

Selected for Automation, the ebm-papst R2S175-AB56-01 is a 230 V AC forward-curved centrifugal fan, distinguished by a listed acoustic value of 55 dB. It provides a practical sizing reference.
| Rated Voltage(V) | 230 |
|---|---|
| Size(mm) | 175 |
| Max.Air Flow(m³/h) | 445 |
| Max.Pressure(Pa) | 140 |
| Input Power(W) | 53 |
| Speed(rpm) | 2350 |
| Noise(db) | 55 |
R2S175-AB56-01 is an ebm-papst AC centrifugal fan for Automation, where controlled heat removal and airflow management must match the actual duty point. Its model-specific format supports OEM builds, retrofit planning and replacement sourcing.
Documented selection points include 230 V supply, 53 W input, 175 mm size, up to 445 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. It supports applications that prioritize reliable operation and maintainable design.
How the R2S175-AB56-01 compares to nearby R2S series variants:
| Model | R2S133-AE17-43 | R2S175-AB56-01 | R2S175-AB56-56 | R2S175-AA07-39 |
|---|---|---|---|---|
| Air Flow | — | 445 m³/h | — | 450 m³/h |
| Power | 38 W | 53 W | 51 W | 57 W |
| Noise | — dB | 55 dB | — dB | — dB |
| Size | 133 mm | 175 mm | 175 mm | 175 mm |
All R2S series fans from Hengrui include performance curves, mounting instructions and factory warranty. Contact us for project-specific selection.
Data Center CRAH/CRAC Units: The R2S175-AB56-01 delivers reliable cooling for Computer Room Air Handling with 24/7 uptime. EC motor enables precise temperature control.
AHU Air Handling: Engineered for integration into Air Handling Units.
Industrial Process Ventilation: Machinery cooling, enclosure ventilation and process air movement. Hengrui provides custom engineering support.
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.
The workbook marks it In Stock, but quantity and lead time should be reconfirmed at quotation because availability can change.
Check for blocked airflow paths, incorrect supply, loose wiring, abnormal rotation or system resistance before consulting the exact service documentation.

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