Qingdao Fenghua Electric supplies Air Insulated Aluminum Enclosed Busway, air-type enclosed bus duct with 6101-T6 high conductivity aluminum alloy conductors. It adopts air gap as main insulation medium, with independent support insulators for phase separation. The aluminum alloy housing features lightweight structure, good heat dissipation and competitive total cost. Rated current ranges from 250A to 4000A, protection grade IP54 (IP65 optional). It is widely used for factory power distribution, commercial buildings, industrial parks and general infrastructure projects with budget control. We provide custom straight segments, elbows, tees, expansion joints, tap-off boxes and third-party witness type tests, delivering economical and stable power trunking solutions for global EPC contractors.
Qingdao Fenghua Electric Manufacturing Co., Ltd. manufactures premium Air Insulated Aluminum Enclosed Busway. Different from sandwich laminated busway, this air insulated design relies on air clearance plus solid support insulators to separate each phase. High conductivity aluminum alloy busbars are fixed by high-strength insulating supports inside the fully enclosed aluminum housing. The air insulation structure brings excellent heat dissipation performance, and the lightweight aluminum shell reduces the load on building supports. Conductors are surface treated to improve contact performance and anti-oxidation ability. It can be produced as feeder type or plug-in type according to project layout. This busway is a cost-effective alternative to copper air insulated busway, replacing multiple parallel aluminum cables, simplifying trunk layout and reducing cable joint risks. It is widely adopted for new construction, renovation and capacity expansion of conventional industrial and commercial power distribution systems.
Product Parameter (Specification)
Parameter Item
Technical Specification
Product Name
Air Insulated Aluminum Enclosed Busway
Rated Current
250A ~ 4000A
Rated Working Voltage
400V / 690V
Rated Insulation Voltage
1000V
Working Frequency
50Hz / 60Hz
Insulation Type
Air insulation + high-strength solid support insulators
Protection Grade
IP54, IP65 optional
Phase Configuration
3P3W, 3P4W, 3P5W
Conductor Material
6101-T6 high conductivity aluminum alloy, surface anti-oxidation treatment
Air insulation, good heat dissipation, light weight, economical cost, easy maintenance
Applicable Environment
Industrial workshop, commercial complex, industrial park, general building power distribution
Execution Standard
GB/T 7251.6, IEC 61439-6
Product Features and Application Scope
Air Insulated Aluminum Enclosed Busway is designed for conventional power distribution projects requiring balanced electrical performance and project investment.
Core Advantages
1. Cost-effective Aluminum Conductor Aluminum alloy conductor greatly cuts material cost compared with copper air insulated busway, ideal for medium and large projects with budget constraints.
2. Excellent Heat Dissipation by Air Insulation Air gap between phases helps heat dissipate naturally, lowering operating temperature and extending service life under continuous load.
3. Lightweight & Convenient Installation Lower unit weight than copper air insulated busway, reducing hanging support load, cutting transportation cost and speeding up site erection.
4. Reliable Air Insulation Structure Each phase is fixed by high-strength insulating supports. Stable air clearance ensures good dielectric performance and strong short-circuit mechanical withstand capacity.
5. Flexible Structural Selection Available in feeder type without tap outlets or plug-in type with matching aluminum tap-off boxes, meeting main trunk and branch tapping requirements.
6. Complete Modular Accessories Full range of elbows, tees, expansion joints, end closures and tap-off boxes for flexible routing design.
Application Scenarios Factory workshop power trunk, high-rise office & shopping mall vertical power supply, industrial park centralized distribution, general building electrical renovation, auxiliary power for conventional power plants.
Production Details and Craftsmanship
Qingdao Fenghua Electric adopts dedicated air-insulation assembly process for Air Insulated Aluminum Enclosed Busway. Aluminum busbars are precision cut and surface treated for anti-oxidation. High-strength insulating supports are used to fix each conductor and maintain stable phase air clearance. The fully enclosed aluminum housing undergoes surface pretreatment and anti-corrosion powder coating. Every bus segment passes insulation resistance test, power frequency withstand voltage test, temperature rise test and short-circuit mechanical simulation test before shipment. We accept third-party witness inspection and non-standard customized terminals for EPC projects.
Why Choose Qingdao Fenghua Electric
1. Mature Air Insulated Aluminum Busway Manufacturing We have rich experience in air-type bus duct production, familiar with air clearance design, temperature rise control and short-circuit test requirements.
2. Strict Quality Inspection Inspect phase distance, insulator strength and sealing performance batch by batch to guarantee stable operation.
3. Full Set of Matching Accessories Complete prefabricated components for direction change, thermal expansion compensation and connection with switchgear.
4. Full-cycle Engineering Technical Service Provide load calculation, short-circuit parameter verification, routing optimization and on-site installation guidance.
5. Complete Test Reports & Certificates Supply full set of type test reports, construction drawings and certificates for tendering and handover.
Conclusion
Qingdao Fenghua Electric Manufacturing Co., Ltd. provides high-performance Air Insulated Aluminum Enclosed Busway. Featuring air insulation, lightweight body and competitive price, it is the economical power trunking solution for industrial plants and commercial complexes. We welcome bulk procurement, drawing customization and tender cooperation with global EPC contractors and project owners.
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