The 8218J/2H4P from EBM-Papst is a compact DC axial fan with a wall ring, measuring 80 × 80 × 38 mm. It belongs to the S-Force series and is built for demanding applications where high airflow and high static pressure are crucial. Thanks to ball bearings and a wide voltage range of 20–58 V DC, it offers a long service life and flexible installation.
The fan is ideal for dense cooling applications, server cabinets, industrial electronics, and other equipment where powerful airflow is required in a small format. PWM control (1–5 kHz) enables easy speed control directly within the system.
- Voltage: 48 V DC (range 20–58 V)
- Airflow: up to 220 m³/h
- Maximum static pressure: 710 Pa
- Rotational speed: 14,000 rpm
- Power: 37 W
- Bearing type: ball bearing
- Sound pressure: 71 dB(A)
- Dimensions: 80 × 80 × 38 mm, weight 210 g
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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 dimensions of 80 × 80 × 38 mm and weighs 210 g. The casing is made of plastic. Mounting is done with ISO 4762 M4 screws, degreased and without a washer. The maximum tightening torque during mounting is 50 Ncm at the cable outlet corner and 110 Ncm at the other corners. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and rotates counter-clockwise when viewed from the rotor side. The airflow is directed outwards over the struts (air outlet over struts). At a maximum speed of 14,000 rpm, a free air flow of 220 m³/h is achieved, and a maximum static pressure of 710 Pa. The optimal operating point is 135 m³/h at 330 Pa. |
| Bearing type | ball bearing |
| Rotation direction | counterclockwise |
| Motor type | The motor is an electronically speed-controlled DC motor with a nominal voltage of 48 V and a voltage range of 20–58 V. It is controlled via PWM signal (1–5 kHz) and has a speed of up to 14,000 rpm at free airflow. The motor is equipped with reverse polarity protection via rectifier diode and automatic restart in case of locked rotor. The inrush current consumption is 2,800 mA, and the motor is protected against locked rotor with a cycle of 0.5 s/10 s. |
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