DFWK Series Cable Distribution Box - High/Low Voltage Switchgear - Zhejiang Dingzhi Electric power Technology Co., LTD.
DFWK Series Cable Distribution Box

Functional Features 1. Compact structure, compact and beautiful appearance, stainless steel double-layer box, with a service life of over 20 years;2. Realize regional power outage maintenance and redu

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Functional Features 

1. Compact structure, compact and beautiful appearance, stainless steel double-layer box, with a service life of over 20 years;

2. Realize regional power outage maintenance and reduce the scope of power outages without affecting the operation of the main network;

3. Can be equipped with one or more SF6 load switches. The wiring methods are flexible and diverse, with a maximum of 8 branch outgoing lines;

4. Optional lightning arresters, short-circuit fault indicators, current limiting fuses, etc. are available to meet various user requirements.


Scope of Application

Widely used in urban power grid renovation, residential communities, commercial centers and other densely populated areas.



序号 Number


名称 Name


参数 Parameter



1


额定电压 Rated voltage


12kV


2


额定电流 Rated current


630A


3


工频耐压(相地) Power frequency withstand voltage (phase to ground)


42kV/min


4


雷电冲击电压 Lightning impulse voltage


75kV


5


额定开断电流 Rated breaking current


630A


6


额定短路开合电流(峰值) Rated short-circuit opening and closing current (peak value)


50kA


7


额定短时耐受电流 Rated short-time withstand current


25kA/4S


8


额定峰值耐受电流 Rated peak withstand current


50kA


9


额定开断电容电流 Rated breaking capacitor current


45A


10


额定开断电感电流 Rated breaking inductance current


16A


11


满负荷开断次数 Number of full load disconnections


>100



12


分合闸机械操作次数 Number of mechanical operations for opening and closing the switch



2000

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