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数据传输用聚乙烯绝缘双绞双屏蔽软电缆
Li2YCY PiMF


导体
Conductor
多股绞合软铜导体
绝缘
Insulation
聚乙烯(PE)混合材物,符合VDE0270.4中2YI1要求
芯线标识
Identification of cores
符合DIN47100标准要求
成缆方式
Assembly of core
单根芯线两两对绞,加排流线后,铝塑复合带绕包屏蔽成单元,各单元束绞合成缆芯
屏蔽
Screen
铝塑复合带绕包加排流线构成分屏蔽,总屏蔽采用镀锡铜丝编织屏蔽,编织密度不小于85%
护套
Sheath
柔性聚氯乙烯(PVC)混合物,颜色灰
额定电压
Nominal Voltage
250V
试验电压
Test Voltage
2000V,1min.(线-线)
800V,1min.(线-地)
绝缘电阻
Insulation resistance
>5000MΩ·km
特性阻抗
Impedance
~360Ω(@1kHz)  ~125Ω(@10kHz)
~87Ω(@100kHz) ~360Ω(@1MHz)
工作电容
Capacitance @800Hz
≤60F/km (适用于四线组以上)
感抗
Inductivity
~0.4mH/km
衰减
Attenuation
标称截面积    0.22    0.34    0.5
@100KHz 11.5dB/km   9dB/km  7dB/km
@1MHz   46dB/km 38dB/km 35dB/km
串音衰减
attenuation
≤40dB(小于1MHz)
≤50dB(小于10MHz)
30MHz转移阻抗
Transfer impedance @30Hz
≤250Ω/km
使用温度
Operating temperature
-30 ~ +80°C(固定安装)
-5 ~ +80°C(移动安装)
弯曲半径
Bending radius
10x电缆外径
阻燃特性
Flame resistance
IEC 60332.1
参考标准
Ref. to
VDE 0812
Li2YCY PiMF cables are stranded equipment wire for telecommunication systems and data processing systems for long distance in a wide variety industry areas such as automation, measurement, and instrument, etc. They are suitable for transmission Data and low-level signal indoor in dry, damp and wet conditions. The twist pairs are from a Loop, also reduce the cross-talk of each loop, especially for near-end x-talk. The overall tinned copper braid screen is provided to the good EMC properties.
 
 


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