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The outer shell of DFW-12 outdoor box type switchgear (high-voltage cable branch box) is made of cold-rolled steel plate and stainless steel plate. The box is treated with outdoor spray coating, and the joints are specially designed with waterproof guide
The ordinary cable branch box adopts fully insulated and fully sealed silicone rubber electrical connectors, which can terminate up to eight branch cables. It is equipped with live display fixtures and has pneumatic support rods. The branch box is divided
The European style cable branch box adopts a screen sleeve and European style cable joints. For more than three branches, double-sided cable connections are used, and four cables can be terminated on one side. Ordinary insulated cable heads or fully seale
The American style cable branch box adopts a flat multi-channel conduit and American style cable joints, which can terminate up to six cables. All of them use fully insulated and fully sealed cable heads, and the box body is fully sealed. The rated curren
The switch type cable branch box can be designed to tap and convert up to more than ten cables, and the wiring method is very flexible and convenient. It can be configured as an outdoor switch station, and the switch can not only be equipped with SF6 gas
Product Description：
DFW-12 outdoor (with switch) cable distribution box is widely used for relay distribution and energy distribution in 10kV power systems. It is an important electrical equipment for outdoor cable collection and distribution. Distribution boxes are divided into ordinary cable distribution boxes and switch cable distribution boxes. It can also be divided into ordinary type and flood control type according to the sealing level. Widely used in urban areas and areas with concentrated industrial and mining enterprises. It is the preferred product for realizing the transformation of urban power grid cables and achieving ring network power supply.
Application field：
DFW-12 outdoor cable distribution box is widely used in industrial and civil cable ring networks and power supply end projects. Used for receiving and distributing electrical energy in distribution systems in high-rise buildings, urban and rural buildings, residential areas, high-tech development zones, small and medium-sized factories, mines, oil fields, and temporary construction sites.
Technical Parameter：
| name | regular type | flood control touchable type |
| rated voltage | 12kV | 12kV/6.3kV |
| rated current | 630A | 630A 1250A |
| rated short-time withstand current | 25kA/4S | 25kA/4S |
| rated dynamic stable current | 63kA | 63kA |
| power frequency withstand voltage | 42kV/1min 38kV/1min | 42kV/1min |
| rated lightning impulse voltage | 75kV | 75kV |
| protection level | IP33 | IP33 IP43 |
| service life | more than 30 years | more than 20 years |
| adapt to the environment | temperature -30 ℃~50 ℃ Humidity 95% | temperature -25 ℃~45 ℃ Humidity 95% |
| altitude | 1000 meters | 1000 meters |
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