300/500V塑料绝缘计算机电缆

300/500V塑料绝缘计算机电缆

Control cables for computer

 

本产品适用于交流额定电压300/500V及以下防干扰性能要求较高的电子计算机、检测仪器、仪表的连接。阻燃电子计算机屏蔽控制电缆、耐火电子计算机屏蔽控制电缆、低卤低烟或无卤低烟阻燃电子计算机屏蔽控制电缆也适用于有阻燃、耐火、低烟无毒要求的场所。

This product is suitable for connection of computer, inspection apparatus and instruments with more requirement of preventing interference with rated voltage up to 300/500V. Flame-retardant control cable for computer, Fire-resisting control cable for computer, low-smoke low-halogen or low-smoke halogen-free flame-retardant control cable for computer are fit for flame-retardant, fire-resisting, low-smoke innocuity system.

一、使用特性 Requirements of application

1、   额定电压U0/U 为300/500V。

Rated voltage U0/U: 300/500V.

2、   电缆导体的长期允许工作温度：聚氯乙烯、聚乙烯绝缘为700C，交联聚乙烯绝缘为850C。

The max. temperature of conductor in normal operation: 700C is for PE or PVC insulated cables, 850C is for XLPE insulated cables.

3、   电缆敷设温度应不低于00C。

Laid temperature shall be not less than 00C.

4、   允许弯曲半径：有铠装层或铜带屏蔽结构的电缆应不小于电缆外径的12倍; 其它电缆应不小于电缆外径的6倍；

The allowed bending radius for installation: It’s not less than 12 times of outer diameter for armored or copper tape screen control cables, and it’s not less than 6 times of outer diameter for others.

   

二、主要技术性能  Main technical characteristic

1、   200C时的导体直流及电缆的绝缘电阻符合GB9330-88。

D.C. resistance of conductor and insulation resistance shall be in conformity with GB9330-88.

2、   电缆能经受5min、2000V耐压试验。

The cable can undergo A.C. voltage of 2000V for 5 minutes without breakdown.

3、   电缆绞对的工作电容在频率为1kHZ时≤115×10-12F/m。

Operating capacitance in pairs of cables shall be less or equal to 115×10-12F/m.

4、阻燃计算机屏蔽控制电缆能通过GB/T19666-2005规定的A类(试样每米所含非金属材料的总体积为7升，供火时间40min，炭化部分所到达的高度不超过2.5m)、B类(试样每米所含非金属材料的总体积为3.5升，供火时间40min，炭化部分所到达的高度不超过2.5m)、C类(试样每米所含非金属材料的总体积为1.5升，供火时间20min，炭化部分所到达的高度不超过2.5m)燃烧试验。

Retardant-flame screen control cable for computer can reach class A（Volume of all non-metallic materials per meter from the selected cables is 7 liter, fire supplying duration is 40min , the height of carbonized part shall be not more than 2.5m）, Class B (Volume of all non-metallic material per meter from the selected cables is 3.5 liter, fire supplying duration is 40min, the height of carbonized part shall be not more than 2.5m) and Class C(Volume of all non-metallic material per meter from the selected cables is 1.5 liter , fire supplying duration is 20 minutes, the height of carbonized part shall be not more than 2.5m)  test under fire conditions specifying in GB/T19666-2005.

5、耐火计算机屏蔽控制电缆能通过GB/T19666-2005规定规定（温度为750~800℃持续供火90min，2A熔丝不熔断）的燃烧试验。

Fire-resisting screen control cable for computer can pass pass (fuse shall be not melted during 90 minutes fire supplying at the temperature of 750~800℃) test under fire conditions specifying in GB/T19666-2005.

6、低卤低烟、无卤低烟阻燃计算机屏蔽控制电缆能满足GB/T17650(等效IEC60754-2)及GB/17651（等效IEC61034-1）试验要求。

      Low-smoke low halogen and low-smoke halogen-free retardant-flame screen control cable for computer can reach the requirements of GB/T17650（idt IEC60754-2）and GB/T17651（idt IEC61034-1）.

 

  三、型号、名称、使用范围  Type, designation and application

 

 

 

注：本公司还可生产计算机用阻燃控制电缆、耐火控制电缆、低烟低卤或低烟无卤阻燃控制电缆等。

      计算机用阻燃控制电缆应在普通控制电缆型号前加ZR—

      计算机用耐火控制电缆应在普通控制电缆型号前加NH—

      计算机用低烟低卤、低烟无卤阻燃控制电缆应在普通控制电缆型号前加DDZR—、WDZR—

      Note: our company also can produce flame-retardant control cable, fire-resisting control cable, low smoke low –halogen or low smoke halogen-free control cable for computer.

      Type of flame-retardant control cable for computer shall be plus ZR-before         
      type of general control cable for computer.

      Type of fire-resisting control cable for computer shall be plus NH- before type of general control cable for computer.

      Type of low-smoke low-halogen control cable and low-smoke halogen-free control cable for computer shall be plus DDZR-, WDZR- before type of general control cable for computer.