The 8218J/2NP-181 from EBM-Papst is a compact DC tubeaxial fan with speed signal and open collector output, designed for reliable cooling and ventilation in electronics and industry. The fan delivers up to 91 m³/h and is built with ball bearings for a long service life. The square plastic housing of 92 × 92 × 25.4 mm fits easily into tight spaces.
With a wide voltage range of 8–15 V and built-in protection against locked rotor and reverse polarity, the fan is a robust choice for applications requiring reliable cooling with monitoring functionality.
- Voltage: 12 V DC (range 8–15 V)
- Airflow: up to 91 m³/h
- Maximum static pressure: 47 Pa
- Speed: 3000 rpm
- Power: 2.5 W
- Sound pressure: 35 dB(A)
- Bearing type: ball bearing
- Housing: plastic, 92 × 92 × 25.4 mm
- Connection: 310 mm cable
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 91 m³/h |
| Speed | 3000 rpm |
| Power | 2.5 W |
| Voltage | 12 V DC VAC |
| Motor frame | The casing is made of plastic and measures 92 × 92 × 25.4 mm. It is mounted using ISO 4762 M4 screws, degreased and without washers. The maximum tightening torque during mounting is 40 Ncm in the cable outlet corner and 60 Ncm in the other corners. The fan weighs 0.106 kg. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and designed for axial flow with air discharge over the struts. At a nominal speed of 3000 rpm, the fan impeller delivers a maximum free air flow of 91 m³/h and a maximum static pressure of 47 Pa. The optimal operating point is 70 m³/h at 13 Pa. |
| Bearing type | ball bearing |
| Rotation direction | counter-clockwise |
| Motor type | The motor is a DC motor with a nominal voltage of 12 V and a voltage range of 8–15 V. The power consumption at free airflow is 2.5 W at nominal voltage. The motor has built-in protection against locked rotor with automatic restart, as well as reverse polarity protection via a rectifier diode. The motor shaft can be mounted horizontally, and the direction of rotation is counter-clockwise when viewed from the rotor side. |
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