ZR阻燃控制电缆新邱更多请查看KVVR4X2.5批发格纤弱
发布时间: 2025-09-19
The protective sheath is made of flame retardant material with high safety factor. Adopt advanced technology production, make the impedance uniformity of the cable good. The multi-core cable is more convenient in the rack laying. According to the need can produce flame retardant, cold - resistant, heat - resistant and other special re

4.电缆安装敷设温度应不低于0℃5.耐火特性:符合IEC60331规定符合GB/T规定火焰温度750℃火焰温度750℃燃烧时间3h燃烧时间90min冷却时间12h附加电压额定电压附加电压额定电压附加电流2A附加电流3A6.敷设推荐的允许弯曲半径:非铠装、联锁或编织铠装电缆应不小于电缆外径的6倍铜带屏。
缆芯表面采用非吸潮聚脂带或无纺布带绕包后再加挡潮金属屏蔽带纵包。外护套可制成聚乙烯或氯乙烯护套,自承式电缆是将缆芯与钢绞线平行挤制于同一“8字”葫芦形外护套之中。主要电气性能:1.屏蔽通信电缆直流电阻:20℃,0.4≤1480.5≤95.00.6≤65.80.8≤36.6。
聚烯烃绝缘石油膏填充市内通信电缆HYAT电缆型号有ZRC-HYATHYATHYAT23HYAT53ZRC-HYAT23ZRC-HYAT53HYYT;ZRC-HYAT;低烟无卤通信电缆填充石油膏系列WDZ-HYATWDZ-HYAT23WDZ-HYAT53音频电缆|市话电缆;HYAHYAT53HYA23。

聚氯乙烯电线型号、名称型号名称额定电压(V)芯数标称截面(mmIEC01(BV)一般用途单芯硬导体无护套电缆450/75011.5~IEC02(RV)一般用途单芯软导体无护套电缆450/75011.5~IEC05(BV)内部布线。
减少EMI的干扰采用金属外壳做屏蔽减小外界电磁场辐射干扰。为减少从电源线输入的电磁干扰,在电源输入端加EMI滤波器。在输出端采用高频性能好、ESR低的电容采用高分子聚合物固态电解质的铝或钽电解电容作输出电容是的,其特点是尺寸小而电容量大,高频下ESR阻抗低,允许纹波电流大。它适用于高效率、低电压、大电流降压式DC/DC转换器及DC/DC模块电源作输出电容。采用与产品系统的频率同步为减小输出噪声,电源的开关频率应与系统中的频率同步,即开关电源采用外同步输入系统的频率,使开关的频率与系统的频率相同。
Purpose of HYAT solid insulated filled cable: solid insulated filled cable is suitable for the urban telecommunication line of the local telecommunication network in the town of wuyu, and also for the special network line connecting to the public network. Mainly used for pipeline laying. The inner and outer surfaces of the cable core and the shield layer are filled with oil paste and poured to prevent water intrusion. The mechanical and electrical properties of the cable remain unchanged under conditions of 30~C - 60~C. Structure: wire: annealed bare copper wire, copper wire diameter 0. 32, 0. 40, 0. 50, 0. 60, 0. 70, 0. 80, 0. 90 (mm). Insulating material: high density polypropylene or polypropylene, colour of the insulated wire as indicated by full chromatograph. Pair of insulated wires: twist two different colored insulated wires into pairs at different pitch and use the specified chromatographic combination to identify pairs. Core structure: with 25 pairs as the basic unit, more than 25 pairs of cables are assembled according to the unit, each unit is wired with the unit of specified chromatogram to identify different units. 100 pairs of cables with more than one pair of cables plus 1% of the reserve pair, but not more than 6 pairs. The gap in the core is filled with oil paste. Core tape: wrap with a polygrease film tape. Shielding: metal strip with or without striping, which is longitudinal wrapped outside the core of the cable. Sheath: black low density polymer. Double sheathed cables can also be provided. Identification and marking: cable outer surface sexual identification mark, mark at no more than alternate 1 m intervals, tag contents are: the diameter of wire, line number, cable type, factory name and year of manufacture, marking at no more than alternate 1 m intervals to mark on the surface, but with the tag stagger. Other structures: according to the needs of users, we can provide armored cables HYAT53, HYAT55 and high frequency isolation cables YATG with strengthened mechanical protection layer.
有普通型、耐寒型等。2、敷设时环境温度≥0℃。3、小弯曲半径:4、无铠装层电缆,应不小于电缆外径的6倍。5、有铠装或铜带屏遮结构电缆,应不小于电缆外径的12倍。6、有屏遮结构的软电缆,应不小于电缆外径的6倍。
二、产品执行标准企业标准等效采用英国BS5308标准三、使用特性1.交流额定电压U0/U:300/500V2.电缆高工作温度:聚乙烯绝缘70℃交联聚乙烯绝缘90℃无卤低烟阻燃聚烯烃70℃辐照交联型90℃和125℃两种3.低环境温度:固定敷设-40℃;非固定敷设-15℃。

5、特性参数:见表4表4项目单位技术指标PE、XLPE绝缘PVC绝缘工作电容(芯-芯)(1kHz)≤pF/m115250电容不平衡(1kHz)≤pF/m250m长度应为250即1-分布电感≤µH/m0.60.6电感电阻比≤0.5mm2µH/Ω25250.75mm。
其他结构:根据使用场合、用户要求,可提供各种形式的电缆,以满足各种敷设环境条件的要求。综合布线、安防工程、监控工程、弱电系统工程、银行监控、网络工程、音响工程、远程三表抄送、消防工程、楼宇防盗监控、门禁可视对讲等专用、音、视频电线电缆。
KVV32聚氯乙烯绝缘,细钢丝铠装聚氯乙烯护套控制电缆敷设在室内、电缆沟中、管道、竖井内及地下,能承受一定的拉力作用。PYYPTYY聚乙烯绝缘乙烯护套铁路信号电缆。PYAPTYA聚乙烯绝缘挡潮综合护套(铁路)信号电缆。
异步电动机的散热通常都是通过扇叶来散热,由于低速长时间运行,这样散热效果不好,如果真这样运行,那就要考虑加大变频器的容量。变频器运行的环境温度,通常情况下是零下10℃到40℃之间,超过40℃,就会出现每上升5℃,输出功率就下降30%。电压型变频器,直流滤波部分是电解电容,在波峰时,电解电容进行储能,在波谷时,电解电容释放能量,从而让电压波形达到平稳。电解电容:C=Q/U由此可知,串联的电容,电荷量相等,电容容量和电压成反比,这就是为什么,电容容量低了,均压电阻的电流大,发热量高。
一、产品简介动力电缆用输配电系统,本公司生产的交流额定电压0.6/1KV聚氯乙烯绝缘动力电缆和35KV及以下交联聚乙烯动力电缆,其性能不仅符合标准GB1276和IEC60502及IEC60840,并且已形成系列,即阻燃型的、耐火型的、耐寒型的和防水型的动力电缆。
6、低安装敷设温度:序号1~4-45℃序号5~140℃HYAC自承式电缆:适用于本地电信网的城市与乡镇电信线路,也适用于接入公用网的专用网线路。。主要用于管道敷没,在架空安装时需要用吊线支承。以25对为基本单位,25线对的基本单位也可由12对和13对2个子单位组成,50单位的超单位由二个12对和二个13对两个子单位组成,100对的超单位由四个25基本单位组成。

HYA53/HYAT53(防鼠咬/直埋)HYAT53直埋型电缆主要用于传输音频、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。
绝缘线芯挤包工序绝缘线芯的质量将直接影响到电缆的电气性能。在生产过程中,我们特别注重原材料的净化,屏蔽与绝缘材料挤包紧密,控制绝缘偏心度和绝缘外径的均匀一致,这样可减少界面效应,提高电缆电气性能。主要用於管道敷设。
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