最近免费中文字幕完整版在线看_午夜性色一区二区三区不卡视频_永久免费av无码入口国语片_啊啊啊网站亚洲中文字幕

產(chǎn)品標準 Standard
　　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》標準生產(chǎn)。
The product is manufactured according to the stand of GB12706 or IEC,BS,DIN and ICEA upon request.
適用范圍 Applications
　　本產(chǎn)品適用于工頻額定電壓0.6/1KV及以下配電網(wǎng)或工業(yè)裝置中固定敷設之用。
The product is suitable for use in power distribution lines or fixed insta-llations with rated power-frequency voltage up to and including 0.6/1KV.

使用特性 Operating characteristics
　　工頻額定電壓Uo/U為0.6/1KV。
　　Rated power-frequency voltage Uo/U:0.6/1KV.
　　電纜導體的允許長期工作最高溫度為70℃
　　Max.permissible continuous operating temperature of conductor: 70℃
　　短路時（最長持續(xù)時間不超過5s）電纜導體的允許最高溫度：
　　導體截面 ≤ 300mm2 – 160℃；
　　導體截面 300 – 140＞℃；
　　Max.short-circuit temperature of the conductor shall not excssd: (5smaximum duration).Cross-section of conducter ≤ 300mm2 – 160℃；
Cross-section of conducter ＞ 300mm2 – 140℃, 　　電纜敷設時環(huán)境溫度應不低于0℃。
　　The ambient temperature under installation should should not below0℃
　　電纜彎曲半徑不小于電纜外徑10倍。