A4E300-AA01-01 ebm-papst: Balanced 300mm Cooling
The A4E300-AA01-01 distinguishes itself from the A2E series by using a 4-pole motor. This engineering choice results in a lower rotational speed (approx. 1400 RPM), which significantly reduces noise levels and mechanical wear while maintaining a substantial airflow volume. This 300mm axial fan is the preferred choice for applications in noise-sensitive environments, such as commercial refrigeration units in supermarkets, air conditioning condensers in residential areas, and laboratory equipment cooling.
Detailed Technical Specifications
- Diameter: 300 mm.
- Voltage: 230 VAC (Single-phase).
- Motor: M4E068-CF (4-pole).
- Blades: 5 blades, sheet steel, black.
- Noise Level: Low (approx. 58 dB(A)).
- Protection: IP44.
Maintenance & Reliability Guide
Lifecycle State: Active. Extremely common in the UK refrigeration market. Diagnosis: The 4-pole motor is very durable. Failure is rare but usually linked to bearing fatigue after 40,000+ hours. If the fan makes a grinding sound, replace the unit. Unlike 2-pole fans, these run cooler and place less stress on the capacitor, but the capacitor (typically 3 µF or 4 µF) should still be checked annually. Installation: Ensure the wall ring or grid is free of dust. A buildup on the blades of a slow-moving fan can create an imbalance that the lower torque (compared to 2-pole) struggles to overcome at startup. Compatibility: Perfectly compatible with Siemens LOGO! controllers for simple temperature regulation. It is also suitable for use with phase-angle speed controllers to further reduce speed and noise at night.
| Metric | Value |
|---|---|
| Speed | 1380 RPM |
| Airflow | 1400 – 1600 m³/h |
| Power Input | 72 W |
| Weight | 3.1 kg |
Engineering Insight
The A4E300-AA01-01 is often used as a direct upgrade for older, noisier 2-pole fans in retrofitting projects where acoustic comfort is a new requirement.
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