ia-dj本安用计算机电缆(包括dcs电缆)绝缘材料y聚乙烯yj交联聚乙烯yd低烟无卤阻燃聚烯烃f(f46)聚全氟乙丙烯护套材料yd低烟无卤阻燃聚烯烃v聚氯乙烯g硅橡胶屏蔽材料p铜丝编织屏蔽p1镀锡铜丝屏蔽p2铜带绕包屏蔽p3铝塑绕包屏蔽铠装材料22钢带铠装聚氯乙烯护套32钢丝铠装聚氯乙烯护套导体结构a单股导体b7股绞合导体r多股绞合导体规格对数1-37每对芯数2-3导体线芯截面0.5-2.5六：主要技术指标性能项目单位指标0.50.751.01.52.5工作电容(1kz)pf/m&le；60&le；70&le；80&le；90电容不平衡pf/m&le；1分布电感&mu；h/m&le；0.6电感电阻比&mu；h/&omega；&le；15&le；25&le；35&le；50电磁干扰感应电压(干扰磁场400a/m)mv&le；5静电感应电压(静电电压20kv)v&le；1辐射场透入强度(干扰场200mz,120db)db&le；6620℃绝缘电阻m&omega；.km&ge；5000(氟塑料绝缘不低于500)试验电压v2000?1min阻燃耐火性能试验?符合gb12666-90要求七：基本电缆规格及结构参数1：聚乙烯绝缘本安用计算机电缆说明书a3-32-a3-352：氟塑料绝缘本安用耐高温计算机电缆对数*对绞组芯数*标称截面(mm2)近似外径mmia-djf46p2vp2ia-djf46p2gp2ia-djf4f46p2-2ia-djf4f46p-2ia-djf46pvpia-djf46pgpia-djgpgpia-djgpvfp1*2*0.58.88.28.210.81*2*0.759.18.58.511.21*2*1.09.69.09.011.61*2*1.510.09.49.412.21*2*2.512.011.011.014.52*2*0.516.214.714.519.02*2*0.7517.316.516.320.32*2*1.018.418.417.321.42*2*1.520.518.819.023.52*2*2.521.819.820.724.53*2*0.515.914.514.818.93*2*0.7517.215.916.320.33*2*1.018.817.717.421.53*2*1.522.019.920.324.23*2*2.523.821.521.726.84*2*0.517.115.315.820.24*2*0.7518.216.617.121.14*2*1.019.518.218.323.54*2*1.521.120.320.926.14*2*2.524.221.623.028.45*2*0.518.818.218.624.85*2*0.7520.219.820.027.55*2*1.022.621.221.427.85*2*1.525.224.724.130.35*2*2.528.826.526.631.87*2*0.518.517.217.422.27*2*0.7520.218.819.023.87*2*1.023.121.521.126.57*2*1.524.223.523.628.57*2*2.528.126.426.631.810*2*0.522.220.220.124.410*2*0.7523.522.522.228.810*2*1.026.224.322.530.110*2*1.530.628.129.034.210*2*2.534.131.531.537.512*2*0.523.621.222.029.012*2*0.7526.223.624.231.212*2*1.028.525.826.835.512*2*1.531.930.230.238.512*2*2.535.133.633.942.214*2*0.522.118.519.030.21*3*0.59.38.78.711.31*3*0.759.59.59.011.71*3*1.010.09.59.512.11*3*1.510.59.99.912.71*3*2.512.012.011.015.02*3*0.517.015.915.920.02*3*0.7518.317.517.321.32*3*1.019.418.418.322.42*3*1.521.519.820.024.52*3*2.522.820.821.725.53*3*0.516.915.515.819.93*3*0.7518.216.917.321.33*3*1.019.818.718.422.53*3*1.522.019.920.324.23*3*2.522.822.522.726.84*3*0.518.116.316.822.24*3*0.7519.217.618.123.14*3*1.020.519.219.324.54*3*1.523.121.321.927.14*3*2.525.225.624.029.45*3*0.519.815.218.626.85*3*0.7521.921.821.028.55*3*1.023.623.223.429.85*3*1.526.225.725.131.35*3*2.530.828.528.634.87*3*0.519.519.219.423.27*3*0.7521.219.820.024.87*3*1.023.922.522.127.57*3*1.525.224.524.629.57*3*2.529.127.427.632.810*3*0.524.227.227.130.410*3*0.7526.525.525.231.810*3*1.029.828.627.734.610*3*1.532.631.131.036.210*3*2.536.134.534.540.5计算重量请参考一般用计算机屏蔽电缆相关数据。