- 商品名稱：耐火電纜 防火電纜
- 添加時間：2024-04-07 15:53:16
- 電 話：13865813618
郵 箱：229877070@qq.com
適(shi)用范圍
本產品適用于(yu)工頻額定(ding)電壓0.6/1kV及(ji)以下配電線路(lu)或工業(ye)裝置中有耐火要求的固定(ding)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(xing)
·工頻額定電壓U0/U:0.6/1kV。
Rated power-frequency voltage U0/U:0.6/1kV.
·電(dian)纜導體(ti)的高允許長(chang)期工作溫(wen)度（PVC/XLPE）:70℃/90℃.
Max.permissible continuous operating temperature of conductor (PVC/XLPE): 70℃/90℃
·短路時（長持(chi)續(xu)時間不超過5s）電纜(lan)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(lan)敷設時環境(jing)溫度應不(bu)低于0℃
The ambient temperature under installation should not below 0℃
·電(dian)纜的(de)彎曲半徑：多芯(xin)電(dian)纜不(bu)小于電(dian)纜外(wai)徑15倍，單芯(xin)電(dian)纜不(bu)小于電(dian)纜外(wai)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.
