The RER125-19/14N from EBM-Papst is a compact DC radial fan with a round housing of Ø138×35 mm, designed for applications where efficient airflow in a small space is crucial. The fan is powered by 24 V DC and delivers up to 110 m³/h with a power consumption of only 4.3 W. Thanks to backward-curved blades and a fiberglass-reinforced impeller, high performance is combined with quiet and reliable operation.
The RER125-19/14N is well-suited for medical equipment, telecommunications, industrial electronics, and other applications where a compact size, low power consumption, and long operating life are important requirements. The wide voltage range of 12–28 V DC provides extra flexibility in design.
- Voltage: 24 V DC (allowed range: 12–28 V DC)
- Airflow: up to 110 m³/h
- Speed: 2,650 rpm
- Power: 4.3 W
- Housing: plastic, round, Ø138×35 mm, weight 0.320 kg
- Bearing type: ball bearing, L10 62,500 h at 40 °C
- Motor protection: reverse polarity protection, blocked rotor protection, and electronic overload protection
- Approvals: VDE, CSA, UL, CE
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 110 m³/h |
| Speed | 2650 rpm |
| Power | 4.3 W |
| Voltage | 24V DC VAC |
| Motor frame | The fan is a compact centrifugal fan with an outer diameter of 138 mm and a depth of 35 mm. The weight is 0.320 kg. The bearings are ball bearings with an L10 service life of 62,500 hours at 40 °C and 27,500 hours at maximum temperature. The operating temperature range is -30 °C to +75 °C. |
| Casing | plastic, round, Ø138x35 mm |
| Impeller | The impeller has backward-curved blades and is made of glass-fiber reinforced plastic. It is a single-inlet impeller with axial air intake and radial discharge. The impeller's diameter is 125 mm and it provides an airflow of up to 110 m³/h. The direction of rotation is clockwise when looking at the rotor. |
| Bearing type | ball bearing |
| Motor protection | reverse polarity and locked rotor protection, electronic overload protection |
| Motor code | RER125-19/14N |
| Rotation direction | clockwise, viewed towards the rotor |
| Motor type | The motor is a DC motor designed for a nominal voltage of 24 V DC with a permissible voltage range of 12–28 V DC. It has a power requirement of 4.3 W and a nominal speed of 2650 rpm. The motor is equipped with electronic protection against locked rotor and overload, as well as reverse polarity protection. Approvals include VDE, CSA, UL, and CE. A speed signal is available as an option. |
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