DFW (8DJ20) -12 24kV cable distribution box
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- Product Overview
- The 35kV high-voltage cable distribution box with switches is an auxiliary equipment for the cable-based transformation of urban power grids. It can be installed in outdoor, indoor, or underground locations, and can connect power cables with box-type substations, load switch cabinets, load switch-fuse combination cabinets, ring network power supply units, etc. It functions as a tapping, branching, relaying, or switching device, providing great convenience for cable network construction.
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40.5kV High-Voltage Cable Distribution Box with Switches
Main Features
Prefabricated cable connectors are adopted, featuring excellent performance of full insulation, full sealing, full waterproofing, maintenance-free operation, safety, and reliability. The cable connectors come in a wide variety of types and complete specifications, forming a series: Rated current: 200A, 400A, 630A, 1000A, 1250A; Rated voltage: 35kV class.
The DFW-35/630 series high-voltage cable distribution box with switches is an environmentally friendly outdoor cable distribution box equipped with high-voltage live display. As an advanced high-voltage equipment in China, it fills the gap in 35kV (40.5kV) high-voltage cable distribution boxes with switches. Suitable for AC 50Hz, 35kV (40.5kV) power transmission and distribution lines, it is a new-structured outdoor ring network switchgear and can also be installed in 35kV prefabricated box-type substations. Serving as the core equipment of ring networks and switching stations, it is mainly used in power distribution networks of industrial parks, residential districts, commercial centers, mining areas, airports, railways, ports, power stations, etc., and is particularly suitable for urban power grid renovation projects. It significantly reduces outgoing cables and floor space while improving power supply reliability.
This distribution box meets the requirements of standards such as GB 3906 and IEC 298, and is equipped with reliable "five-prevention" functions, making it a high-voltage power distribution equipment with superior performance.
Normal Operating Conditions
Ambient Temperature: -10℃ to +40℃；
Ambient Humidity: Daily average relative humidity ≤ 95% and monthly average relative humidity ≤ 90%；
Altitude of the Switchgear Installation Site: 1000m；
Seismic Intensity: Not exceeding 8 degrees (Chinese seismic intensity scale)；
Free from severe pollution, chemical corrosion, and violent vibration.
Special Operating Conditions
When the equipment is used under environmental conditions exceeding the normal range specified in GB 3906 or has other special requirements, please specify them at the time of ordering.
Functional Features
Features:
1. Outdoor type (also available in indoor type) with fully sealed structure, "five-prevention" safety, maintenance-free operation, and reliable personal safety protection.2. Environmentally friendly outdoor cable branching box with high-voltage live display, simplifying the urban cable network system and saving investment.3. Outdoor type, dustproof, moistureproof, flood-resistant, and corrosion-resistant, featuring strong environmental adaptability and flexible combination. It can meet various wiring requirements, from single incoming/outgoing line to multiple incoming/outgoing lines.4. Small size, compact structure, and elegant appearance, with simple installation, convenient switching of operating modes, and flexible protection setting. It is equipped with a live display, and can be optionally fitted with a short-circuit indicator and a surge arrester.5. Small floor space, low height, and attractive appearance, which can harmonize with the surrounding environment. It offers diverse and flexible wiring schemes, and is extremely convenient for installation and operation.
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