The RG90-18/18N from EBM-Papst is a compact DC centrifugal fan with forward-curved blades, in a 135 × 135 × 38 mm format. The fan operates with a nominal voltage of 48 V DC and delivers up to 55 m³/h at free air flow – a reliable choice for applications requiring efficient airflow in a small form factor.
With its axial air intake and radial air outlet, the RG90-18/18N is well-suited for cooling electronics, control cabinets, and industrial equipment. Its optional mounting position and compact FlatPak profile make it easy to integrate into confined spaces.
- Voltage: 48 V DC (range 36–56 V)
- Airflow: up to 55 m³/h
- Maximum static pressure: 100 Pa
- Speed: 2,200 rpm
- Power: 6.1 W, rated current 127 mA
- Bearing type: ball bearing
- Protection: reverse polarity protection, automatic restart for locked rotor, protection class III
- Electrical connection: cable 340 mm
At Reserv, EBM-Papst original parts are stocked by established wholesalers, ensuring genuine quality and fast delivery. Order confidently and get the right component for your application.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 55 m³/h |
| Speed | 2200 rpm |
| Power | 6.1 W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan has dimensions of 135 × 135 × 38 mm and weighs 440 g. Mounting is done via flange attachment with ISO 4762 M4 screws, degreased and without a washer. The maximum tightening torque during assembly is 50 Ncm in all corners. |
| Casing | mixed media, centrifugal fan |
| Impeller | The fan impeller is made of plastic and is a centrifugal blower with axial air intake and radial air outlet. At 2200 rpm and free air flow, the fan impeller delivers a maximum flow of 55 m³/h and a maximum static pressure of 100 Pa. The optimal operating point is 25 m³/h at 85 Pa. |
| Bearing type | ball bearing |
| Motor code | RG90-18/18N |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with a nominal voltage of 48 V and a voltage range of 36–56 V. With free airflow and nominal voltage, the motor consumes 6.1 W and draws 127 mA. The motor has reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. Protection class III. |
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