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E-mail :sales@benyueelec.com
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+86 18790114084
Address：
Pingqiao Industrial Park, Xinyang City, Henan Province.
Cable branch box
Categories：
Box-Type Substation And Cable Branch Box
Email:sales@benyueelec.com
Overview of Cable Branch Boxes
A cable branch box is an electrical device used for multi - branch connection of cables. With the development of the cabling process in the distribution network, when independent loads with relatively small capacity are concentrated, a cable branch box can be used for cable branch connection. However, the branch box cannot directly operate each circuit.
Product Types
Classification by Voltage Level
- 10kV Cable Branch Box: It is used in ring - network power supply or double - radiation power supply systems with a rated voltage of 12kV or below, and can also be used for terminal power supply. It can be installed in a box - type substation for the control and protection of electric energy. It uses an SF6 load switch or a vacuum circuit breaker as the control switch, or it can be installed without a switch. It is equipped with touch - shielded silicone rubber cable connectors, having strong breaking capacity for active load and no - load cable current, as well as closing capacity for short - circuit current. Users can make selections according to their needs.
- 35kV Cable Branch Box: It has a fully insulated and fully sealed structure, ensuring personal safety. It is outdoor - type, dust - proof, moisture - proof, flood - resistant, corrosion - resistant, and has strong environmental adaptability. It is flexible in combination, with the number of incoming and outgoing lines ranging from two to six.
Classification by Structure and Technical Characteristics
- European - style Cable Branch Box: Such as the DFW - 12 series, it is used for the tapping of power cables with an alternating current of 50Hz, a rated voltage of 12kV, and a rated current of 630A. It has the characteristics of two - way opening, using wall - through bushings as connecting busbars, being short in length, having clear cable arrangement, and not requiring large - span crossing of three - core cables. Generally, a rated current of 630A is adopted, and the cable connectors are fixed by bolts. The cable connectors used comply with the DIN47636 standard.
- American - style Cable Branch Box: Also used for the tapping of power cables with an alternating current of 50Hz, a rated voltage of 12kV, and a rated current of 630A. With its excellent performance, standardized design, and beautiful appearance, it is widely used in the cabling engineering equipment of the cable distribution network system.
- Cable Branch Box with Switch: One or more sets of switchgear are installed inside the box, enabling multi - set switch control to meet different circuit control requirements.
Product Features
Electrical Performance
It is fully insulated, fully protected, and suitable for all operating conditions. The switchgear installed inside can achieve multi - loop expansion. The busbars and feed - out lines of the cable branch box are insulated and enclosed, and there are no exposed live parts that can be touched inside the box.
Environmental Adaptability
It has the characteristics of being flood - resistant, pollution - resistant, condensation - resistant, and corrosion - resistant. It can operate outdoors all - weather and adapt to different harsh environments. Outdoor cable branch boxes also have functions such as rain - proof, rust - proof, ventilation and heat - dissipation, electric - shock prevention, anti - theft, and easy installation and maintenance. There are louvered air inlets (with Φ1 steel wire mesh welded inside) at the lower part of both sides of the box body, and there is a corresponding heat - dissipation design at the top of the box body.
Structural Features
It has a compact structure, is simple to install, and convenient to operate. The cable branch box body is made of 2mm stainless steel plates, having the advantages of heat insulation, ventilation, corrosion resistance, and resistance to mechanical impact. There are also box bodies made of SMC materials (glass - fiber - reinforced polyester resin materials). SMC materials have incomparable advantages over other metals and non - metals, such as good insulation performance.
Application Scenarios
Cable branch boxes are widely used in the power supply network. They can be used in the power transmission and distribution of industrial and mining enterprises, in the cabling engineering equipment of various industrial parks, residential communities, etc. They are the main electrical devices for collecting and tapping cables after they come out of switch cabinets, and can distribute electric energy.
Key words:
Box-type substation
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FAQ
Who are we?
Zhenhua Group-Bengyue Electric Co., Ltd. is a high-tech enterprise specialising in the production, research and development and sales of high and low-voltage electrical equipment, energy storage equipment and charging piles, which is located in Pingqiao Industrial Park of Xinyang City, Henan Province, which is a national tourist city and one of the top ten livable cities in the country with beautiful sceneries.
What can you buy from us?
High and low voltage switchgear, box-type transformer, transformer, distribution box, intelligent electrical equipment, energy storage equipment, charging pile, microcomputer protection device, multi-function instrumentation and other electrical products.
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Contact Us
Xinke Avenue, Pingqiao Industrial Park, Xinyang City, Henan Province