The R3G225-RN18-02 from EBM Papst is a compact DC centrifugal fan with backward-curved RadiCal blades, designed for demanding ventilation and air handling applications. The fan is powered by an electronically commutated EC motor (M3G074-CF) operating at 48 V DC and delivers an impressive airflow of up to 1,335 m³/h. Thanks to its energy-efficient EC technology and robust construction, it is perfectly suited for air handling units, cooling systems, and industrial ventilation.
With built-in protection features and a wide voltage range of 36–57 V DC, the fan is easy to integrate into existing systems. The 0–10 V DC or PWM control input provides flexible speed control.
- Airflow: up to 1,335 m³/h (free air)
- Static pressure: up to 700 Pa
- Voltage: 48 V DC (range 36–57 V DC)
- Power: 230 W at 3,400 rpm
- Protection class: IP44
- RadiCal impeller made of PA plastic with 7 backward-curved blades
- Soft start, current limit restriction, and overvoltage protection
- Ball bearings for long service life and continuous operation (S1)
At Reserv, we stock EBM Papst products as original parts through established wholesalers. You can be sure that you will receive genuine components with fast delivery directly to your door. See the datasheet on the product page for complete technical information.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 1,335 m³/h |
| Speed | 3400 rpm |
| Power | 230W |
| Voltage | 48 V DC VAC |
| Motor frame | The fan is mounted with screws with a maximum screw-in depth of 12–14 mm. The standard mounting position is axle horizontal or rotor upwards; mounting with rotor downwards is possible on request. An accessory part in the form of an inlet ring (item number 96358-2-4013) is available but not included in the delivery. The fan weighs 2 kg. |
| Impeller | The fan impeller is a RadiCal impeller with backward-curved blades and a single-sided inlet opening, with a size of 225 mm. The impeller is made of PA plastic and has 7 blades. The rotor surface is painted black. At nominal operating conditions, the fan delivers an airflow of up to 1335 m³/h at free air and a static pressure build-up of up to 700 Pa. |
| Bearing type | ball bearing |
| IP class | IP44 |
| Motor code | M3G074-CF |
| Rotation direction | clockwise, looking towards the rotor |
| Motor type | The motor is an M3G074-CF type EC motor (electronically commutated) with a rated voltage of 48 V DC and a voltage range of 36–57 V DC. The power consumption is 230 W at a nominal speed of 3400 rpm, and the nominal current is 4.8 A. The motor has insulation class B and humidity protection class H1 (high humidity level). Technical features include tach output, current limit, soft start, control input 0–10 V DC/PWM, overvoltage protection, and reverse polarity protection. The operating mode is S1 (continuous operation). |
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