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DFW cable distribution box 10KV (without switch)
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DFW cable distribution box 10KV (without switch)

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1 Product use

DFW1G-12 cable distribution box for 7.2-12kV three-phase AC 50Hz power distribution system, connecting cables, as the acceptance and distribution of electricity purposes. No exposed conductive parts, all conductive parts are packaged with solid insulating material, safe and reliable, the appearance can be touched, there is no danger of electric shock. 2003 awarded the national invention patents, patent number: ZL.200310123001.7 ZL. 2003 10123001.7

2 Applicable standards

This product meets the following national standards: GB / T11022-1999 "high-voltage switchgear and control equipment standards common technical conditions"; GB / T3906-2006 "3-10KV AC metal-enclosed switchgear and control equipment"

3. Installation conditions

3.1 The altitude of the installation site shall not exceed 2000m.

Note: Consult the manufacturer for installation altitude above 2000m above sea level.

3.2 The ambient temperature is not higher than +40 ℃, within 24 hours an average of not more than +30 ℃. Ambient temperature not lower than -30 ℃.

3.3 The surrounding medium without explosion and flammable danger, not enough to damage the insulation and corrosion of metal gas or steam, no conductive dust.

3.4 installation site without severe vibration and bumps, the installation gradient of not more than 5 ° Note:

For those who do not meet the above conditions of use or have special conditions of use, can be resolved in consultation with the manufacturer.

4. Product characteristics and scope of use

Solid Labyrinth Insulation Structure

Solid maze-type insulation structure is constructed with a high-voltage electrical conductors wrapped in a multi-layer structure of the insulating sleeve, the use of insulating sleeve between the labyrinthine path to form a larger insulation creepage distance, so that High-voltage enclosed in a small space. Thereby reducing the overall size of the device.

4.2 sunscreen, anti-condensation, anti-corrosion of the box structure

The bottom of the box structure for the double, the lower can be ventilated and exclude cable trench in the water and moisture, the upper isolation cable trench moisture and ventilation cooling, so that the box to keep dry. The top layer is double, can be achieved to prevent condensation dripping in the insulation surface, and strong isolation of the sun off the exposure, so that the temperature inside the box Buzhi Yu is too high. The box wall is made of stainless steel, never rust.

4.3 easy to install

Installation of cable termination, the shell wall can be removed as a whole, the cable terminal installation is extremely convenient.

5. Structure

The high-voltage cable distribution box is composed of two parts of cable splitter and box, which are divided into common type and through bus type. Ordinary type in the extended circuit when the use of post-pole way, extended through the bus-type loop is extended on the same round bus, the conductor cross-section is always the same. Therefore, when the current is large, it is suitable to adopt the through-bus type structure.

5.1 Cable taps construction

5.1.1 Conventional cable taps are made of three insulators made with APG (High Vacuum Injection) using highly insulating epoxy materials. The insulator has a plurality of grooves for expanding the insulation climbing distance. A bus bar made of round copper rod passes through the center of the insulator, and both ends are inserted into an insulated outlet sleeve made of silicon rubber. The end of the insulation outlet sleeve Insulated cover. All live parts are contained in the insulating material, so as to achieve the purpose of insulation and closure. (See diagram 1 for the 4-way general demister outline drawing, schematic diagram of the internal structure of the two general-type tap, schematic diagram of the general demolition of three demolition diagram, schematic diagram of the general demolition diagram, schematic diagram 5 common type points Pick box outline map)

 

 

6  Product name, model, plan 

   The product is full name: dfw1g-12 630/20 outdoor cable split-box. 

   The product line  is composed of Arabic numerals and Chinese phonetic alphabet. 

Key technical parameters

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