The RL48-19/12/2 from EBM-Papst is a compact DC radial fan from the FlatPak series, designed for centrifugal operation with axial intake and centrifugal discharge. The fan measures 76 × 76 × 27 mm and weighs only 75 grams, making it ideal where space is limited. With a 12 V DC supply and a power requirement of just 3.6 W, it delivers impressive performance in a small form factor.
The RL48-19/12/2 is perfectly suited for electronics cabinets, medical equipment, and industrial apparatus where quiet, reliable, and energy-efficient airflow is required in a compact design. Optional mounting position provides great flexibility during installation.
- Voltage: 12 V DC (operating range 8–13.5 V)
- Power: 3.6 W
- Rated current: 300 mA
- Airflow: max 27 m³/h
- Static pressure: max 145 Pa
- Speed: 4,400 rpm
- Bearing type: ball bearing
- Motor protection: automatic restart upon locked rotor and reverse polarity protection
- Electrical connection: 310 mm cable
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 27 m³/h |
| Speed | 4400 rpm |
| Power | 3.6 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has a plastic-free housing measuring 76 x 76 x 27 mm and weighing 0.075 kg. Mounting is done via a flange with ISO 4762 M4 screws, degreased and without a washer. The maximum tightening torque for mounting screws is 120 Ncm at all corners. The motor shaft can be in a horizontal or any other position. |
| Casing | plastic |
| Impeller | The fan impeller is made of plastic and is designed for centrifugal operation with axial intake and centrifugal exhaust. At nominal voltage and free air delivery, the fan impeller achieves a speed of 4,400 rpm. The maximum free air flow is 27 m³/h and the maximum static pressure is 145 Pa. The optimal operating point is 22 m³/h at 48 Pa. |
| Bearing type | ball bearing |
| Motor protection | automatic restart on locked rotor |
| Rotation direction | counter-clockwise |
| Motor type | The motor is a DC motor with a nominal voltage of 12 V and a voltage range of 8–13.5 V. With free air supply and nominal voltage, the motor consumes 3.6 W and draws 300 mA. The motor has reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. The protection class is III, and the insulation resistance exceeds 10 MOhm. |
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