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About UsHunan Chengyuan Electrical CO.,LTD stock code 872783 was founded in 1999, is a photovoltaic new energygeneration, energy storage, charging integrated system solutions
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DFW-12 High Voltage Cable Branch Box
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Product Description
The DFW-12 high voltage cable branch box and cable accessories are used in underground cable branching systems, suitable for any location of cable branching. They can save investment in power equipment and cables, and with higher electrical parameters compatible with the system, they are becoming an indispensable part of the gradual cable development of power systems.
The product can be divided into switchless type (DFW-12) and SF6 load switch type (DFWK-12) based on the presence or absence of load switches. It is equipped with an electric display, and optional accessories include lightning arresters and short circuit fault indicators.
Normal operating conditions for high voltage cable branch boxes:
3.1 Altitude: 2000 m
3.2 Maximum ambient temperature: +55 ℃
3.3 Minimum ambient temperature: -40 ℃
3.4 Solar radiation intensity: 0.1W/cm² (wind speed: 0.5m/s)
3.5 Maximum daily temperature difference: 25K
3.6 Indoor relative humidity: Daily average ≤95%, Monthly average ≤90%
3.7 Maximum wind speed: 35m/s (Note: Wind speed refers to the average wind speed over 10 minutes at a height of 10m above ground)
3.8 Load: Simultaneous ice cover of 10mm and wind speed of 17.5m/s
3.9 Earthquake resistance: Horizontal acceleration of 0.2g; vertical acceleration of 0.1g acting simultaneously. Safety factor ≥1.67.
3.10 System rated frequency: 50Hz
3.11 Installation location: Outdoor
Key word: Photovoltaic | Semiconductor | Silicon Carbide | Sapphire | Magnetic Materials | Silicon Wafer Cutting Service
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Room 504, Building 8, Xincheng Science and Technology Park, 588 Yuelu West Avenue, Changsha High tech Development Zone, Hunan Province, China