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Air Insulated Copper Busway
  • Air Insulated Copper BuswayAir Insulated Copper Busway
  • Air Insulated Copper BuswayAir Insulated Copper Busway
  • Air Insulated Copper BuswayAir Insulated Copper Busway

Air Insulated Copper Busway

Fenghua Electric is a professional manufacturer and supplier of air insulated copper busways, with years of experience in the power distribution field. Our products utilize high-purity copper conductors and air insulation, offering excellent conductivity, low loss, strong insulation, and stable operation. With a protection rating of IP54 and above, they are suitable for various scenarios including industrial, commercial, and high-rise buildings. We offer direct factory supply, support customization, and fast shipping of in-stock items. We provide comprehensive technical and after-sales support and sincerely invite engineering contractors and purchasing units to discuss cooperation.

The Air Insulated Copper Busway manufactured by Qingdao Fenghua Electric Appliance Manufacturing Co., Ltd. is a high-end power transmission product specifically engineered for industrial and commercial low-voltage distribution systems. By adopting high-quality copper conductors with superior electrical conductivity, the system ensures efficient power transmission with minimal resistance and reduced energy loss. This advanced design enables the busway to effectively replace traditional cable distribution systems while providing improved performance and reliability.


What is an Air Insulated Copper Busway?

Air Insulated Copper Busway is a modern busbar trunking system designed for low-voltage power distribution, using high-purity copper conductors to transmit electrical current and air as the primary insulation medium between conductors. This structure allows the system to safely deliver large electrical loads with excellent heat dissipation and electrical reliability. Compared with traditional power cables and ordinary busbars, an air insulated copper busway provides higher conductivity, lower energy loss, easier installation, and longer service life, making it an ideal backbone power transmission solution for modern electrical infrastructure.

With its air insulation structure, the busway offers excellent thermal management and electrical insulation performance. The product features high current-carrying capacity, strong insulation reliability, high temperature resistance, and long service life, making it suitable for demanding power distribution environments such as manufacturing plants, large commercial buildings, data centers, and infrastructure projects.

Air Insulated Copper BuswayAir Insulated Copper Busway

Working Principle

The Air Insulated Copper Busway transmits power through conductive copper busbars and air insulation.

The workflow is as follows:

Power enters the busbar trunking from the transformer or distribution cabinet.

High-current transmission occurs through the copper busbars.

Safe air gaps are maintained between each phase busbar.

Power is supplied to the equipment through branch plug-in units.

Due to the low resistance of copper conductors, power loss is reduced and system efficiency is improved.


Air-Insulated Aluminum Busway VS Other Busway Systems

Type

Insulation methods

Conductor materials

Features

Air Insulated Copper Busway

Air insulation

Copper

Good heat dissipation, moderate cost

Air Insulated Aluminum Busway

Air insulation

Aluminum

Lightweight, lower cost

Sandwich Busway

Solid insulation

Copper or aluminum

Compact structure

Epoxy Insulated Busway

Epoxy resin insulation

Copper

High protection level


Core advantages

High conductivity and low power consumption, outstanding energy efficiency: Utilizing high-purity oxygen-free copper conductors, it boasts superior conductivity and extremely low resistance, resulting in current transmission efficiency far exceeding that of ordinary busbars and cables. It exhibits low loss and low temperature rise under high current conditions, effectively reducing the energy consumption of power distribution systems over long-term use, offering the dual advantages of energy saving and high efficiency.


Air insulation, worry-free safety: Employing a scientific air insulation structure, combined with reasonable conductor spacing and sealed protection design, it achieves high insulation strength, effectively eliminating safety hazards such as leakage, short circuits, and breakdowns. It ensures stable and reliable operation, adaptable to long-term full-load working scenarios, and suitable for various complex power distribution environments.


Robust structure, upgraded protection: The outer shell is made of high-strength cold-rolled steel plate or aluminum alloy profiles, offering high mechanical strength, impact resistance, corrosion resistance, dust and moisture protection. The protection level reaches IP54 and above, making it suitable for various complex installation environments such as indoors, power distribution rooms, industrial plants, and basements.


Easy installation and efficient construction: Modular segmented design, moderate weight, simple and quick splicing, neat and aesthetically pleasing wiring, small footprint, significantly shortening the construction cycle, reducing labor and installation costs, improving on-site construction efficiency, and adapting to various project schedule requirements.


Flexible expansion and convenient maintenance: Branch interfaces can be flexibly added according to power load requirements. Later expansion, renovation, and maintenance do not require large-scale dismantling and modification, making operation convenient and effectively reducing the total life cycle usage and maintenance costs.


Direct supply from the manufacturer, flexible customization: The company manufactures and supplies directly from the manufacturer, eliminating intermediate links, resulting in significant price advantages for bulk purchases; supporting custom designs based on drawings, fast delivery of in-stock items, bulk purchases, and project-specific supply, parameters such as current, size, interfaces, and number of phases can be customized as needed to accurately adapt to various personalized power distribution needs.


Technical parameters

Product Name: Air Insulated Copper Busway
Rated Voltage: 400V / 690V
Rated Current: 250A~5000A (Customizable)
Insulation Type: Air Insulation
Conductor Material: High-purity oxygen-free copper
Protection Rating: IP54 (Upgradeable to IP65 upon request)
Phase Configuration: Three-phase three-wire, three-phase four-wire, three-phase five-wire
Rated Frequency: 50Hz / 60Hz
Applicable Environment: Indoor, power distribution room, industrial plant, basement, commercial building, data center, etc.
Standards: Complies with relevant national standards for low-voltage power distribution equipment.


Applicable Scenarios:

Industrial Sector: Main power distribution for industrial plants such as machinery factories, electronics factories, chemical plants, textile factories, and food processing plants.

Commercial Sector: Power distribution systems for commercial complexes such as shopping malls, supermarkets, hotels, office buildings, and convention centers.

Public Buildings: Low-voltage power distribution for supporting facilities in hospitals, schools, stadiums, train stations, and airports.

Data Centers: Main power transmission for computer room power distribution, server power supply, and large-scale IDC power distribution systems.

High-Rise Buildings: Low-voltage main power distribution for residential buildings, office buildings, and urban complexes.

Renovation: Cable replacement, power distribution system upgrades, load expansion, and other projects.


Strict Quality Control and Reliable Engineering Standards

To ensure stable performance and safety, every Air Insulated Copper Busway produced by Qingdao Fenghua Electric Appliance Manufacturing Co., Ltd. strictly complies with relevant national standards for low-voltage power distribution equipment. The entire production process—from raw material selection, precision manufacturing, and assembly to final inspection—is subject to rigorous quality control procedures.


Multiple quality inspections are conducted to guarantee that each product meets high engineering-grade standards for electrical safety, durability, and operational stability. This strict manufacturing and testing system ensures that the busway can provide a reliable and long-lasting power transmission solution, helping enterprises build safe, efficient, and stable power distribution networks.


Choose Qingdao Fenghua Electric Appliance Manufacturing Co., Ltd.

Professional Strength: Years of experience in power distribution equipment manufacturing, specializing in the R&D and production of Air Insulated Copper Busways. Mature technology, stable processes, and comprehensive production and R&D capabilities.


Quality Control: A complete quality inspection system is in place, with strict control over every step from raw material procurement to finished product delivery, ensuring product quality meets standards and performance is reliable.


Customization Capabilities: We provide non-standard customization services based on customers' individual needs for current, size, routing, interfaces, etc., precisely adapting to various power distribution scenarios.


Comprehensive Service: We offer technical consultation, solution design, on-site guidance, and other supporting services. Timely after-sales response quickly resolves various issues customers encounter during procurement and use, ensuring worry-free purchasing.


High Cost-Effectiveness: Direct factory supply eliminates intermediaries, offering preferential pricing for bulk purchases. Our products are energy-efficient, have a long service life, and reduce total lifespan costs.


Qingdao Fenghua Electric Appliance Manufacturing Co., Ltd. adheres to the core principles of "safety, quality, efficiency, and service," upholding craftsmanship and striving for excellence. We are committed to providing high-performance, cost-effective Air Insulated Copper Busways and complete power distribution solutions to domestic and international engineering contractors, design institutes, and purchasing units. Upholding the philosophy of honest cooperation and win-win development, we sincerely invite partners from all sectors to join hands in creating a model of safe, stable, efficient, and energy-saving power distribution engineering, and jointly forging a new future for the industry!


FAQ

1. What are the main advantages of using copper conductors in busway systems?

Copper conductors provide excellent electrical conductivity, lower resistance, and better stability under high current loads, making them ideal for reliable power transmission.


2. What environments are suitable for Air Insulated Copper Busway systems?

They are suitable for industrial plants, commercial buildings, data centers, power distribution rooms, and other facilities that require stable and efficient power supply.


3. How long is the service life of an Air Insulated Copper Busway?

With proper installation and maintenance, the system can operate reliably for many years, often exceeding the lifespan of traditional cable systems.


4. Is the system easy to install and expand?

Yes. Most systems use a modular structure that allows quick installation and convenient expansion when additional power distribution capacity is required.


5. How is heat dissipated in an Air Insulated Copper Busway system?

The system uses air as the insulation medium, which allows natural heat dissipation and helps maintain stable operating temperatures.


6. Does the busway require regular maintenance?

Routine inspection is recommended to ensure proper connections and system integrity, but overall maintenance requirements are relatively low compared to traditional power cables.




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