The RL90-18/12N from EBM-Papst is a compact DC centrifugal fan with forward-curved blades, measuring 120×120×38 mm. It is designed for applications where efficient and quiet airflow is required in a small form factor. With ball bearings and a robust plastic housing, it is built for long and reliable operation.
The fan is ideal for cooling in electronics, control cabinets, and medical equipment where stable airflow and a compact design are crucial. Its axial air intake and radial air outlet make it easy to integrate into many different designs.
- Voltage: 12 V DC (allowed range: 7–15 V)
- Airflow: up to 40 m³/h
- Max static pressure: 120 Pa
- Speed: 2500 rpm
- Power: 6.3 W
- Bearing type: ball bearings
- Housing: plastic, 120×120×38 mm
- Connection: 310 mm cable, built-in reverse polarity protection
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 40 m³/h |
| Speed | 2500 rpm |
| Power | 6.3 W |
| Voltage | 12 V DC VAC |
| Motor frame | The housing is made of plastic with dimensions 120 x 120 x 38 mm and a mass of 0.42 kg. Mounting is done via a flange in both mounting corners with ISO 4762 M4 screws (degreased, without extra support or washer). The mounting position for the shaft is optional. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and rotates clockwise when viewed from the rotor side. The fan is a centrifugal blower with axial air intake and radial air outlet. At a nominal speed of 2500 rpm and free air flow, the fan impeller delivers up to 40 m³/h and a maximum static pressure of 120 Pa. |
| Bearing type | ball bearing |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor without specified electronic function. It has built-in reverse polarity protection via a rectifier diode. The motor has automatic restart in case of locked rotor (auto restart). The nominal voltage is 12 V DC with an allowed voltage range of 7–15 V. |
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