Used in Automation, the ebm-papst R4D330-AA08-12 is a 404 V AC backward-curved centrifugal fan, characterized by a listed acoustic value of 404 dB. This helps guide installation planning.
| Rated Voltage(V) | 404 |
|---|---|
| Size(mm) | 330 |
| Max.Air Flow(m³/h) | 404 |
| Max.Pressure(Pa) | 404 |
| Input Power(W) | 404 |
| Speed(rpm) | 404 |
| Noise(db) | 404 |
Designed for Automation, the ebm-papst R4D330-AA08-12 AC centrifugal fan provides a defined platform for controlled heat removal and airflow management. It suits OEM equipment and service replacement when checked against the exact drawing and operating curve.
Documented selection points include 404 V supply, 404 W input, 330 mm size, up to 404 m3/h airflow. These values support electrical, envelope and duty-point comparison.
For procurement, verify voltage, duty point, dimensions, connector and mounting. Correct sizing and clear airflow paths support stable operation, controlled noise and long service life. Confirm speed control, IP protection and approvals in the exact-model datasheet. This approach helps OEMs reduce integration risk and plan dependable thermal performance.
It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.
Verify mounting orientation, inlet and outlet clearance, fastener security, electrical connections and the exact dimensional drawing before startup.
Correct sizing and operation within documented limits can reduce avoidable thermal stress and maintenance events; project savings require duty-cycle analysis.

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