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450/750V阻燃聚氯乙烯\交聯聚乙烯絕緣耐火控制電纜
PVC(XLPE)InsulatedFire-Resistant Power Cable

產品標準
本產品按GB12706《額定電壓35kV及以下銅芯、鋁芯塑料絕緣控制電纜》和GB12666《電線電纜燃燒實驗方法》標準生產，同時還可根據用戶需要按國際電工委員會推薦的IEC標準、英國BS標準、德國DIN標準、美國ICEA標準及日本JIS標準生產。
The product is manufactured according to the standard of GB12706 and GB12666 or IEC,BS,DIN,ICEA,and JIS upon request.

適用范圍
本產品適用于工頻額定電壓450/750V及以下配電線路或工業裝置中有耐火要求的固定敷設場所使用。
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
·工頻額定電壓U0/U: 450/750V。
Rated power-frequency voltage U0/U: 450/750kV.
·電纜導體的最高允許長期工作溫度（PVC/XLPE）:70℃/90℃.
Max.permissible continuous operating temperature of conductor (PVC/XLPE): 70℃/90℃
·短路時（最長持續時間不超過5s）電纜導體最高允許溫度
PVC:導體截面≤300mm2-160℃
導體截面＞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℃
·電纜敷設時環境溫度應不低于0℃
The ambient temperature under installation should not below 0℃
·電纜的彎曲半徑：多芯電纜不小于電纜外徑15倍，單芯電纜不小于電纜外徑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 diamet