The 4314/17T from EBM-Papst is a compact DC tubeaxial fan, designed for demanding cooling applications where temperature-controlled air management is crucial. Measuring 119 × 119 × 32 mm, the fan delivers up to 170 m³/h at free air flow and 2800 rpm. With a robust plastic housing and ball bearings, it is built for a long and reliable service life.
Thanks to built-in NTC-based speed control, the fan automatically adjusts its speed according to the ambient temperature – low speed in cold conditions and full speed in warm conditions. This makes it ideal for control cabinets, medical equipment, and industrial electronics where intelligent thermal management is required.
- Voltage: 24 V DC (range 18–32 V)
- Airflow: up to 170 m³/h
- Speed: 1400 rpm (low) / 2800 rpm (high)
- Power: 4.8 W
- Sound pressure: 45 dB(A)
- Bearing type: ball bearing
- Housing: plastic, round, 119 × 119 × 32 mm
- Protection: reverse polarity protection via rectifier diode, automatic restart in case of locked rotor
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 170 m³/h |
| Speed | 1400/2800 rpm |
| Power | 4.8 W |
| Voltage | 24V DC VAC |
| Motor frame | The unit has dimensions 119 x 119 x 32 mm and weighs 220 g. The casing is made of plastic. The mounting position is arbitrary, and ISO 4762 M4 (degreased, without washer) mounting screws are used. The maximum tightening torque during mounting is 20 Ncm for all mounting flange corners. |
| Casing | plastic, round |
| Impeller | The impeller is made of plastic and rotates clockwise when viewed from the rotor side. The airflow is directed over the struts (air outlet over struts). At maximum speed (2800 rpm), the fan provides a free airflow of 170 m³/h and a maximum static pressure of 70 Pa. The optimal operating point is 134 m³/h at 17 Pa. |
| Bearing type | ball bearing |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with electronic speed control and automatic restart upon locked rotor. The nominal voltage is 24 V DC with a voltage range of 18–32 V. The motor has two speed modes: approx. 1400 rpm at low temperature (NTC >= 78 kOhm / TU <= 30 °C) and approx. 2800 rpm at high temperature (NTC <= 34 kOhm / TU >= 50 °C). Reverse polarity protection is provided by a rectifier diode, and the motor is rated as protection class III. |
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