消防耐火線(xiàn)NH-RYJSP控制線(xiàn)纜規(guī)格NH-KVV22 本產(chǎn)品按GB12706《額定電壓35kV及以下銅芯、鋁芯塑料絕緣電力電纜》和GB12666《電線(xiàn)電纜燃燒實(shí)驗(yàn)方法》標(biāo)準(zhǔn)生產(chǎn)，同時(shí)還可根據(jù)用戶(hù)需要按國(guó)際電工委員會(huì)推薦的IEC標(biāo)準(zhǔn)、英國(guó)BS標(biāo)準(zhǔn)、德國(guó)DIN標(biāo)準(zhǔn)、美國(guó)ICEA標(biāo)準(zhǔn)及日本JIS標(biāo)準(zhǔn)生產(chǎn)。 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(chǎn)品適用于工頻額定電壓0.6/1kV及以下配電線(xiàn)路或工業(yè)裝置中有耐火要求的固定敷設(shè)場(chǎng)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(dǎo)體的許長(zhǎng)期工作溫度（PVC/XLPE）:70℃/90℃. Max.permissible continuous operating temperature of conductor (PVC/XLPE): 70℃/90℃ ·短路時(shí)（長(zhǎng)持續(xù)時(shí)間不超過(guò)5s）電纜導(dǎo)體允許溫度 PVC:導(dǎo)體截面≤300mm2-160℃ 導(dǎo)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(shè)時(shí)環(huán)境溫度應(yīng)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。
