Claire
Mr.Fu
Claire
China DFW Cable Branch Box - Outdoor Intelligent Power Distribution from Leading Suppliers & Factory
Type Designation
| 1 | Cable Distribution Box |
| 2 | Rated Voltage |
| 3 | Number of Circuits (per phase) |
| 4 | "A"= With Surge Arrester, Without Surge Arrester (Default) |
Usage Conditions
Environmental temperature: maximum temperature +40 ℃, minimum temperature -30 ℃
Wind speed: equivalent to 34m/s (not greater than 700Pa)
Relative humidity: The average daily relative humidity should not exceed 95%; The average monthly relative humidity is not greater than 95%
Seismic resistance: horizontal acceleration not exceeding 0.4m/s, vertical acceleration not exceeding 0.15m/s²
Installation site inclination: not more than 3°
Installation environment: The surrounding air should not be significantly polluted by corrosive, flammable gases, water vapor, etc., and the installation site should not experience severe vibrations.
Product Display
Technical Parameters
| Rated Voltage | 12kV |
| Rated Current | 630A |
| Short-Time Withstand Current (Peak) | 50kA/0.3s |
| Short-Time Withstand Current (RMS) | 20kA/3s |
| Power Frequency Withstand Voltage (1min) | 42kV |
| DC Withstand Voltage (15min) | 52kV |
| Lightning Impulse Withstand Voltage | 105kV |
| Enclosure Protection Level | IP33 |
Order Information
Foundation Drawing
| Number of Branches | 2 | 3–4 | 5–6 | 7–8 | 9–12 |
| A | 640 | 740 | 840 | 940 | 1040 |
| B | 550 | 550 | 550 | 650 | 650 |
Ordering Notice
Product operating site and special requirements:
- 1 Provide product ordering drawings, which should include wiring diagrams and indicate transformer capacity, main component model specifications, distribution branch circuits, and capacity.
- 2 When it is necessary to configure electric energy metering and reactive power automatic compensation devices, the requirements for the configuration of the metering meter and transformer should be provided, and the capacity of the compensation capacitor should be indicated.
- 3 Specify the requirements for surface treatment of the product.
Frequently Asked Questions
Q
What is the rated voltage of the DFW Cable Distribution Box?
The DFW Cable Distribution Box is rated at 12kV, making it suitable for medium-voltage cable distribution networks in urban and industrial environments.
Q
What does the "A" suffix mean in the DFW type designation?
The suffix "A" in the type designation indicates that the unit is equipped with a Surge Arrester. Units without this suffix are supplied without a surge arrester by default.
Q
What is the enclosure protection level of the DFW Cable Distribution Box?
The enclosure protection level is IP33, which provides protection against solid objects greater than 2.5mm and protection against spraying water, suitable for outdoor installation.
Q
What are the environmental temperature limits for the DFW unit?
The DFW Cable Distribution Box is designed to operate within an environmental temperature range of -30°C (minimum) to +40°C (maximum), ensuring reliable performance across diverse climate conditions.
Q
How many branch circuits can the DFW Cable Distribution Box support?
The DFW series supports various branch circuit configurations. According to the foundation drawing dimensions, it can accommodate from 2 up to 12 branch circuits, with cabinet dimensions (A and B values) varying accordingly.
Q
What information should be provided when placing an order for the DFW Cable Distribution Box?
When ordering, customers should provide: ordering drawings including wiring diagrams, transformer capacity, main component model specifications, distribution branch circuits and capacity. If energy metering or reactive power compensation is required, related configuration details and compensation capacitor capacity must also be specified, along with any surface treatment requirements.