The RL48-19/14 from EBM-Papst is a compact DC centrifugal fan with forward-curved blades, measuring 76 × 76 × 27 mm. It is designed for efficient airflow in confined spaces, delivering up to 25 m³/h at free air flow. With its flat FlatPak format, it is ideal where mounting space is limited.
The fan is well-suited for cooling electronics, control cabinets, and medical equipment where reliable and quiet airflow is required around the clock.
- Voltage: 24 V DC (18–26.4 V)
- Airflow: up to 25 m³/h
- Maximum static pressure: 140 Pa
- Speed: 4,400 rpm
- Power: 3.3 W
- Bearing type: ball bearing
- Housing: plastic, 76 × 76 × 27 mm
- Electrical connection: cable 310 mm
The motor is brushless with reverse polarity protection and automatic restart in case of locked rotor. The operating temperature ranges from −20 °C to +70 °C, providing broad applicability in demanding environments.
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 25 m³/h |
| Speed | 4400 rpm |
| Power | 3.3 W |
| Voltage | 24V DC VAC |
| Motor frame | The housing is made of plastic with dimensions 76 × 76 × 27 mm and a mass of 0.075 kg. Mounting screws of type ISO 4762 M4 are used for attachment. The maximum tightening torque during assembly across both mounting flanges is 120 Ncm in all corners. |
| Casing | plastic, square |
| Impeller | The impeller is made of plastic and rotates counter-clockwise when viewed from the rotor side. The fan is a centrifugal blower with axial inlet and centrifugal outlet. At a nominal speed of 4,400 rpm, the impeller provides a maximum free airflow of 25 m³/h and a maximum static pressure of 140 Pa. |
| Bearing type | ball bearing |
| Rotation direction | counter-clockwise |
| Motor type | The motor is a brushless DC motor with a nominal voltage of 24 V DC and a voltage range of 18–26.4 V. Power consumption at free airflow is 3.3 W at nominal voltage. The motor is equipped with reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. The operating temperature range is -20 °C to +70 °C. |
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