产品 本产品按gb12706《额定电压35kv及以下铜芯、铝芯塑料绝缘控制电缆》和gb12666《电线电缆实验》生产,同时还可根据用户需要按电工会---的iec、英国bs、德国din、美国icea及jis生产。 the product is manufactured according to the standard of gb12706&gb12666/iec,bs,din,icea,and jis upon request. 适用范围 本产品适用于工频额定电压450/750v及以下配电线路或工业装置中有耐火要求的固定敷设场所使用。 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 ·工频额定电压u0/u: 450/750v。 rated power-frequency voltage u0/u: 450/750kv. ·电缆导体的高允许长期工作温度pvc/xlpe:70℃/90℃. max.permissible continuous operating temperature of conductor (pvc/xlpe): 70℃/90℃ ·短路时长时间不超过5s电缆导体高允许温度 pvc:导体截面≤300mm2-160℃ 导体截面>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℃ ·电缆敷设时温度应不低于0℃ the ambient temperature under installation should not below 0℃ ·电缆的弯曲半径:多芯电缆不小于电缆外径15倍,单芯电缆不小于电缆外径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. |