The QG030-303/12 from EBM-Papst is a DC tangential fan (cross-flow fan) in the blower and centrifugal fan category. Measuring 365.5 × 47.5 × 50.0 mm and featuring a metal impeller, it delivers up to 133 m³/h at free air flow – all in a compact and lightweight format of 380 g.
Thanks to its slim, elongated design, the QG030-303/12 is ideal for applications with limited space, such as control cabinets, display units, medical equipment, and industrial machinery. The speed signal (TTL-compatible) makes it easy to monitor and regulate operation in demanding systems.
- Voltage: 12 V DC, range 8–14 V
- Airflow: up to 133 m³/h (free air flow)
- Power: 10 W, rated current 710 mA
- Speed: 4,000 rpm
- Bearing type: ball bearings (motor), plain bearings (rotor)
- Motor protection: PTC – reverse polarity and locked rotor protection
- Housing: metal scroll with tongue, plastic side parts
- Lifetime L10: 30,000 hours at 40 °C
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 133 m³/h |
| Speed | 4000 rpm |
| Power | 10 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan has dimensions of 365.5 mm (width) × 47.5 mm (height) × 50.0 mm (depth) and weighs 380 g. The mounting position for the shaft is optional. The scroll housing with tongue is made of metal and the side parts are made of plastic. |
| Casing | metal (spiral with tongue), plastic (side parts) |
| Impeller | The fan impeller is a cross-flow type made of metal. With free airflow and 3,950 revolutions per minute, the fan delivers a maximum airflow of 133 m³/h. The maximum allowed operating point is 94 m³/h at a static pressure of 26 Pa. The rotor is coated with an electrophobic surface treatment for protection. |
| Bearing type | ball bearings (engine), plain bearings (rotor) |
| Motor protection | PTC (overcurrent and locked rotor protection) |
| Motor code | QG030-303/12 |
| Rotation direction | clockwise |
| Motor type | The motor is a DC motor with ball bearings and a nominal voltage of 12 V DC with a voltage range of 8–14 V. With free airflow and nominal voltage, power consumption is up to 10 W and current consumption is up to 710 mA. The motor has PTC protection against reverse polarity and locked rotor, with a reaction time of less than 30 seconds and 300 seconds respectively at 23°C. The L10 lifetime is 30,000 hours at 40°C ambient temperature. |
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