供应塑料绝缘控制电缆

塑料绝缘控制电缆产品标准referencestandards本产品按gb9330《塑料绝缘控制电缆》及企业标准制造。thisproductismanufacturedaccordingtogb9330andenterprisestandards.适用范围application适用于额定电压450/750v及以下控制、信号、保护及测量系统接线之用。forsystemconnectionwireofcontrol,signal,protectionormeasuringwithratedvoltageuptoandincluding450/750v.使用特性operatingcharacteristics●额定电压uo/u：450/750v。●ratedvoltageuo/u：450/750v.●电缆导体的允许长期最高工作温度：permissiblemax.continuousoperatingtemperatureofconductor:聚氯乙烯绝缘70℃；交联聚乙烯绝缘90℃。pvcinsulated:70℃；xlpeinsulated:90℃.●短路时（最长持续时间不超过5s）电缆导体的最高温度不超过：uponshortcircuit(max.durationtime5s)themax.temperatureofconductornothigherthan:交联聚乙烯绝缘250℃；聚氯乙烯绝缘160℃。xlpeinsulated:250℃；pvcinsulated:160℃.●电缆敷设时环境温度应不低于0℃。ambienttemperatureofinstallationnotlessthan0℃.●推荐的允许弯曲半径：preferedpermissiblebendingradium；无铠装层的电缆，应不小于电缆外径的6倍；fornon-armouredcable,notlessthan6timesofcablediameter；无铠装或铜带屏蔽结构的电缆，应不小于电缆外径的12倍；forarmouredorcopper-tape-screenedcable,notlessthan12timesofcablediameter；有屏蔽层结构的软电缆，应不小于电缆外径的6倍。forscreenedflexiblecable,notlessthan6timesofcablediameter.