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China DFT6-12(40.Outdoor Cable Distribution Box - Reliable Suppliers & Factory for Power Distribution Solutions
Product Application
Distribution networks in urban industrial communities, residential areas, commercial centers, mining areas, airports, railways, wind power plants, switch stations, and large enterprises such as steel, petrochemicals, cement, and other occasions. It is particularly suitable for urban road and power grid renovation projects, which can greatly save investment in electrical equipment and cables.
Product Features
1
The cable distribution box is an outdoor type, with a fully insulated, fully sealed, and fully shielded structure that does not require insulation distance. It is also resistant to heavy pollution, condensation, and water flooding, meeting outdoor all-weather operating conditions.
2
Small footprint, easy to relocate, beautiful appearance, and easy to coordinate with the surrounding environment.
3
The box material is made of high-quality stainless steel plate and lined with anti-corrosion cedar board, which has strong corrosion resistance, durability, and a service life of 30 years.
4
The internal cabinet adopts miniaturized SF6 gas filling cabinet or environmentally friendly gas cabinet, and all high-voltage live parts of the switchgear are enclosed in an airtight box.
5
Adopting flood resistant touchable cable heads, which can withstand flood invasion and greatly ensure power supply reliability.
6
Easy to install distribution network automation, achieving primary and secondary integration.
7
The structure is flexible and can form distribution schemes ranging from simple to complex, meeting various configuration requirements in secondary substations and switching stations.
Technical Parameter
| SN | Item | Unit | Parameter | ||
| 1 | Rated voltage | kV | 12 | 40.5 | |
| 2 | Rated frequency | Hz | 50/60 | 50/60 | |
| 3 | Rated current | A | 630 | 630 | |
| 4 | Rated power frequency withstand voltage | kV | 42 | 95 | |
| 5 | Rated lightning impulse withstand voltage | kV | 75 | 185 | |
| 6 | Rated short-circuit breaking current | Fuse | kA | 31.5 | 31.5 |
| Circuit breaker | kA | 20 | 20 | ||
| 7 | Rated short-time withstand current /time(r.m.s) | kA/s | 20/4 | 20/4 | |
| 8 | Protection level of the body | IP | 67 | 67 | |
| 9 | Protection level of the box | IP | 33 | 33 | |
| 10 | Rated working pressure of SF6 gas (gauge pressure at 20 ℃) | MPa | 0.04 | 0.04 | |
| 11 | Minimum working pressure of SF6 gas (gauge pressure at 20 ℃) | MPa | 0.02 | 0.02 | |
| 12 | Annual SF6 gas leakage rate | %/year | ≤0.2 | ≤0.2 | |
Note: The above parameters are for reference. Our company can provide customized services according to customer requirements.
Frequently Asked Questions (FAQ)
What are the primary applications of this cable distribution box?
It is widely used in distribution networks across urban industrial communities, residential areas, commercial centers, mining areas, airports, railways, wind power plants, switch stations, and heavy industries such as steel, petrochemicals, and cement.
Can this equipment withstand harsh outdoor weather and environmental conditions?
Yes. The cable distribution box features a fully insulated, fully sealed, and fully shielded structure that operates without requiring insulation distances. It is designed to resist heavy pollution, condensation, and flooding, making it perfect for outdoor all-weather operation.
What is the expected service life and material construction of the box?
The box is constructed from high-quality stainless steel plate and lined with anti-corrosion cedar board. This combination provides excellent corrosion resistance and durability, ensuring a service life of up to 30 years.
What are the protection ratings for the unit and the box?
The main body of the equipment features an IP67 protection rating, while the outer enclosure box is rated at IP33, providing robust defense against dust and water ingress.
Is customization available for different technical requirements?
Yes. While the standard technical parameters (such as 12kV and 40.5kV rated voltage) serve as a baseline reference, our company provides fully customized design and manufacturing services tailored to specific customer needs.