

Built around telecom cabinets, base stations, and network equipment, SUNON EF80252B3-1000U-A99 is a 24 VDC DC axial fan in a 80 × 80 × 25 mm frame. Its 2600 rpm rating defines a lower-speed operating point. Review its mounting size during airflow balancing. Review connector, alarm, and sensor options separately.
| Rated Voltage(V) | 24 |
|---|---|
| Size(mm) | 80x80x25mm |
| Max.Air Flow(m³/h) | 56.1 |
| Max.Pressure(Pa) | 27.4 |
| Input Power(W) | 0.89 |
| Speed(rpm) | 2600 |
| Noise(db) | 28 |
SUNON EF80252B3-1000U-A99 is a DC brushless axial fan for industrial equipment. It establishes forced airflow where passive cooling cannot adequately protect heat-producing assemblies.
The brushless DC motor architecture supports efficient electronic commutation and stable rotational performance for compact equipment cooling. Separating cool intake air from warm exhaust limits recirculation and improves heat-transfer effectiveness inside the equipment.
System designers selecting EF80252B3-1000U-A99 should account for filter loading, then schedule maintenance planning in equipment qualification. This approach links equipment cooling needs with practical procurement and service decisions. Allow operating margin for dust accumulation across the selected filter.
Assess reliability from the exact bearing, temperature, protection, and life data. The supplied series note alone does not confirm every suffix-specific option.
The supplied row does not state the connector or lead configuration. Follow the model-specific wiring drawing.
Inspect for dust, blocked airflow, abnormal noise, loose mounting, and wiring damage. Isolate power before cleaning or service.
Stock and lead time can change. Confirm the exact suffix, quantity, and delivery date with the supplier before ordering.
The worksheet lists 28 dB. Installation distance, airflow resistance, and enclosure acoustics can change the measured result.

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