简要说明：耐火高温电缆型号

　　·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.
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