The RG125-19/18N from EBM-Papst is a DC centrifugal fan with backward-curved blades in the 180×180×40 mm format. It operates at 48 V DC with a voltage range of 36–56 V and delivers up to 88 m³/h at free air flow. Compact and efficient – a reliable solution for applications with limited space.
With its axial inlet and radial outlet, the RG125-19/18N is ideal for control cabinets, medical equipment, and industrial electronics where precise and quiet cooling or ventilation is required. The optional mounting position offers great flexibility during installation.
- Voltage: 48 V DC (range 36–56 V)
- Air flow: up to 88 m³/h
- Maximum static pressure: 180 Pa
- Speed: 2,550 rpm
- Power: 4.8 W
- Bearing type: ball bearing
- Motor protection: automatic restart on locked rotor, reverse polarity protection
- Electrical connection: cable 310 mm
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 88 m³/h |
| Speed | 2550 rpm |
| Power | 4.8 W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan has dimensions of 180 × 180 × 40 mm and a mass of 0.73 kg. Mounting is via a flange with ISO 4762 M4 screws, degreased without a spacer. The maximum tightening torque during mounting is 70 Ncm in all corners. |
| Casing | mixed media, square |
| Impeller | The fan impeller is a radial fan (blower) type, where air is drawn in axially and blown out radially. The fan impeller is made of composite material. At a nominal speed of 2550 rpm, the fan impeller provides a maximum free airflow of 88 m³/h and a maximum static pressure of 180 Pa. |
| Bearing type | ball bearing |
| Motor protection | automatic restart at locked rotor |
| Motor code | RG125-19/18N |
| 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. Power consumption at free airflow is 4.8 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. Protection class III. |
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