The 4318 from EBM-Papst is a compact DC axial fan with a flanged housing, designed for reliable and quiet operation in demanding environments. Measuring 119 × 119 × 32 mm, the fan is powered by a brushless DC motor with a nominal voltage of 48 V. With an airflow of 170 m³/h and a noise level of only 45 dB(A), it is ideal for electronics cabinets, cooling units, and industrial ventilation equipment.
Thanks to its arbitrary mounting position and simple 310 mm cable connection, the fan is easy to integrate into both new designs and as a direct replacement in existing systems.
- Airflow: 170 m³/h
- Voltage range: 36–53 V DC (nominal 48 V)
- Rotational speed: 2,800 rpm
- Power: 5.1 W – current: 107 mA
- Maximum static pressure: 78 Pa
- Ball bearings for long service life
- Reverse polarity protection and automatic restart in case of locked rotor
- Dimensions: 119 × 119 × 32 mm, plastic casing
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 170 m³/h |
| Speed | 2800 rpm |
| Power | 5.1 W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan is mounted via mounting flanges in all four corners using ISO 4762 M4 screws, degreased and without washers. The maximum tightening torque is 20 Ncm in all corners. The mounting position of the shaft can be arbitrary. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and mounted in a plastic casing measuring 119 x 119 x 32 mm. At free airflow and a nominal speed of 2800 rpm, the fan delivers a maximum airflow of 170 m³/h and a maximum static pressure of 78 Pa. The airflow direction is outward over the struts. |
| Bearing type | ball bearing |
| Motor code | VWC0119AUJAS |
| Rotation direction | clockwise |
| Motor type | The motor is a brushless DC motor with a nominal voltage of 48 V and a voltage range of 36–53 V. At nominal voltage, the motor consumes 5.1 W with a current of 107 mA. The motor has reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. The protection class is III. |
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