安徽春辉仪表线缆集团有限公司产品简介
耐火电缆简单介绍:本产品按GB12706《额定电压35kV及以下铜芯、铝芯塑料绝缘电力电缆》和GB12666《电线电缆燃烧实验方法》标准生产,同时还可根据用户需要按国际电工委员会推荐的IEC标准、英国BS标准、德国DIN标准、美国ICEA标准及日本JIS标准生产。The product is manufactured according to the standard of GB12706 and
产品详情耐火电缆详细介绍; 工频额定电压U0/U:0.6/1kV。 Rated power-frequency voltage U0/U:0.6/1kV. ·电缆导体的最高允许长期工作温度(PVC/XLPE):70℃/90℃. Max.permissible continuous operating temperature of conductor (PVC/XLPE): 70℃/90℃ ·短路时(最长持续时间不超过5s)电缆导体最高允许温度 PVC:导体截面≤300mm2-160℃ 导体截面>300mm2-140℃ XLPE:250℃ Max.short-circuit temperature of the conductor shall not exceed(5s maxiumduration): PVC:cross-section of conductor≤300mm2-160℃ cross-section of conductor>300mm2-140℃ XLPE:250℃ ·电缆敷设时环境温度应不低于0℃ The ambient temperature under installation should not below 0℃ ·电缆的弯曲半径:多芯电缆不小于电缆外径15倍,单芯电缆不小于电缆外径20倍。 The bending radius of a single-core cable should not less than 20 times of the cable diameter. The bending radius of multicore-cable should not less than 15 times of the cable diameter