The 622/2HHP-021 from EBM-Papst is a compact DC axial fan in a tubeaxial design with a speed signal and open collector output. The fan measures 60 × 60 × 25 mm and is built for demanding applications where reliable airflow and precise control are crucial.
With PWM control and a wide voltage range of 10.8–13.2 V, the 622/2HHP-021 is ideal for electronics cabinets, servers, medical equipment, and industrial electronics where compact size and efficient cooling are required.
- Voltage: 12 V DC (range 10.8–13.2 V)
- Airflow: up to 56 m³/h
- Maximum static pressure: 145 Pa
- Speed: 8,200 rpm
- Power: 3.7 W
- Sound pressure: 43 dB(A)
- Bearing type: ball bearing
- Motor protection: automatic restart at locked rotor and reverse polarity protection
- Connection: 4-wire cable, 217 mm with connector
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 56 m³/h |
| Speed | 8,200 rpm |
| Power | 3.7 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan measures 60 × 60 × 25 mm and weighs 70 g. The casing is made of plastic. Mounting is done with M3 screws (ISO 4762), degreased, without washer or extra support. The maximum torque for mounting is 10 Ncm across both mounting flanges at the cable outlet corner and 20 Ncm at the other corners. |
| Casing | plastic, square |
| Impeller | The impeller is made of plastic and rotates clockwise when viewed from the rotor side. The airflow is directed outwards over the struts. At free airflow, a maximum airflow of 56 m³/h and a maximum static pressure of 145 Pa are achieved. |
| Bearing type | ball bearing |
| Motor protection | automatic restart on locked rotor |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with PWM control and a nominal voltage of 12 V. The voltage range is 10.8–13.2 V. The motor has restart protection for a locked rotor with automatic restart, and reverse polarity protection via a rectifier diode. The PWM frequency is typically 25 kHz with an operating range of 21–28 kHz. |
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