The 252N from EBM-Papst is a compact axial DC fan with a wall ring, measuring just 25 × 25 × 8 mm and weighing 5 grams. It is built for 12 V DC and is ideal for cooling electronics and other precision-demanding equipment where space is limited. Despite its small size, it delivers an airflow of 3.4 m³/h at 9,000 rpm.
The fan is aimed at designers and technicians who need a reliable, quiet component for embedded systems, medical equipment, or industrial electronics.
- Voltage: 12 V DC (range 10.8–14.0 V)
- Airflow: 3.4 m³/h, max static pressure 28 Pa
- Speed: 9,000 rpm
- Noise level: 15 dB(A)
- Power consumption: 0.55 W
- Impedance-protected motor with reverse polarity protection
- Connection via 160 mm cable
- Optional mounting position with ISO 4762 M2.5 screws
At Reserv, you will find original parts from EBM-Papst with fast delivery and reliable availability through established wholesale warehouses. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 3.4 m³/h |
| Speed | 9,000 rpm |
| Power | 0.55 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has a plastic casing with dimensions of 25 × 25 × 8 mm and weighs only 5 grams. Mounting is done with ISO 4762 M2.5 screws, degreased and without a washer. The maximum tightening torque during mounting across both mounting flanges is 20 Ncm in remaining corners. |
| Casing | plastic, square |
| Impeller | The impeller is made of plastic and rotates counter-clockwise when viewed from the rotor side. The airflow is directed outwards over the support legs. At a nominal speed of 9000 rpm, the impeller delivers a maximum free air flow of 3.4 m³/h and a maximum static pressure of 28 Pa. |
| Bearing type | plain bearing |
| Motor protection | impedance protected |
| Motor code | VWCA025AHBAS |
| Rotation direction | counter-clockwise |
| Motor type | The motor is a DC motor without additional electronic functions and with reverse polarity protection via a rectifier diode. It is impedance-protected against locked rotor with a locked rotor current value of approximately 60 mA at nominal voltage. The nominal voltage is 12 V DC with a voltage range of 10.8–14.0 V. Power consumption at free airflow is 0.55 W at nominal voltage. |
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