FN7-12RD/630A split-type and integrated high-voltage load switch, 10KV fuse combination high-voltage switch
Contact Info
- Xiangyang Industrial Zone, Liushi Town, Yueqing City,
- 李经理
- 15167417505
- 864640886@qq.com
The FN7-12 high-voltage load switch is an FN7-12DR type AC high-voltage load switch, which belongs to the gas-generating indoor high-voltage switchgear. This equipment is suitable for three-phase power systems with AC 50Hz and rated voltage 12KV, and its main functions are to break load current and close short-circuit current.
This series of products has the characteristics of simple structure, strong breaking capacity, long service life, complete operating functions, simple maintenance, etc. It is suitable for the control and protection of power transmission and distribution systems such as power plants and substations, and is especially suitable for places with frequent operations. The FN7(C)-12 series high-voltage load and fuse combination electrical appliance is based on the FN7-12 series high-voltage load switch, with an additional side operating mechanism, which makes the installation more concise and convenient. Its operating environment requirements: the upper limit of ambient air temperature is +40℃, the lower limit is 10℃ in general areas and -25℃ in cold areas, and the altitude shall not exceed 1000 meters. The ambient humidity shall be kept at a daily average ≤95% and a monthly average ≤90%. At the same time, the air shall be free from obvious corrosive, flammable gas or water vapor pollution, and there shall be no frequent severe vibrations. The operating environment also requires that the seismic intensity does not exceed 8 degrees, there are no places with fire, explosion hazards and chemical corrosion, and the filth level is Grade Ⅱ. The main technical parameters include rated current 400A, 630A, rated thermal stability current and rated dynamic stability current, etc. The model names and their meanings such as FN7-12, FN7-12DSL, FN7-12R correspond to different grounding switches, interlocking devices and fuse configurations respectively.
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