使用特性 Operating characteristics　　工频额定电压Uo/U为0.6/1KV。　　Rated power-frequency voltage Uo/U:0.6/1KV.　　电缆导体的允许长期工作温度为70℃　　Max.permissible continuous operating temperature of conductor: 70℃　　短路时（最长持续时间不超过5s）电缆导体的允许温度：　　导体截面 小于等于 300mm2 – 160℃；　　导体截面 300 – 140大于℃；　　Max.short-circuit temperature of the conductor shall not excssd: (5smaximum duration).Cross-section of conducter 小于300mm2 – 160℃；Cross-section of conducter 大于 300mm2 – 140℃, 　　电缆敷设时环境温度应不低于0℃。　　The ambient temperature under installation should should not below0℃　　电缆弯曲半径不小于电缆外径10倍。　　The bending radius of a cable should not be less than 10 times of the cable diameter. 电缆的型号 Type of cable