The RG90-18/12N from EBM-Papst is a DC centrifugal fan with forward-curved blades and compact dimensions of 135 × 135 × 38 mm. It operates at 12 V DC and delivers up to 55 m³/h at free air flow – an efficient choice for demanding cooling and ventilation applications.
Thanks to its low profile height and optional mounting position, the fan is excellent for control cabinets, medical equipment, and industrial electronics where space is limited but airflow is critical.
- Voltage: 12 V DC (range 7–15 V)
- Airflow: up to 55 m³/h
- Max static pressure: 100 Pa
- Speed: 2,200 rpm
- Power: 6.6 W
- Bearing type: ball bearing
- Motor protection: automatic restart at locked rotor and reverse polarity protection
- Approvals: CE, UL, VDE, CSA
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 55 m³/h |
| Speed | 2200 rpm |
| Power | 6.6 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has a mixed-material housing measuring 135 x 135 x 38 mm and weighing 0.44 kg. Mounting is done with degreased ISO 4762 M4 screws, without additional support or washers. The maximum tightening torque for the mounting flanges is 50 Ncm in all corners. The mounting position for the shaft is optional. |
| Casing | mixed media, square |
| Impeller | The fan impeller is made of plastic and is of the centrifugal (blower) type. The airflow enters axially and exits radially. At a nominal speed of 2200 rpm, the fan impeller delivers a maximum free airflow of 55 m³/h and a maximum static pressure of 100 Pa. The optimal operating point is 29 m³/h at 80 Pa. |
| Bearing type | ball bearing |
| Motor protection | automatic restart on locked rotor |
| Motor code | RG90-18/12N |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with a nominal voltage of 12 V and a voltage range of 7–15 V. The current consumption at free air flow is 554 mA at nominal voltage. The motor has built-in reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. The enclosure class is protection class III, and the motor is approved according to CE, UL, VDE, and CSA. |
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