Description
The ebm-papst R4D330-AA08-12 is a backward curved centrifugal fan engineered for high-efficiency industrial air movement and thermal regulation. This motorized impeller features a robust 3-phase AC external rotor motor, specifically the M4D094-HA series, designed to deliver consistent torque and thermal stability under continuous loads. Constructed with a durable sheet aluminum impeller, the unit ensures structural rigidity under high centrifugal forces while optimizing aerodynamic performance to minimize acoustic signatures and turbulence. The system utilizes precision-sealed ball bearings to reduce friction and extend operational service life, making it suitable for demanding duty cycles where thermal impedance and reliability are critical factors in system design. The fan is dynamically balanced to ensure vibration-free operation in sensitive electronic enclosures.
Model Number: R4D330-AA08-12
Brand: ebm-papst
Product Type: Backward Curved Centrifugal Fan
Motor Type: AC External Rotor Motor (M4D094-HA)
Rated Voltage: 400 VAC
Phase: 3~ (Three Phase)
Frequency: 50 Hz
Rated Current: 0.48 A
Power Input: 195 W
Rated Speed: 1360 RPM
Bearing Type: Ball Bearing
Max. Air Flow: 1348 CFM (2290 m³/h / 38.16 m³/min)
Max. Static Pressure: 16.31 mmH₂O (160 Pa / 0.64 inH₂O)
Impeller Diameter: 330 mm
Weight: 5.6 kg
Material: Sheet Aluminum
Insulation Class: F
Motor Protection: Thermal Overload Protector (TOP) wired internally
Operating Temperature: -25 to +50 °C
Mounting Orientation: Shaft horizontal or rotor on bottom; rotor on top on request
Ingress Protection: IP54
Capacitor: None (3-Phase)
Direction of Rotation: Clockwise, seen on rotor
Cable Exit: Variable
Compliance: CE, CCC
The R4D330-AA08-12 is widely utilized in industrial ventilation systems requiring substantial airflow at moderate back pressures. Common deployments include large-scale cabinet cooling, clean room filtration units, and heat exchanger assemblies where consistent air exchange is mandatory. The R4D330-AA08-12 excels in rooftop ventilation units and variable air volume (VAV) systems, providing reliable thermal management for telecommunications infrastructure and power inverters. Its robust construction allows for integration into complex machinery such as suction units and industrial drying equipment, ensuring critical components remain within safe operating temperature ranges.
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Additional information
| Shipping Weight | 1 kg |
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