本产品适用于0.6/1kv及以下的高层建筑物、地铁、隧道、剧场、人防工程、石化企业等场所作输配电线路或火灾报警设备、通信设备等应急设施的供电线路及信号控制线路。电缆除低烟无卤高阻燃特性外，还应能处在火焰燃
烧中正常工作180min，当火灾发生时，不发生短路和断路故障，一直保障电力供给，维持系统运行。并且燃烧时烟雾透光率高、毒性低，从而达到其防火安全和消防救生的功能。
　　It can be used not only to transmit and distribute  power on the power line of 0.6/1kv voltage or below  for high-rise building, subway, tunnel, theater, civil  air defense engineering, petrochemical system, but  also as power supply wire and signal control circuit  of emergency facilities such as power transmission  and distribution systems, fire alarm equipment and  communications equipment and so on. Besides  of features of LSZH and high flame resistance, it can also normally operate within 180min under the condition of flame burning. When the fire occurs, shor t-circuit and open circuit faults would not happen. It could endure continually supplying power and maintain the normal.

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产品执行标准 ： 企标
Executive standard: enterprise standard
型号及名称 Type
ZHT-DW-FRVV—防火专用电缆
ZHT-DW-FRVV— type special cable for fire resistance
使用特性 Characteristics
1、交流额定电压U0/U ： 0.6/1kv A.C. rated voltageU0/U : 0.6/1kv
2、工作温度：电缆导体长期工作温度为70℃。
Long-term working temperature of cable conductor shall be 70℃.
3、敷设温度：电缆敷设温度不低于0℃。
Environment temperature for installation shall be no less than 0℃.
4、弯曲半径：电缆弯曲半径不低于电缆外径的15倍。
Bending radium of cable shall be no less than 15 times that of cable outer diameter.
5、阻燃、耐火特性：符合GB/T19666-2005。
Flame resistance and fire resistance characteristics shall meet the requirements speculated in GB/T19666-2005 standard.

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