更新時間:2017-09-28
耐火電纜 0.6/1kv聚氯乙烯交聯聚乙烯絕緣耐火電力電纜 PVC
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耐火電纜
適用范圍 本產品適用于工頻額定電壓0.6/1kV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:0.6/1kV。 Rated power-frequency voltage U0/U:0.6/1kV. ·電纜導體的zui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(zui長持續時間不超過5s)電纜導體zui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 diameter.
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