The R4D500-FA03-01 from EBM Papst is a powerful centrifugal fan with backward-curved blades, designed for demanding industrial ventilation applications. Part of the esteemed RadiCal family, this fan combines high capacity with robust construction for reliable continuous operation.
With an airflow of up to 6,155 m³/h and support for voltages from 230 V up to 480 V AC, this fan is perfectly suited for large ventilation units, industrial air treatment, and process cooling where uncompromising performance is required.
- Airflow up to 6,155 m³/h
- Voltage: 230/277/400/480 V AC, 50/60 Hz
- Power: 1,270 W, rated current 2.5 A
- Protection class IP54 – resistant to dusty and humid environments
- RadiCal impeller in PP plastic with 6 backward-curved blades, 500 mm
- Motor M4D138-HF: three-phase AC, insulation class F, operating class S1
- Operating temperature: –40 °C to +60 °C
- Sound pressure level: 68 dB(A)
At Reserv, you'll find original parts from EBM Papst with fast delivery through our wholesaler. You can be confident that you'll get the right component – every time.
Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 6155 m³/h |
| Speed | 1400/1640 rpm |
| Power | 1270 W |
| Frequency | 50/60 Hz |
| Voltage | 230/277/400/480 V AC VAC |
| Motor frame | The fan is designed for installation with the shaft horizontally or with the rotor facing downwards; placement with the rotor facing upwards is available on request. Condensate drainage holes are located on the rotor side. The accessory inlet ring 50355-2-4013 with pressure tap (k-factor: 375) is not included in the delivery but can be ordered separately. The maximum permitted screw length for mounting is 18 mm. |
| Casing | die-cast aluminum, rotor housing; PP plastic fan impeller |
| Impeller | The fan impeller is of RadiCal type with backward-curved blades and single-intake, with a size of 500 mm. It is made of PP plastic and has 6 blades. The rotor base is cast in aluminum. The fan impeller rotates clockwise when viewed towards the rotor and delivers an airflow of up to approximately 6155 m³/h at optimal efficiency. |
| Bearing type | ball bearing |
| IP class | IP54 |
| Motor protection | Thermal overload protection (TOP) with basic insulation |
| Motor code | M4D138-HF |
| Rotation direction | clockwise, looking towards the rotor |
| Motor type | The motor is of type M4D138-HF and is a three-phase AC motor with IP54 protection class and insulation class F. It is designed for continuous operation (S1) and is protected by a thermal overload protector (TOP) with basic insulation. The motor is equipped with ball bearings and can withstand ambient temperatures from -40 °C up to +60 °C during continuous operation. The motor's environmental protection class is H2, and it complies with standards EN 60034-1 and CE directives with VDE and EAC approvals. |
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