The 8218J/2H4 from EBM-Papst is a compact tubeaxial DC fan in an 80 × 80 × 38 mm format, built for demanding applications where high airflow and high static pressure are crucial. With a nominal voltage of 48 V DC and speed control, it delivers up to 220 m³/h and 710 Pa static pressure at 14,000 rpm.
The fan is ideal for dense electronic enclosures, industrial equipment, and cooling systems where efficient air movement is required in a small space. The optional mounting position and standardized M4 mounting holes make installation easy and flexible.
- Voltage: 48 V DC (range 20–58 V)
- Airflow: up to 220 m³/h
- Static pressure: up to 710 Pa
- Speed: 14,000 rpm
- Power: 37 W
- Sound pressure level: 71 dB(A)
- Bearing type: ball bearing
- Protection: reverse polarity and automatic restart in case of locked rotor
- Cable: 310 mm
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 220 m³/h |
| Speed | 14,000 rpm |
| Power | 37 W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan has a square plastic housing measuring 80 × 80 × 38 mm and weighing 0.210 kg. Mounting holes are designed for M4 screws according to ISO 4762 (degreased, without spacer). The maximum tightening torque is 50 Ncm when mounting across both flanges at the cable outlet corners and 110 Ncm at the other corners. The shaft can be mounted in any position. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and rotates counter-clockwise when viewed from the rotor side. Airflow is directed with the air outlet over the struts. At a maximum speed of 14,000 rpm, the fan impeller delivers a maximum free air flow of 220 m³/h and a maximum static pressure of 710 Pa. |
| Bearing type | ball bearing |
| Rotation direction | counterclockwise |
| Motor type | The motor is a speed-controlled DC motor with a nominal voltage of 48 V DC and a voltage range of 20–58 V. It has built-in reverse polarity protection via a rectifier diode and automatic restart in the event of a locked rotor. Locked rotor current at nominal voltage is approximately 11,000 mA. Protection class III according to current standards. |
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