Page 105 - 山东开川电力设备有限公司

DFW-12kV
欧式电缆分支箱
European cable branch box

型号及含义/Type and meaning

DFW □ - □ □

A为带避雷器缺省为不带/A means with arrester and the default means withour arrester.
回路数(一相中进出线总数)/Circuit number ( total inlet and out let number in one phase)
电压等级/Voltage class
电缆分支箱/Cable tap changer

使用条件/Service condition

● 环境温度：最高气温：+40℃，最低气温-30℃；
● 风速：相当34m/s(不大于700Pa)；
● 湿度：日相对湿度平均值不大于95%，月相对湿度平均值不大于95%；
● 防震：水平加速度不大于 0.4m/s ， 垂直加速度不大于 0.15m/s 安装地点倾斜度：不大于3°；
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● 安装环境：周围空气不受腐蚀性、可燃性气体、 水蒸气等明显污染，安装地点无剧烈震动。
注：订购本产品超出上述条件规定时，请与本公司协商。
● Ambient temperature ：Max.：+40℃，Min. -30℃；
● Wind velocity ：Equivalent to 34m/s(no more than 700Pa)；
● Humidity：Daily average is no more than 95%，montly average is no more than 95%；
● Earthquake resistance：Horizontal accerlaration is no more than 0.4m/s ，vertical acceleration is no more than 0.15m/s .
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Inclination of installation place：No more than 3°；
● Installation environment：Ambient aie is free from influence of corrosive and flammable gas and steam and the installation place has no strongvibration.
Remarks：When the ordered product exceeds above specifications, please negotiate with the mnaufcaturer.

主要技术参数/Main technical data

名称 Name 参数 Data

额定电压 Rated voltage 12kV

额定电流 Rated current 630A

动稳定电流 Peak withstand current 50kA/0.3s

热稳定电流 Short time withstand current 20kA/3s

1min工频耐压 P.f. withstand voltage for 1 min 42kV

15分钟直流耐压 DC withstand voltage for 15min 52kV

雷电冲击耐压 Lightning impulse withstand voltage 105kV

箱体防护等级 Protection grade of case IP33

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