產(chǎn)品簡(jiǎn)介
NH VV22 3×2.5+1×1.5 3×300+1×150B耐火電力電纜
敷設(shè)在室內(nèi)、隧道、電纜溝或埋地等能承受機(jī)械外力的場(chǎng)合,但不能承受大的拉力
工頻額定電壓U0/U:0.6/1kV。
電纜導(dǎo)體的最高允許長(zhǎng)期工作溫度:
阻燃聚氯乙烯:70℃/105℃.
交聯(lián)聚乙烯:90℃
電纜敷設(shè)時(shí)環(huán)境溫度應(yīng)不低于0℃
電纜的彎曲半徑:
電力電纜:?jiǎn)涡倦娎|≥40D,多芯電纜≥30D 控制電纜:≥12D
B系列塑料電線:≥4D(電纜直徑小于25mm時(shí)),≥6D(電纜直徑大于25mm時(shí))
耐火電纜外徑比:截面25mm2以下比普通同類型號(hào)產(chǎn)品規(guī)格大15%,截面25mm2以上比普通同類產(chǎn)品的規(guī)格大25%。
產(chǎn)品的電氣性能、物理機(jī)械性能、載流量與普通產(chǎn)品相同
耐火試驗(yàn)標(biāo)準(zhǔn)采用IEC331或GB12666.6
?NH VV22 3×2.5+1×1.5 3×300+1×150參數(shù)表:
序號(hào) | 芯數(shù)截面mm2 | 絕緣厚度mm | 鋼帶規(guī)格mm | 護(hù)套厚度mm | 電纜近似外徑mm |
43 | 3×2.5+1×1.5 | 0.8 | 2×0.2×20 | 1.8 | 15.5 |
44 | 3×4+1×2.5 | 1.0 | 2×0.2×20 | 1.8 | 17.6 |
45 | 3×6+1×4 | 1.0 | 2×0.2×20 | 1.8 | 18.8 |
46 | 3×10+1×6 | 1.0 | 2×0.2×25 | 1.8 | 21.8 |
47 | 3×16+1×10 | 1.0 | 2×0.2×25 | 1.8 | 24.3 |
48 | 3×25+1×16 | 1.2 | 2×0.2×25 | 1.8 | 25.2 |
49 | 3×35+1×16 | 1.2 | 2×0.2×25 | 1.9 | 28.1 |
50 | 3×50+1×25 | 1.4 | 2×0.5×30 | 2.0 | 33.1 |
51 | 3×70+1×35 | 1.4 | 2×0.5×30 | 2.1 | 37.0 |
52 | 3×95+1×50 | 1.6 | 2×0.5×35 | 2.3 | 42.6 |
53 | 3×120+1×70 | 1.6 | 2×0.5×35 | 2.4 | 46.0 |
54 | 3×150+1×70 | 1.8 | 2×0.5×35 | 2.6 | 50.0 |
55 | 3×185+1×95 | 2.0 | 2×0.5×40 | 2.9 | 55.8 |
56 | 3×240+1×120 | 2.2 | 2×0.5×45 | 3.1 | 61.9 |
57 | 3×300+1×150 | 2.4 | 2×0.5×45 | 3.3 | 67.96 |