| 產品 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《電線電纜實驗》生產,同時還可根據用戶需要按電工會---的iec、英國bs、德國din、美國icea及jis生產。 the product is manufactured according to the standard of gb12706&gb12666/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/fixed installations with rated power-frequency voltage up to&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℃ ·短路時長時間不超過5s電纜導體高允許溫度 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. |