The 624/2H3P is a compact DC axial fan from EBM-Papst with an accompanying wall ring, designed for reliable cooling in electronics and industrial applications. The fan measures 60 × 60 × 25 mm and is powered by 24 V DC with an allowed voltage range of 18–28 V. With an airflow of up to 67 m³/h and a maximum static pressure of 200 Pa, it delivers efficient performance in a small form factor.
Thanks to PWM speed control, built-in locked rotor protection, and reverse polarity protection, the 624/2H3P is ideal for control cabinets, servers, and industrial control equipment where operational reliability and controllability are important.
- Voltage: 24 V DC (18–28 V)
- Airflow: up to 67 m³/h
- Maximum static pressure: 200 Pa
- Speed: 9,700 rpm
- Power: 5.2 W
- Sound pressure: 48 dB(A)
- Bearing type: ball bearing
- Connection: 310 mm cable with open collector tach signal
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 67 m³/h |
| Speed | 9700 rpm |
| Power | 5.2 W |
| Voltage | 24V DC VAC |
| Motor frame | The housing is made of plastic and measures 60 × 60 × 25 mm with a weight of 70 g. Mounting screws of type ISO 4762 - M3 are used for assembly. The maximum tightening torque varies depending on the mounting corner: 10 Ncm at the cable corner and 20 Ncm at the other corners. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and designed for axial flow with air discharge over the struts. With free air intake, a maximum airflow of 67 m³/h and a maximum static pressure of 200 Pa are achieved at 9,700 rpm. The optimal operating point is 44 m³/h at 86 Pa. |
| Bearing type | ball bearing |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with electronic speed control via PWM signal (1–30 kHz). Nominal voltage is 24 V DC with an allowed voltage range of 18–28 V. The motor has built-in locked rotor protection with automatic restart and reverse polarity protection via a rectifier diode. Locked rotor current is approximately 750 mA and starting current is 750 mA. |
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