WWW国产精品内射老熟女,欧美人妻第一页一区,欧美综合一区二区综合,色妺妺AⅤ爽爽一区二区

產(chǎn)品名稱: 耐火電纜 產(chǎn)品特點(diǎn): 0.6/1kv聚氯乙烯交聯(lián)聚乙烯絕緣耐火電力電纜 PVC（XLPE）InsulatedFire-Resistant Power Cable 產(chǎn)品標(biāo)準(zhǔn)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)體的最高允許長(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)（最長(zhǎng)持續(xù)時(shí)間不超過5s）電纜導(dǎo)體最高允許溫度 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。 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. 電纜的型號(hào)Type of cable