The RG125-19/12NM from EBM-Papst is a DC centrifugal fan with backward-curved blades, measuring 180×180×40 mm. It is designed to draw in air axially and discharge it radially, making it ideal for applications requiring efficient, directed airflow in a compact unit. With a wide voltage range of 7–15 V DC, it is suitable for flexible power supply solutions.
The fan is well-suited for cooling electronics, control cabinets, medical equipment, and industrial ventilation. The optional mounting position and the four flanges in the corners simplify integration into both new and existing systems.
- Voltage: 12 V DC (range 7–15 V)
- Airflow: up to 60 m³/h
- Static pressure: up to 80 Pa
- Speed: 1,750 rpm
- Power: 2 W, rated current 170 mA
- Bearing type: ball bearing
- Protection: reverse polarity (rectifier diode), automatic restart upon locked rotor, protection class III
- Connection: 310 mm cable, mounted via ISO 4762 M4 screws
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 60 m³/h |
| Speed | 1750 rpm |
| Power | 2 W |
| Voltage | 12 V DC VAC |
| Motor frame | The housing measures 180×180×40 mm and weighs 0.73 kg. Mounting is done via flanges in all four corners using ISO 4762 M4 screws (degreased, without washer). The motor can be mounted in any position with the shaft in a horizontal position according to the measurement conditions. |
| Casing | mixed media, centrifugal fan |
| Impeller | The fan impeller is a centrifugal fan (blower) type with axial air intake and radial air discharge. The fan impeller is made of mixed materials and has a diameter adapted for an 180×180×40 mm housing. At a nominal speed of 1,750 rpm, a maximum free airflow of 60 m³/h and a maximum static pressure of 80 Pa are delivered. |
| Bearing type | ball bearing |
| Motor code | RG125-19/12NM |
| 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. At free airflow and nominal voltage, the motor consumes 2 W and 170 mA. The motor has built-in reverse polarity protection via a rectifier diode and automatic restart in case of a locked rotor. Protection class III. |
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