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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 branch systems, suitable for any location where cable branching is required. They save on power equipment and cable investment, and with their high electrical parameters adapted to the system, they are becoming an indispensable component in the gradual shift of power systems towards cable-based infrastructure.
Products can be divided into switchless type (DFW-12) and SF6 load switch type (DFWK-12) according to whether they have a load switch. They are equipped with an electromechanical indicator, and optional accessories include surge arresters and short-circuit fault indicators.
Normal operating conditions for the high-voltage cable branch box:
3.1 Altitude: 2000 m
3.2 Maximum ambient temperature: +55 ℃
3.3 Minimum ambient temperature: -40 ℃
3.4 Solar irradiance: 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 10-minute average wind speed at a height of 10m above the ground)
3.8 Load: Simultaneous 10mm ice coating and 17.5m/s wind speed
3.9 Earthquake resistance: Horizontal acceleration 0.2g; vertical acceleration 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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