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DFT6-12 (40.Cable Distribution Box from China Suppliers - Reliable Factory for 10kV and 35kV Power Systems
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)
1. Where are these cable distribution boxes typically applied?
They are widely used in distribution networks within urban industrial communities, residential areas, commercial centers, mining areas, airports, railways, wind power plants, switch stations, and large enterprises (such as steel, petrochemicals, and cement). They are especially suited for urban road and power grid renovation projects.
2. What materials are used for the box, and what is its expected service life?
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.
3. Can this equipment withstand extreme outdoor weather and flooding?
Yes. The cable distribution box features a fully insulated, fully sealed, and fully shielded structure that is resistant to heavy pollution, condensation, and water flooding. Additionally, it uses flood-resistant touchable cable heads to ensure reliable power supply even during flood conditions.
4. What type of switchgear is used inside the cabinet?
The internal cabinet utilizes a miniaturized SF6 gas filling cabinet or an environmentally friendly gas cabinet. All high-voltage live components of the switchgear are securely enclosed in an airtight box.
5. Are the technical parameters customizable?
Yes. The technical parameters provided in the datasheet are for reference. We offer fully customized configurations and services tailored to meet specific customer requirements.