The R3G280-RP54-B1 from EBM Papst is a high-performance EC centrifugal fan with RadiCal technology, designed for demanding ventilation and air handling applications. With an airflow of 2,250 m³/h and a static pressure of 634 Pa, it delivers impressive performance in a compact format. The fan is powered by a built-in EC motor with active PFC, soft start, and support for RS-485 MODBUS-RTU communication.
The fan is ideal for industrial ventilation systems, air handling units, and process equipment where energy efficiency and controllability are crucial. Thanks to its IP54 rating, it can handle dusty and humid environments without problems.
- EC motor M3G084-FA, 230 V AC (200–277 V), 50/60 Hz
- Airflow: 2,250 m³/h at 634 Pa static pressure
- Power consumption: 705 W, current draw 3.1 A
- RadiCal impeller, 280 mm, PP plastic with 6 backward-curved blades
- Protection class IP54, ball bearings for long service life
- Control via 0–10 V DC or PWM, RS-485 MODBUS-RTU
- Thermal overload protection for electronics and motor
- Sound pressure level: 68 dB(A)
At Reserv, you will find original parts from EBM Papst stocked by our wholesaler. You can be confident that you will get the right component — quickly and easily. See the datasheet on the product page for full technical information.
Technical specifications
| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 2250 m³/h |
| Speed | 2880 rpm |
| Power | 705 W |
| Frequency | 50/60 Hz |
| Voltage | 230V AC VAC |
| Motor frame | The fan is mounted with the shaft horizontally or with the impeller facing upwards as standard installation; mounting with the impeller facing downwards is possible on request. The fan weighs 5.3 kg and has an electronics housing made of cast aluminum. An accessory inlet ring (28000-2-4013) is available as an option but is not included in the delivery. The cable gland requires a cable diameter of 4–10 mm with a tightening torque of 2.5 ± 0.4 Nm. |
| Casing | cast aluminum, the material of the electronics enclosure |
| Impeller | The fan impeller is a RadiCal centrifugal impeller with backward-curved blades and single-sided intake, measuring 280 mm. It is made of PP plastic and has 6 blades. The rotor surface is black painted. At the optimal operating point, the impeller delivers an airflow of 2250 m³/h against a static pressure of 634 Pa. |
| Bearing type | ball bearing |
| IP class | IP54 |
| Motor protection | Thermal overload protection (TOP), internally connected |
| Motor code | M3G084-FA |
| Rotation direction | clockwise, looking towards the rotor |
| Motor type | The motor is an EC motor, type M3G084-FA, for single-phase mains (1~) with a rated voltage of 230 V AC (range 200–277 V AC) and a frequency of 50/60 Hz. The power consumption is 705 W at rated load and the current draw is 3.1 A. The motor has insulation class B and environmental protection class H1. It is equipped with active PFC, soft start, motor current limitation, and thermal overload protection for electronics and motor. Communication is via RS-485 MODBUS-RTU, and control can be achieved via 0–10 V DC or PWM input signal. |