Description
The ebm-papst R2E225-BD92-09 (also known as R2E225BD9209) is an industrial single-intake, backward-curved motorized impeller powered by an integrated M2E068-DF external rotor motor measuring Ø225 mm × 99 mm (Ø8.86 in × 3.90 in). Operating on a 230 VAC single-phase 50/60 Hz supply, it delivers rotational speeds up to 2650 RPM (50 Hz) and 2950 RPM (60 Hz), providing high-throughput airflow up to 795 CFM (1350 m³/h) and static pressures up to 450 Pa (1.81 in H₂O). Constructed with a 7-blade glass-fiber reinforced PA 6 plastic impeller, heavy-duty dual ball bearings, an integrated thermal overload protector (TOP), and an IP44 environmental rating, it provides resilient continuous duty (S1) in demanding industrial air systems.
Key Features
- Aerodynamic Impeller Design: Backward-curved 7-blade glass-fiber reinforced PA 6 composite impeller engineered for high static pressure and streamlined non-overloading airflow.
- Dual-Frequency External Rotor Motor: Integrated M2E068-DF permanent split capacitor motor delivering robust continuous operation across both 50 Hz and 60 Hz grids.
- Integral Motor Protection: Factory-installed internal thermal overload protector (TOP) actively disconnects motor windings during abnormal thermal surges or stall conditions.
- Rugged Environmental Build: Sealed IP44 enclosure rating, F1-2 moisture protection class, and rotor-side condensation drainage holes ensure reliable damp-location performance.
- Precision Bearing Suspension: Maintenance-free industrial ball bearings rated for continuous S1 duty across horizontal shaft and vertical base mounting orientations.
- Flexible Silicone Harness: Four-conductor silicone lead wire cable with crimped splices ensures durable thermal resistance and simplified electrical cabinet installation.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | R2E225-BD92-09 |
| Alternate Part Number | R2E225BD9209 |
| Integrated Motor Model | M2E068-DF |
| Product Series | R2E225 |
| Product Category | AC Centrifugal Fans |
| Fan / Component Type | Motorized Impeller (Backward-Curved, Single-Intake) |
| Phase & Supply Type | 1~ Single-Phase AC |
| Rated Voltage | 230 VAC |
| Frequency | 50 / 60 Hz |
| Method of Obtaining Data | fa (Free Air) |
| Speed (RPM) | 2650 RPM (50 Hz) / 2950 RPM (60 Hz) |
| Power Rating | 135 W (50 Hz) / 200 W (60 Hz) |
| Rated Current | 0.60 A (50 Hz) / 0.88 A (60 Hz) |
| Starting Current | 1.2 A (50 Hz / 60 Hz) |
| Run Capacitor | 4.0 µF / 450 VDB |
| Airflow | 712.2 CFM (1210 m³/h at 50 Hz) / 794.6 CFM (1350 m³/h at 60 Hz) |
| Static Pressure (Max.) | 1.61 in H₂O (400 Pa at 50 Hz) / 1.81 in H₂O (450 Pa at 60 Hz) |
| Min. Back Pressure | 0 in H₂O (0 Pa) |
| Impeller Size | Ø 225 mm (8.86 in) |
| Overall Dimensions (Dia × D) | Ø 225 mm × 99 mm (Ø 8.86 in × 3.90 in) |
| Overall Depth / Thickness | 99.0 mm (3.90 in) |
| Impeller Width | 62.6 mm (2.46 in) |
| Number of Blades | 7 |
| Rotor Surface | Painted Black |
| Impeller Material | PA 6 plastic, glass-fiber reinforced |
| Bearing Type | Dual Ball Bearings |
| Direction of Rotation | Clockwise, viewed toward rotor |
| Installation Position | Shaft horizontal or rotor on bottom; rotor on top on request |
| Condensation Drainage Holes | On rotor side |
| Operating Mode / Duty Cycle | S1 (Continuous Operation) |
| Weight | 2.28 kg (5.03 lbs) |
| Termination & Cable Specs | Silicone cable, 450 mm (17.72 in) length with 4x crimped splices |
| Wiring Pinout / Connection | U1 = Blue, Z = Brown, U2 = Black, PE = Green/Yellow |
| Motor Protection | Thermal Overload Protector (TOP) internally connected |
| Electrical Protection Class | Class I (with customer protective earth connection) |
| Touch Current (IEC 60990) | < 0.75 mA (TN System, Fig. 4) |
| Insulation Class | Class F |
| Moisture Protection Class | F1-2 |
| Ingress Protection (IP) | IP44 (installation- and position-dependent per EN 60034-5) |
| Operating Temperature | -25 to +55 °C (-13 to +131 °F) |
| Storage Temperature | -40 to +80 °C (-40 to +176 °F) |
| Optional Inlet Ring Accessory Part Number | 96358-2-4013 |
| Standards & Compliance | EN 60335-1, CCC, EAC, RoHS3 Compliant |
Applications
The ebm-papst R2E225-BD92-09 motorized impeller provides high-efficiency forced air circulation in precision data center cooling, cleanroom fan filter units (FFUs), and commercial air handling plenums. It is widely specified by OEM equipment builders for industrial heat recovery ventilation (HRV) systems, laboratory fume extraction hoods, and electrical power inverter cooling enclosures. Plant maintenance teams also deploy this assembly for drop-in field replacement in electronic cabinet heat exchangers, ducted HVAC distribution boxes, and industrial process drying chambers.
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