The RG125-19/12N from EBM-Papst is a DC centrifugal fan with backward-curved blades, featuring compact dimensions of 180 × 180 × 40 mm. The fan is designed for efficient radial airflow and is ideal for applications where quiet and reliable cooling or ventilation is required.
With a voltage range of 7–15 V DC, the RG125-19/12N is well-suited for electronics cabinets, medical equipment, and industrial applications where reliable DC operation is a requirement. Its compact profile and optional mounting position offer great flexibility during installation.
- Voltage: 12 V DC (range 7–15 V)
- Airflow: up to 88 m³/h
- Maximum static pressure: 180 Pa
- Rotational speed: 2,550 rpm
- Power: 5.2 W / Current: 433 mA
- Bearing type: ball bearing, L10 lifetime 62,500 h at 40 °C
- Motor protection: automatic restart at locked rotor and reverse polarity protection
- Connection: 310 mm cable
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 88 m³/h |
| Speed | 2550 rpm |
| Power | 5.2 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has a square frame with dimensions of 180 × 180 × 40 mm and weighs 0.75 kg. It is mounted using ISO 4762 M4 screws without washers or additional support. The maximum tightening torque for the mounting screws is 70 Ncm in all corners. |
| Casing | mixed media, square |
| Impeller | The fan impeller is made of a composite material and is of centrifugal type (radial blower), where air is drawn in axially and blown out radially. At a nominal speed of 2,550 rpm, a maximum free air flow of 88 m³/h and a maximum static pressure of 180 Pa are achieved. The fan impeller's direction of rotation is clockwise when viewed towards the rotor. |
| Bearing type | ball bearing |
| Motor protection | automatic restart on locked rotor |
| Motor code | RG125-19/12N |
| Rotation direction | clockwise (viewed facing the rotor) |
| Motor type | The motor is a DC motor with a nominal voltage of 12 V and a voltage range of 7–15 V. The power consumption at free airflow is 5.2 W, and the current consumption is 433 mA at nominal voltage. The motor has built-in reverse polarity protection via a rectifier diode and automatic restart at locked rotor. The L10 lifetime is 62,500 hours at 40 °C ambient temperature. |
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