The 3252J/2H3PU from EBM-Papst is a compact tubeaxial fan with dimensions of 92 × 92 × 38 mm, designed for demanding environments where high capacity and robust protection are crucial. The fan operates on 12 V DC and delivers up to 270 m³/h in free air flow. Thanks to its IP68 rating, it can withstand dust, moisture, and temporary submersion in water.
With PWM control and high static pressure, the 3252J/2H3PU is ideally suited for industrial equipment, marine applications, and other environments where conventional fans are insufficient. Optional mounting positions provide great flexibility during installation.
- Voltage: 12 V DC (operating range 7–13.2 V)
- Airflow: up to 270 m³/h
- Max static pressure: 370 Pa at 7,450 rpm
- Power: 35 W at 100% PWM
- Protection class: IP68
- Bearing type: stainless steel ball bearing
- Speed control: PWM signal 1–30 kHz (typical 25 kHz)
- Motor protection: locked rotor protection with automatic restart and reverse polarity protection
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 270 m³/h |
| Speed | 4900/7450/7850 rpm |
| Power | 35 W |
| Voltage | 12 V DC VAC |
| Motor frame | The housing is made of plastic and measures 92 × 92 × 38 mm with a weight of 0.26 kg. Mounting is done with ISO 4762 M4 screws without washers and without extra support. The maximum tightening torque is 50 Ncm at the cable corner and 110 Ncm at the other corners. The mounting position for the shaft is optional. |
| Casing | plastic, square |
| Impeller | The impeller is made of plastic and rotates clockwise when viewed towards the rotor. The airflow is directed over the struts (air outlet over struts). In free airflow, a maximum airflow of 270 m³/h and a maximum static pressure of 370 Pa are achieved at 7,450 rpm. |
| Bearing type | stainless steel ball bearings |
| IP class | IP68 |
| Motor protection | locked rotor protection with automatic restart |
| Motor code | 3252 J/2H3PU |
| Rotation direction | clockwise (viewed facing the rotor) |
| Motor type | The motor is a DC motor with speed control via PWM signal (1–30 kHz, typically 25 kHz). The nominal voltage is 12 V DC with an operating range of 7–13.2 V. With free airflow and 100% PWM, the power consumption is 35 W and the current consumption is 2,900 mA. The motor has reverse polarity protection via diode and locked rotor protection with automatic restart. Protection class III. |
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