The QG030-148/14 from EBM-Papst is a compact DC tangential (cross-flow) fan – 203.5 × 47.5 × 50 mm – with a maximum airflow of 71 m³/h. It is powered by a 24 V DC motor with a wide voltage range of 16–28 V and is built for reliable operation in demanding environments.
The tangential fan is ideal for applications that require an even and wide airflow along a surface, such as in heat exchangers, air curtains, medical equipment, and industrial electronics.
- Voltage: 24 V DC (range 16–28 V)
- Airflow: up to 71 m³/h (free air delivery)
- Max operating point: 52 m³/h at 25 Pa
- Speed: 4,450 rpm
- Power: 6.6 W, rated current 240 mA
- Bearing type: ball bearing (motor), sleeve bearing (rotor) – L10 30,000 h at 40 °C
- Motor protection: PTC (overload protection, locked rotor, and reverse polarity)
- Housing: metal scroll with tongue, plastic side panels
- Connection: cable 300 mm, mounting position optional
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 71 m³/h |
| Speed | 4450 rpm |
| Power | 6.6 W |
| Voltage | 24V DC VAC |
| Motor frame | The fan has a width of 203.5 mm, height of 47.5 mm, and depth of 50.0 mm, with a weight of 0.235 kg. The scroll housing with tongue is made of metal and the side parts are made of plastic. The surface of the rotor housing has an electrophobic surface treatment. The mounting position is optional, with the horizontal motor shaft as a reference. |
| Casing | metal (spiral with tongue), plastic (side parts) |
| Impeller | The fan impeller is a tangential (cross-flow) type with a metal impeller. The rotor bearing is a plain bearing. With free airflow and 4,450 rpm, a maximum airflow of 71 m³/h is achieved. The maximum allowable operating point is 52 m³/h at 25 Pa. |
| Bearing type | ball bearings (engine), plain bearings (rotor) |
| Motor protection | PTC (overload and locked rotor protection) |
| Motor code | QG030-148/14 |
| Rotation direction | clockwise (viewed from the engine side) |
| Motor type | The motor is a DC motor with a nominal voltage of 24 V and a voltage range of 16–28 V. The current consumption is 240 mA at free airflow and nominal voltage. The motor is equipped with PTC protection against reverse polarity and locked rotor. The motor bearing is a ball bearing for long service life, with a calculated L10 lifetime of 30,000 hours at 40 °C. |
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