产品标准 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 gb12666 or iec,bs,din,icea,and jis upon request. 适用范围 本产品适用于工频额定电压0.6/1kv及以下配电线路或工业装置中有耐火要求的固定敷设场所使用。 the product is suitable for use in power distribution lines or fixed installations with rated power-frequency voltage up to and including 0.6/1kv. 使用特性 ·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. |