

W4E400-CP02-31 is a 230 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 4950 m³/h maximum airflow stated for this model. It also lists a 400 mm size specified in the upload data. Review motor interface for compatibility checking.
| Rated Voltage(V) | 230 |
|---|---|
| Size(mm) | 400 |
| Max.Air Flow(m³/h) | 4950 |
| Max.Pressure(Pa) | 75 |
| Input Power(W) | 240 |
| Speed(rpm) | 1700 |
| Noise(db) | 71 |
ebm-papst developed W4E400-CP02-31 in an AC axial fan configuration applicable to air-handling, HVAC and refrigeration machinery, where steady air delivery contributes to machinery availability.
The listed 230 V supply and 240 W input give control-circuit designers a defined basis for power and interface planning.
The straight-through air delivery geometry simplifies integration into panels, cabinets and machinery zones that need broad air exchange.
Installation validation should include realistic filters, grilles and neighboring components because these elements influence delivered air delivery. Validate sound and temperature in the finished enclosure. Keep the model reference unchanged in replacement documentation.
Applied to HVAC and ventilation systems, ebm-papst model W4E400-CP02-31 provides supply or exhaust operating temperature management flow. The application values controlled ventilation because internal space and acoustic limits constrain operating temperature management choices.
When production in refrigeration and condenser hardware, W4E400-CP02-31 moves air across refrigeration coils within the available hardware space. This approach helps manufacturing teams balance excess heat removal effectiveness, cabinet space and lifecycle maintenance.
When in-system in accumulated heat exchangers, W4E400-CP02-31 moves air across transfer surfaces within the available system space. Project engineers should substantiate mounting, air movement direction and system resistance to preserve the intended application value.
Machinery serving generated heat-pump systems can integrate ebm-papst W4E400-CP02-31; the unit moves air through exchange sections. The application value comes from balanced generated heat removal, controlled integration and verifiable replacement planning.
No quantified cost-saving claim is supplied for this exact item. Compare energy use, controls, service needs, and purchase cost using the required duty point.
The upload sheet marks the item as In Stock, but available quantity should be confirmed when the order is placed.
Verify the listed size, mounting pattern, fan housing or nozzle arrangement, airflow direction, and service clearance against the equipment drawing.
The upload row lists 71 dB. Confirm the measurement condition and compare noise at the intended operating point.
No guaranteed lead time is provided in the supplied sources. Confirm current stock, required quantity, production schedule, and shipping date with the supplier.
Its advantage should be judged from the matched series feature, exact size, electrical rating, and available performance data rather than from a generic fan comparison.

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