电力电缆石家庄电线电缆生产厂家直销YJV国标铜芯电力电缆

电力电缆石家庄电线电缆生产厂家直销YJV国标铜芯电力电缆
产品标准  Standard of Product
本产品按GB/T 12706-2008《额定电压1KV（Um=1.2KV） 到35Kv(Um=40.6KV)挤包绝缘电力电缆及附件》标准生产，同时还可根据用户需要按国际电工**推荐IEC标准、英国标准、德国标准及美国标准生产。
The product is manufactured according to the standards of GB/T 12706-2008。At the same time ,it can also be manufactured according to IEC, BS, DIN and AEIC upon request.

适用范围  Application
本产品适用于工频额定电压0.6/1kV及以下配电网或工业装置中固定敷设之用。
The product is suitable for power distribution lines or fixed installation with rated power- frequency voltage up to and including 0.6/1kV.

使用特性  Operating Characteristics
工频额定Uo/U为0.6/1kV。  
Rated power-frequency voltage Uo/U is 0.6/1kV.
电缆导体允许长期较高工作温度为90℃。
Max. permissible continuous operating temperature of conductor is 90℃.
短路时（较长持续时间不**过5s）电缆导体的较高温度不**过250℃。
Max. temperature of conductor during short circuit (5s maximum duration ) shall not exceed 250℃.
电缆敷设时环境温度应不低于0℃。
The ambient temperature under installation should not below 0℃.
电缆弯曲半径：单芯电缆不小于电缆外径20倍；三芯电缆不小于电缆外径15倍。
The bending radius of a single-core cable: not less than 20 times of cable’s OD
The bending radius of a three-core cable: not less than 15 times of cable’s.OD