耐火电力电缆 绿环

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Zui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（Zui长持续时间不超过5s）电缆导体Zui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.