High-voltage cable distribution box

1. Product Overview

The DFW series high-voltage cable distribution boxes, designed for outdoor use, are key power distribution equipment in 10 kV cable distribution network projects. They are mainly used for T-connection of cables, branching, ring network switching, and multi-channel power supply.

With a fully insulated and sealed structure without exposed live parts, it is compatible with European-type cable connectors. It features high safety, compact design, maintenance-free operation, and flexible network connection capabilities. It is widely used in urban power grids, residential areas, industrial parks, public utility construction, mines, and industrial and mining enterprises, effectively replacing traditional overhead power lines and significantly improving the safety and reliability of power supply.

2. Technical parameters (customizable)

• Rated voltage: 12 kV

• Rated current: 630 A

• Protection level: IP65

• Insulation mode: fully insulated silicone rubber cable connector

• Incoming and outgoing circuits: 1–8 circuits, flexible configuration

• Enclosure material: stainless steel / steel plate with aluminum-zinc coating

• Ambient temperature: -40℃ to +40℃

• Application: outdoor, pole-mounted, floor-mounted, for underground cable laying

• Additional devices: load switch, surge arrester, fault indicator, real-time information display device

3. Product advantages

1. Completely isolated and sealed, high level of safety.

   No exposed live parts, safe to touch and protected against electric shock, eliminating potential risks to personal safety. Fully sealed design is waterproof, dustproof, prevents condensation and corrosion, ensuring stable long-term operation in harsh environmental conditions.

2. Compact design, small size, and easy installation.

   Small size and light weight, can be installed on poles, on the ground, and underground. Simple structure and short installation time, especially suitable for narrow spaces and renovation projects.

3. Flexible branched network, powerful networking capabilities.

   Supports multi-channel incoming and outgoing lines, easily enabling ring main power supply, dual-channel power switching, and multi-channel distribution, simplifying the distribution network structure and improving power supply flexibility.

4. No maintenance required, stable operation, and long service life.

   Fully insulated and oil-free design, requiring no daily inspection or maintenance. Good resistance to aging and corrosion, long service life, and low operating costs.

5. Fast fault detection, high operation and maintenance efficiency.

   Can be equipped with fault indicators for quick detection of short circuits and ground faults, reducing the power outage area and shortening repair time, ensuring uninterrupted power supply.

6. High cost-effectiveness, low investment

   Lower cost, faster construction, and less material consumption compared to traditional ring main units, significantly reducing investment in grid upgrades and power network projects.

4. Application scenarios

• Reconstruction of urban power grid cable networks and renovation of old residential areas.

• Residential neighborhoods, commercial complexes, and office buildings

• Industrial parks, mines, chemical, metallurgical, and other power supply enterprises

• Municipal roads, subways, airports, railway stations, hospitals, schools

• Coordination with box-type substations, cable branches, and ring network power supply.

• Rural power grid modernization, temporary power supply, and reconstruction of power transmission lines.