Qingdao Fenghua Electric supplies 1600A Air Insulated Busway, a high-capacity main trunking solution for large-scale low voltage power distribution. This 1600A air insulated bus duct adopts enlarged cross-section conductors and reinforced air insulation framework, featuring outstanding thermal stability, high short-circuit withstand rating and low temperature rise under continuous heavy load. It is widely used as main incoming bus for large industrial parks, mega commercial complexes, large data centers and substation low voltage interconnection. We support custom prefabricated fittings, witness factory test, EPC tender supply and full technical documentation, delivering reliable large-current power transmission backbone for heavy-duty engineering projects.
Qingdao Fenghua Electric Manufacturing Co., Ltd. manufactures 1600A Air Insulated Busway, a high-capacity grade for heavy-load main power feeders. Compared with 1250A and smaller current busways, this 1600A model is upgraded with thicker conductors and optimized air convection channels to handle sustained large current and high peak impact. It uses air as the insulating medium with high-strength flame retardant supports to lock safe phase clearance. Designed for the main power backbone of large projects, it replaces multi-run heavy cables, simplifies on-site installation and reduces junction heating risks. It is widely adopted for new construction, capacity expansion and electrical renovation of large industrial, commercial and power infrastructure projects where high continuous current is required.
Product Parameter (Specification)
Parameter Item
Technical Specification
Product Name
1600A Air Insulated Busway
Rated Current
1600A
Rated Voltage
400V / 690V
Working Frequency
50Hz / 60Hz
Insulation Type
Air Insulation with heavy-duty reinforced insulating spacers
Protection Grade
IP54 (IP65 optional for dusty / humid environments)
Large continuous current, high short-circuit withstand, low thermal rise
Applicable Environment
Large factory power room, mega commercial complex, large IDC, transformer low voltage outlet
Execution Standard
GB/T 7251.6, IEC 61439-6
Product Features and Application Scope
The 1600A Air Insulated Busway is engineered for large-capacity main power feeders. It focuses on continuous heavy-current carrying capability, high dynamic & thermal stability and robust mechanical structure, solving the bottleneck of multi-cable laying and joint overheating for large-load projects.
Core Advantages
1. Reliable Continuous 1600A Heavy Load Operation Thickened conductor cross-section with optimized current density, keeps temperature rise within standard limits under long-term full-load operation, sufficient margin for peak load surges.
2. Reinforced Structure for High Short-circuit Withstand Heavy-duty insulating supports and rigid housing assembly resist huge electromagnetic force generated during short-circuit faults, preventing bus deformation and structural damage.
3. Optimized Air Convection Heat Dissipation Enlarged air gap design forms smooth hot air flow channel, avoiding heat accumulation inside the enclosure and facilitating infrared thermal inspection for daily O&M.
4. Simplify Large-current Feeder Layout Single busway replaces multiple parallel heavy power cables, reducing cable tray space, cutting wiring joints and lowering hidden danger points of poor contact.
5. Modular Assembly & Complete Fittings Available with elbows, tees, expansion joints, end closures and tap-off boxes. Tap-off units can be installed at reserved positions for branch power tapping.
6. Customized Terminals for Large Equipment Docking Qingdao Fenghua Electric can customize terminal connection plates to match transformer low voltage terminals and main switchgear inlet cabinets for large power projects.
Application Scenarios Large industrial park main incoming trunk, large data center main power backbone, super high-rise & mega commercial complex vertical trunk, substation / box substation low voltage interconnection, large-scale power distribution renovation and capacity expansion projects.
Production Details and Craftsmanship
Qingdao Fenghua Electric adopts heavy-current production standards for 1600A Air Insulated Busway. Conductors are precision cut, surface tin or silver plated to minimize contact resistance. High-temperature, halogen-free flame retardant spacers secure phase spacing firmly. Thick alloy housing is processed with anti-corrosion coating for long service life. Every bus segment undergoes insulation resistance test, power frequency withstand voltage test and full-load temperature rise test before shipment. We accept third-party witness inspection, non-standard prefabricated components and bulk supply for large EPC contractors.
Why Choose Qingdao Fenghua Electric
1. Mature Large-current Busway Fabrication We have rich experience in manufacturing 1600A heavy-duty air insulated busway, fully familiar with high-current temperature rise and short-circuit test requirements.
2. Strict Thermal & Short-circuit Performance Verification Each batch is verified for full-load temperature rise and short-time withstand current to guarantee safe operation under large current.
3. Full Range of Supporting Accessories Complete system fittings for routing change, thermal expansion compensation and branch tapping, supporting complex large project layout.
4. Full-cycle Engineering Technical Service Provide load calculation, short-circuit parameter check, routing optimization, on-site installation guidance and project acceptance cooperation.
5. Complete Technical Documents & Certificates Supply test reports, drawings and certification documents required for tendering and project handover.
Conclusion
Qingdao Fenghua Electric Manufacturing Co., Ltd. provides high-performance 1600A Air Insulated Busway. As a large-capacity main trunk product, it delivers stable 1600A continuous power transmission, high short-circuit resistance and convenient O&M, which is the preferred backbone power solution for large industrial, commercial and power infrastructure projects. We welcome bulk procurement, drawing customization and tender cooperation with global EPC companies and project owners.
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