Description
The ebmpapst R2E133-BH66-05 is a high-efficiency backward-curved centrifugal fan designed for precision thermal management in compact industrial applications. Built upon the robust M2E052-BF AC external rotor motor platform, this motorized impeller delivers a high power density ratio, ensuring reliable airflow against significant static pressure. This unit represents Original Engineering standards, guaranteeing optimal lifecycle performance and vibration-free operation in continuous duty cycles.
Technical Specifications:
Manufacturer: ebmpapst
Model Reference: R2E133-BH66-05
Product Type: Single Inlet Centrifugal Fan
Motor Technology: AC External Rotor (M2E052-BF)
Impeller Diameter: 133 mm
Nominal Voltage: 230 V AC
Frequency: 50 / 60 Hz
Phase Configuration: 1~ (Single Phase)
Power Consumption: 24 W (50 Hz) / 27 W (60 Hz)
Current Draw: 0.11 A (50 Hz) / 0.12 A (60 Hz)
Nominal Speed: 2750 RPM (50 Hz) / 3200 RPM (60 Hz)
Max Airflow: 290 m³/h
Impeller Material: PA6 Plastic (Fiberglass-reinforced)
Bearing System: Maintenance-free Ball Bearings
Direction of Rotation: Clockwise (viewed toward rotor)
Insulation Class: B
Motor Protection: Thermal Overload Protector (TOP) wired internally
Ingress Protection Rating: IP44
Capacitor Requirement: 2.0 µF / 400 VDB
Acoustic Noise Level: 56 dB(A)
Ambient Temperature Range: -25°C to +70°C
Weight: 0.7 kg
Mounting Orientation: Variable
Certifications: CE, CCC, VDE
Industrial Application:
This specific fan model is engineered for high-resistance ventilation scenarios, specifically within compact control cabinets, frequency converters, and medical device cooling systems. The backward-curved blade geometry allows the R2E133-BH66-05 to generate necessary pressure build-up to overcome the impedance of dense electronic components and filters, preventing thermal throttling in critical automation hardware.
Procurement & Logistics:
Ensure Technical Compatibility with your specific enclosure geometry and voltage requirements. Contact us for current Lead Time information to align with your maintenance schedules or OEM production runs.
Mounting: Any
Voltage: 230V
Blade Material: Plastic
Warranty: 1 Year
After-sales Service Provided: Online support
Place of origin: Germany
Brand name: Ebmpapst
Product name: Ebmpapst centrifugal fan
Size: 133 mm
Motor: M2E052-BF
Bearing Type: Ball bearing
Weight: 0.7 kg
Frequency: 50/60 HZ
Phase: 1~
Air Flow: 290m3/h
Noise: 56
Selling Units: Single item
Single package size: 30X30X30 cm
Single gross weight: 2.000 kg









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