The RG225-55/14/2TDMLO from EBM-Papst is a compact DC centrifugal fan with backward-curved blades, designed for demanding ventilation and blower applications. The unit measures 270 × 270 × 119 mm and delivers up to 1,090 m³/h at free air flow. With a wide voltage range of 16–36 V DC and a built-in EC motor, it is suitable for modern, energy-efficient systems.
The fan is well-suited for industrial and apparatus ventilation where precise speed control via PWM signal or analog 0–10 V is required. The optional mounting position provides great flexibility for installation in confined spaces.
- Voltage: 24 V DC (permitted range 16–36 V)
- Air flow: up to 1,090 m³/h
- Max static pressure: 450 Pa
- Speed: 2,500 rpm
- Power: 90 W
- Speed control: PWM (1–10 kHz) or analog 0–10 V
- Bearing type: ball bearing
- Housing: plastic, mounting position optional
- Electrical connection: cable 350 mm (AWG 20/22)
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 1090 m³/h |
| Speed | 2500 rpm |
| Power | 90W |
| Voltage | 24V DC VAC |
| Motor frame | The fan is designed as a complete blower unit with dimensions of 270 × 270 × 119 mm and a weight of 1.742 kg. The casing is made of plastic. The motor shaft can be mounted in any position. Electrical connection is made via four cables (AWG 20/22) with a cable length of 350 mm. |
| Casing | plastic |
| Impeller | The fan impeller is made of plastic and is a centrifugal (blower-type) impeller where air flows in axially and out radially. At a maximum speed of 2500 rpm, the fan impeller delivers a free airflow of up to 1090 m³/h and a maximum static pressure of 450 Pa. The optimal operating point is 750 m³/h at 232 Pa. The fan impeller's dimensions are 225 mm in diameter. |
| Bearing type | ball bearing |
| Motor code | RG225-55/14/2TDMLO |
| Rotation direction | clockwise |
| Motor type | The motor is an EC motor (electronically commutated) with speed control via PWM signal (1–10 kHz) or analog voltage 0–10 V. The nominal voltage is 24 V DC with an allowed voltage range of 16–36 V. The maximum power consumption is 90 W and the maximum speed is 2500 rpm. The motor has reverse polarity protection via P-CH FET and automatic restart upon locked rotor. Enclosure class III according to electrical safety standards. |
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