一、执行标准standard: 企业标准Enterprise’s standard 二.适用范围Applications: 该电缆适用于地铁.隧道.车站等相对密闭人员集中.有很高的阻燃要求.且特别要求在燃烧时不生产浓烟,有毒害作用的卤酸气体及严禁燃烧产生“二次灾害”的苛刻环境下使用。尤其适用于隧道沿线及配电柜与地铁之间的敷设。 Suitable for subway.tunnel,station etc with crowded people wherever requires higher flame-retardant,less amount of smoke and poisonous halogen gas when burning and not cause“the second disaster”.Especially suitable for installation and laid along tunnel line.power cabinet and rai1way. 三、使用特性Properties: 1.产品型号:R-DZY(具体规格参见附表) Model:R-DZY(detail is see the attached table) 注:①R(A、B)-DZY R(A、B)-DZY均与上型号等效。 ②阻燃级别:RA--为A类低烟无卤阻燃 RB--为B类低烟无卤阻燃 R---为c类低烟无卤阻燃 2.额定电压750V,1500V Rated voltage:750V.1500V 3.标称截面O.5-400mm2 Nominal cross section area:O.5-400mm2 4.导体长期工作温度70℃,短路过载温度可达到130℃(5s) Permissible long-term working temperature is 70℃.Max.working temperature of the conductors in short- circuit is 130℃.(5S) 5.电缆小允许弯曲半径不**过电缆直径的15倍。 Allowed Min.bending radius are not more than 1 5 times 0f cable O.D. 6.电绝缘性能,物理机械性能优异 Possessing good electrical insulation perbbbbance,physical mechanical properties. 7.电缆阻燃性能达到GB/T18380.3-2001电缆成束燃烧试验A、B、C类(IEC332-3)的要求 Flame-residence comforts to the requirement of GB/T1 8380.3-2001(IEC332-3) 8、低烟特性:满足GB/T17650-1998,GB/T17651—1998的要求 Low-smoke property comforts to GB/T17650-1 998.GB/T17651—1 9989. 9、无卤特性:(1)导电率≤10 μs/mm (2)PH值≥4.3 Non-halogen property:(1)Conductivity≤10 μs/ram (2)PH≥4.3 10、烟气毒性符合GAl32准安全级的要求。 Smoke poisonous conbbbb to GAl32. 空气敷设长期连续负荷载流量单位:A |