The R3G250-RN46-01 from EBM-Papst is a DC centrifugal fan with backward-curved blades, designed for demanding ventilation and air conditioning applications. The fan is powered by 24 V DC with an EC motor of type M3G074-CF and delivers an impressive airflow of up to 1505 m³/h. Thanks to the RadiCal impeller with 7 PA blades, high performance is combined with energy-efficient operation.
The fan is ideal for air handling units, refrigeration systems, and industrial ventilation systems where compact size and high capacity are crucial. The EC motor's control input (0–10 V DC/PWM) allows for easy integration of speed control into existing control systems.
- Airflow: up to 1505 m³/h
- Voltage: 24 V DC (range 16–28 V DC)
- Power: 175 W, rated current 7.2 A
- Speed: 2850 rpm
- Protection class: IP44
- Ball bearings for long and reliable operation
- Control input 0–10 V DC/PWM, soft start, and overvoltage protection
- Sound pressure level: 74 dB(A)
At Reserv, we stock original EBM-Papst parts for fast delivery directly to you. You can rest assured that you will receive a genuine product with the right quality — every time. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 1505 m³/h |
| Speed | 2850 rpm |
| Power | 175W |
| Voltage | 24V DC VAC |
| Motor frame | The fan is designed for installation with the shaft horizontal or the rotor upwards; mounting with the rotor downwards is possible on request. Mounting screws must have a maximum free length of 12–14 mm. An inlet ring (article no. 96359-2-4013) is available as an accessory but is not included in the delivery. The fan does not have a condensate drain hole. |
| Impeller | The fan wheel is of RadiCal type with backward-curved blades and single intake. It has 7 blades made of PA plastic and a black-painted rotor surface. The fan wheel's size is 250 mm and it rotates clockwise when viewed towards the rotor. At nominal voltage, the fan wheel delivers up to 1505 m³/h airflow. |
| Bearing type | ball bearing |
| IP class | IP44 |
| Motor code | M3G074-CF |
| Rotation direction | clockwise, looking towards the rotor |
| Motor type | The motor is of EC type (electronically commutated), designated M3G074-CF, and operates on 24 V DC with a voltage range of 16–28 V DC. The nominal power consumption is 175 W and the rated current is 7.2 A at nominal voltage. The motor is equipped with ball bearings and insulation class B. It has several technical features such as tach output, motor current limitation, soft start, 0–10 V DC/PWM control input, overvoltage protection, and reverse polarity protection. The operating mode is S1 and the protection class is IP44 (installation and position dependent). |
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