The 8315100144 from EBM-Papst is a compact axial fan for direct current, designed for demanding industrial applications where high performance and reliability are crucial. The fan measures 120 × 120 × 38 mm and is powered by a 48 V DC brushless DC (BLDC) motor with integrated PWM control. Thanks to its ball bearing construction and robust plastic housing, it offers long operating life and reliable function.
The fan is ideal for control systems, server equipment, industrial electronics, and other applications where efficient cooling with precise control is required. Optional mounting position and compact dimensions make it easy to integrate into existing designs.
- Voltage: 48 V DC (range 36–60 V)
- Airflow: up to 345 m³/h at 100% PWM
- Max static pressure: 320 Pa
- Speed: 6,500 rpm
- PWM control: 1–30 kHz with automatic restart upon locked rotor
- Tach signal: open collector, /2-pulse
- Ball bearings for long service life
- Reverse polarity protection via diode
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 345 m³/h |
| Speed | 6,500 rpm |
| Power | 21 W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan has a plastic housing measuring 120 × 120 × 38 mm and weighing 0.32 kg. Mounting is done with ISO 4762 M4 screws without washers and without additional support. The maximum tightening torque during mounting is 80 Ncm in all corners. The mounting position for the shaft can be arbitrary. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and designed for axial airflow with air discharge over the struts. At free airflow and 100% PWM, a maximum airflow of 345 m³/h and a maximum static pressure of 320 Pa are achieved. The optimal operating point is 290 m³/h at 82 Pa. |
| Bearing type | ball bearing |
| Motor code | AF120-00144 |
| Rotation direction | counter-clockwise |
| Motor type | The motor is a brushless DC (BLDC) motor designed for 48 V DC with a voltage range of 36–60 V. It has integrated control electronics with PWM control (1–30 kHz) and automatic restart upon locked rotor. The motor is equipped with reverse polarity protection via a diode and a tacho signal (open collector, /2-pulse). Protection Class III according to DIN EN 62368. |
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