The RV45-3/14 is a compact DC radial fan from EBM-Papst, measuring 63.9 × 69.5 × 55 mm and designed for applications requiring high static pressure in a small form factor. With a 24 V DC supply and a nominal speed of 40,000 rpm, it delivers an airflow of 410 l/min and a static pressure exceeding 5,000 Pa.
The fan is optimized for medical applications, particularly respirators and portable respiratory solutions, where pressure variations between 400 and 2,000 Pa are common. Its low weight of 135 grams and compact external dimensions make it easy to integrate into portable products.
- Voltage: 24 V DC (7–30 V)
- Airflow: 410 l/min (14.5 CFM)
- Speed: 40,000 rpm
- Power: 43 W
- Static pressure: over 5,000 Pa
- Noise level: 49 dB(A)
- Operating temperature: −20 to +70 °C
- Weight: 135 g
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 410 lpm m³/h |
| Speed | 40,000 rpm |
| Power | 43 W |
| Voltage | 24V DC VAC |
| Motor frame | The unit is extremely compact and weighs only 135 grams. Mounting holes are designed for plastic screws with a diameter of 2.5 mm and a maximum screw depth of 6 mm. The external dimensions are very compact, making the unit suitable for integration into portable medical devices. |
| Impeller | The fan wheel is a centrifugal impeller that generates high static pressure – over 5,000 Pa. As the speed increases, both airflow and pressure rise, providing dynamic power with compact external dimensions. The fan wheel is optimized for respiratory applications where pressure variations between 400 Pa and 2,000 Pa occur. |
| Motor type | The motor is a DC motor designed for centrifugal fans with a nominal speed of 40,000 rpm. The voltage range is 7–30 V with a nominal voltage of 24 V DC. Power consumption is 43 W and the motor is equipped with Hall sensors for speed feedback. The operating temperature range is -20 to +70 °C. |
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