ZAN-KVVRP耐火阻燃控制屏蔽电缆深邃16X0.5

耐火电缆是指在火焰燃烧情况下能够保持一定时间安全运行的电缆。我国国家标准GB12666.6（等IEC331）将耐火试验分A、B两种级别，A级火焰温度950~1000℃，持续供火时间90min，B级火焰温度750~800℃，持续供火时间90 min，整个试验期间，试样应承受产品规定的额定电压值。耐火电缆广泛应用于高层建筑、地下铁道、地下街、大型电站及重要的工矿企业等与防火安全和消防救生有关的地方，例如，消防设备及紧急向导灯等应急设施的供电线路和控制线路。镇雄

耐火电缆使用条件：1.交流额定电压：U。/U（V系列：600/1000V，K系列：450/750V，B系列：450/750V）。2.电缆高长期工作温度（1）阻烯聚坲乙烯绝缘及护套：70℃和105℃两种；交联聚乙烯绝缘：90℃；（2）氟塑料绝缘和护套：220℃和260℃两种；氟塑料绝缘和105℃阻燃聚氟乙烯护套：90℃和125℃两种。（3）低卤低烟阻燃PVC绝缘和护套：70℃；无卤低烟阻燃绝缘和护套：90℃和125℃两种。3.低环境温度：（1）阻燃聚氯乙烯绝缘和护套：固定敷设-40℃；非固定敷设-15℃；（2）氟塑料绝缘和护套：固定敷设-60℃；非固定敷设-20℃；4.电缆安全敷设温度不应低于0℃。

It is suitable for the control and control circuit with rated ac voltage u0/u of 450/750v or below and the connecting line of the electrical instrument in the protection line and the distribution device. Implementation standards: mt818-2009.1 mt386-1995 Q/ tx001-2006 strictly comply with relevant regulations on coal mine safety.



　　也可提供双层护套的通信电缆。展望未来，任重而道远。公司期待能与新老客户真诚合作不段把握时代脉搏，与时俱进，共创。我厂生产煤矿用阻燃控制电缆,主要规格有MKVV,MKVV22,MKVV32等，各种产品均有《煤安标志》证书，规格齐全，产品广泛应用于各大煤矿系统和煤矿监控系统。

交流接触器选用有7个原则，如下：选择接触器的极数。选择主电路的参数，包括额定工作电压，额定工作电流，额定通断能力和耐受过载能力等。选择合适的控制电路参数。选择合适的电寿命和使用类别。对于电动机用接触器，要根据电动机运行的情况来分别考虑。对于单向运行的电动机，风机、水泵类负载，可按AC-3类别来选用交流接触器；对于可逆的电动机，其反向运转、点动和反接制动时接通电流可达8倍额定电流以上，因此要按AC-4类别来选用交流接触器。

The shielding layer can not only restrain the electromagnetic wave from transmitting, but also act as a channel for short-circuit current, which can protect the neutral core. 6/10 kv dedicated cable frequency conversion motor, considering the cables, external force is often in the process of using radial outside the cable shielding layer increased galvanized steel tape armoured layer (between shielding layer and steel tape armoured layer of sleeve).

　　HYA53/HYAT53（防鼠咬/直埋）主要用于传输音频、15市内通信电缆|通信电缆|（管道/架空）HYAC（架空 ）HYAT（防水）0kHZ及以下的模拟信号和2048kbit/s及以下的数字信号。在一定条件下，也可用于传输2048kbit/s以上的数字信号。
　　Ratedpower-fre/U:0.6/1kV.•电缆导体的高允许长期工作温度（PVC/XLPE）:70℃/90℃.siblecontinuousoperatingtemperatureofconductor(PVC/XLPE):70℃/90℃•短路时（长持续时间。

　　 GS-HRPVSP屏蔽双绞线用于：MODBUS通讯、MODBUS总线、MODBUS-RS485通讯、RS485通讯、RS232通讯、RS422通讯、电器仪表、电讯广播、防盗报警系统、楼宇对讲系统、视频监控系统、链条随行通讯、电子设备及自动化装置等屏蔽线路中。

耐火电缆的耐火特性：符合IEC331规定 符合GB12666.6规定 :火焰温度750℃ 火焰温度 950℃-1000℃ 火焰温度 750℃-800℃ 燃烧时间 3h 燃烧时间90min 燃烧时间90min 冷却时间 21h 附加电压 额定电压 附加电压 额定电压附加电压 额定电压 附加电流 3A 附加电流 3A附加电流 3A A类 B类6.敷设推荐的允许弯曲半径：非铠装、编织屏蔽电缆应不小于电缆外径的6倍；钢带铠装电缆应不小于电缆外径的12倍；氟塑料绝缘和护套材料电缆应不小于电缆外径的8倍。

燃烧特性代号表：代号  名称Za 阻燃ZA 阻燃A类ZB       阻燃B类ZC       阻燃C类ZDb阻燃D类省略       有卤W      无卤D   低烟U   低毒N   耐火NJ 耐火加冲击NS   耐火加喷水a Z为单根阻燃，仅用于基材不含卤素的产品。基材含卤素的，Z省略。b ZD为成束燃烧D类，适用于外径不大于12mm即较细的产品。

安装要求1)发热和散热能力决定变频器的输出电流能力，从而影响变频器的输出转矩能力。2)载波频率:一般变频器所标的额定电流都是以高载波频率，高环境温度下能保证持续输出的数值。降低载波频率，电机的电流不会受到影响。但元器件的发热会减小。3)环境温度:就象不会因为检测到周围温度比较低时就增大变频器保护电流值。4)海拔高度:海拔高度增加，对散热和绝缘性能都有影响.一般1000m以下可以不考虑。以上每1000米降容5%就可以了。

Our factory was founded in 1971, is a production and sales of various kinds of flame retardant communication cable, shielded cable for mine, mine screen communication cable, mine telephone cable, shielded cable for mine, mine fire retardant cable, flame retardant cable, mining flame-retardant control cable, communication cable, mining cable, flame retardant mining communication cable, communication cable, mine cable, mine, mine control cable, cable for mine monitoring, sensors, cable, cable, control cable, computer cable, flame retardant cable, shielded cable. City communication cable, railway cable, power line, electrical e wire and cable, video line, special cable. And other professional manufacturers. Enterprises with more than 300 employees, engineering and technical personnel more than 30 people, the factory goes to 20000 square meters, owns fixed assets of 15 million yuan, the total number of companies have production and inspection e more than 120 units (pieces), annual output value of 150 million yuan.
Flame-retardant Cables: ibec60332-3 / bs4066-3 flame-retardant grades (BunchedWires or Cables vertical Flame On BunchedWires/Cables) this is a beam cable. According to the test regulations, the 3.5m long cable samples are fixed with iron wire on the trapezoid frame, and the number of samples is determined according to the non-metallic materials required for different classification. The sample is hung vertically on the back wall of the furnace and air is introduced into the furnace through the inlet on the bottom plate. At 750 ℃ flame propane plane and the sample, the sample in the compulsory blowing (5 m3 / min air emissions, wind speed 0.9 m/s), must be in vertical combustion is not up to 20 minutes, cable within 2.5 meters flame spread out on its own. IEC60332 is divided into A, B, C and D to evaluate the flame retardant performance.