The 3214J/2H4P from EBM-Papst is a compact DC axial fan with a flange, measuring 92 × 92 × 38 mm, designed for demanding applications where high airflow and precise speed control are crucial. The fan operates at a nominal 24 V DC and delivers up to 285 m³/h at free air flow.
Thanks to built-in PWM control (1–5 kHz) and a wide voltage range of 12–27.6 V, the fan is ideal for industrial electronics, server cooling, and ventilation systems where variable speed and a compact form factor are required.
- Voltage: 24 V DC (range 12–27.6 V)
- Airflow: up to 285 m³/h
- Maximum static pressure: 725 Pa
- Speed: 13,000 rpm
- Power: 50 W
- Bearing type: ball bearing
- Speed control: PWM signal with tachometer signal
- Motor protection: automatic restart on locked rotor and reverse polarity protection
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 285 m³/h |
| Speed | 13,000 rpm |
| Power | 50 W |
| Voltage | 24V DC VAC |
| Motor frame | The housing is square with dimensions 92 × 92 × 38 mm and made of plastic. Fastening is done with ISO 4762 M4 screws without washer or additional support. The mounting position is optional with the shaft in any direction. The maximum torque for mounting is 30 Ncm in all mounting corners. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and rotates clockwise when viewed from the rotor side. The airflow direction is outward over the struts (air outlet over struts). At 13,000 rpm and free airflow, the fan impeller delivers up to 285 m³/h and a maximum static pressure of 725 Pa. The optimal operating point is 185 m³/h at 400 Pa. |
| Bearing type | ball bearing |
| Motor protection | automatic restart on locked rotor |
| Motor code | VWCF092JJGNS |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with electronic speed control via PWM signal (1–5 kHz). Nominal voltage is 24 V DC with a voltage range of 12–27.6 V. The motor has reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. Locked-rotor current is approximately 6500 mA, and the motor has a maximum quiescent current of 300 µA at nominal voltage. |
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