A4E400-AP02-01 ebm-papst: Robust Ventilation for Large Systems
The A4E400-AP02-01 is a high-capacity 400mm axial fan designed for large-scale ventilation and cooling applications. Engineered for single-phase 230V operation, it provides a powerful solution for locations where 3-phase power is unavailable or unnecessary. The fan utilizes ebm-papst’s world-class external rotor motor technology, which integrates the motor into the hub of the impeller. This design results in an extremely compact axial dimension, allowing the fan to be installed in shallow housings or narrow ductwork. Its rugged construction ensures it can handle high static pressures commonly found in industrial heat exchangers and air-cooled condensers.
Key Technical Characteristics
- Impeller Size: 400 mm.
- Supply Voltage: 230 VAC (50/60 Hz).
- Input Power: 160W – 240W.
- Material: Pressure-die cast aluminum or sheet steel blades.
- Protection: IP44 with moisture protection.
Field Maintenance & Diagnosis
Lifecycle State: Active. This is a critical component for large industrial drives and transformer cooling. Diagnosis Tips: If the fan exhibits intermittent operation, check the thermal overload protector. This may trip if the ambient temperature exceeds the rated limits or if the motor is over-strained by excessive backpressure. Installation Advice: Ensure that the safety guard is properly installed to prevent accidental contact with the large blades. Compatibility: This fan can be managed via WinCC SCADA systems for status monitoring. It is also compatible with most standard AC speed controllers for energy-efficient airflow modulation in Siemens S7 controlled environments.
| Metric | Performance Value |
|---|---|
| Max Speed | 1430 RPM |
| Airflow Volume | 4000+ m3/h |
| Weight | 6.2 kg |
| Current Draw | 0.73 A |
Maintenance FAQ
What is the best way to clean the fan? Use a soft brush and non-corrosive cleaning agents. Avoid high-pressure water near the motor hub and terminal box.
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