280ร280ร80mm All Metal AC Axial Fan | Industrial 280mm Cooling Fan
Alternative to ebm-papst W2E250 Series, the Hongbo 280ร280ร80mm All Metal AC axial fan is a large-diameter, heavy-duty industrial fan engineered for maximum airflow in demanding ventilation applications. This 280mm axial fan delivers 1,098โ1,160 CFM through an all-metal iron-leaf impeller and aluminum alloy frame, powered by a capacitor-run external rotor induction motor rated up to +105ยฐC. Available in 110V, 220V, and 380V AC, it is built for industrial power systems, large enclosures, and process environments with high continuous heat loads.
Key Features
- All-Metal Iron-Leaf Impeller:ย Withstands high ambient temperatures and mechanical stress conditions where thermoplastic impellers are unsuitable.
- Maximum Airflow 1,098โ1,160 CFM:ย Among the highest volumetric output in Hongbo Motorโs axial fan range, designed for large ventilation volumes in industrial spaces.
- External Rotor Capacitor Motor:ย Compact motor-impeller integration provides efficient power conversion and stable operation under continuous loading.
- Rated to +105ยฐC Operating Temperature:ย Suitable for proximity to heat-generating industrial processes, including furnaces, foundries, and power conversion rooms.
- Three Voltage Options:ย 110V, 220V, and 380V AC (50/60Hz) for single-phase and three-phase industrial power supply compatibility.
- Dustproof Design:ย Motor and bearing assembly designed to limit dust ingress in industrial environments, supporting reliable long-term operation.
- Aluminum Alloy Frame:ย Robust mounting structure suitable for heavy panel, bracket, or duct installation in industrial facilities.
Customization Options
Hongbo Motor supports OEM and ODM orders for this 280ร280ร80mm All Metal AC axial fan:
- Voltage:ย 110V, 220V, 380V, or dual-voltage; single-phase or three-phase
- Capacitor specification:ย Matched to voltage and motor type
- Lead wire:ย Length and connector type to specification
- Speed grade:ย RPM adjustment available for targeted airflow output
- Mounting:ย Flange and bracket configurations adaptable for OEM system integration
- Packaging and labeling:ย Custom branding and packaging for volume OEM programs
Specifications
| Parameter | Value |
|---|---|
| Size | 280 ร 280 ร 80 mm |
| Voltage | 110V / 220V / 380V AC (50/60Hz) |
| Airflow | 1,098โ1,160 CFM |
| Speed | 2400โ2500 RPM |
| Noise Level | 65โ70 dBA |
| Weight | 2,803 g |
| Frame Material | Aluminum alloy |
| Impeller Material | Iron leaf (all-metal) |
| Motor Type | Capacitor-run external rotor induction motor |
| Bearing Type | Ball bearing |
| Operating Temperature | -10ยฐC to +105ยฐC |
Applications
This 280mm axial fan is widely used in:
- Large industrial switchgear and transformer rooms:ย Handles the substantial heat loads generated by high-power electrical distribution equipment.
- Steel mills and foundries:ย Provides directed ventilation in high-temperature process environments where all-metal construction is required.
- Data centers and server halls:ย Supplies high-volume exhaust air in facilities with dense server racks and high power density.
- Power generation facilities:ย Ventilates generator rooms, UPS rooms, and battery storage areas with continuous airflow.
- Large-format industrial machinery:ย Cools heavy CNC equipment, hydraulic press systems, and industrial compressors.
- Building HVAC and industrial air handling:ย Integrated into large duct assemblies for factory, warehouse, and commercial ventilation systems.
Why Choose Hongbo Motor
Over 10 years of focused experience in industrial cooling fan manufacturing
Products exported to 40+ countries across North America, South America, Europe, and Asia
Stable production capacity with consistent lead times
Strong OEM/ODM capability for volume and custom orders
Reliable quality backed by international certifications
FAQs
Certifications and Quality Assurance
- UL Certification
- CE Certification
- RoHS Compliance
- 3C Certificationย (China Compulsory Certification)
Manufactured and tested at Hongbo Motorโs 6,000 mยฒ facility in Ningbo, China.
Model Parameter
| Model | Bearing System |
Voltage VAC |
Rreq. Hz |
Current A |
Power W |
Speed RPM |
Noise dBA |
Air Flow | Phase | Capcitor | |
| M3/hr | CFM | ||||||||||
| HB28080HAโB-C | Ball | 100/125 | 50/60 | 1.2/1.3 | 126/148 | 2500/2800 | 69/70 | 1865/1971 | 1098/1160 | 1 | 2.8/250 |
| HB28080HAโB-C | Ball | 200/240 | 50/60 | 0.58/0.63 | 126/148 | 2500/2800 | 69/70 | 1865/1971 | 1098/1160 | 1 | 4/500 |
| HB28080HAโB | Ball | 380/420 | 50/60 | 0.75/0.9 | 126/148 | 2500/2800 | 69/70 | 1865/1971 | 1098/1160 | 3 | / |
| HB28080HAโB-C | Ball | 380/420 | 50/60 | 0.24/0.25 | 126/148 | 2500/2800 | 69/70 | 1865/1971 | 1098/1160 | 1 | 2/500 |
More Details
Size:280mmx280mmx80mm
Airflow:2280~2570m3/hr 1341-1512CFM
Weight:2803g
Noise:65~70dBA
Impeller:Iron Leaf
Frame:Aluminum Alloy
Lead Wire:The Mostable Wire
Motor:Capacitor-Run External Rotor Induction Motor
Operation Temperature:-10C~+105โ
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