10kv Branch Box Electrical Switchgear Box High Voltage Cable Branch Box

Product Description
DFW series high voltage cable branch box is widely used in 33KV ,24KV,11KV node connection of cable system .It is main electrical equipment for the cable to be assembled and separeted from the outlet of the switchgear . Cable branch box adopts imported high grade rubber insulated tight insulation without naked live parts .Its switch is SF6 insulated load switch . DFW cable branch box is designed for outdoor maintenance free operation, safe and reliable and its protection degree reaches IP933. The underground branch connector is antiflood .It is widely used in urban industrial,residential district .commercial center,mining area ,large scale enterprises such as steel, automobile, petroleum ,chemical industry ,cement ,and other occasions ,It is particularly suitable for urban power grid reconstruction project ,which can greatly save the investment of electrical equipment and cables, and improve the reliability of power supply .This equipment complies with the requirements of standard IEC62271-200,IEC62271-100 etc.
Main New Advantages
● Small size , compact structure,easy to install and operate;● Stainless steel or metal steel board ,which thickness≥2mm● Anti-corrosion & with special Spray-painting artworks;● Usage life more than 30 years ;● It can be used in some harsh environments like high or low temerature, some dust area;● Fully sealed structure, without insulation disrance;● High voltage electric parts with cable connector or use sillcon rubber for people safely ;● With zno arrester ;● Its cables can be splitted into be 7 branches to work together with SF6 loading switches to reach net power-supplying;● The cable connector can be used as switch ,it can be on or off with loading ,The max on-off voltage can reach 200Amp;● After fix the fault indicator ,user can test circuit fault very quickly;● Cheaper cost ,save cable ;● Cable connectors comply with IEE386 standard, all cables are suitable for cross linking polyethylene insulated cables.
Technical parametersNO.Item
Unit
Data
1Rated voltage
KV
11kV24kV33kV2Rated current
A
6303Rated short-time withstand current
KA
20/3S
4Dynamic stable current
KA/0.3S
505Thermally stable current
KA/3S
206Power frequency withstand voltage/1min
KV
3850707Lightning impulse withstand voltage
KV
75
125/145
170
8Partial discharge test
Less than 9KV
Less than 15KV
Less than 45KV
Discharge amount:≤10PCDischarge amount:≤10PCDischarge amount:≤10PC9Enclosure protection class
IP33
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