Description
The ebmpapst D2D146-AA24-23 is a high-performance 400VAC / 230VAC three-phase AC centrifugal fan featuring a fan size of 146 mm and external dimensions of 270 x 205 x 219.5 mm. Powered by an M2D068-EC motor, this forward-curved, dual-inlet motorized blower with housing and flange delivers reliable airflow and static pressure performance. Operating at a rated speed of 1,900 / 2,350 RPM under 50 / 60 Hz, it draws a maximum current of 0.41 / 0.38 A (at 400V Y) or 0.72 / 0.67 A (at 230V Δ) with a power input of 265 / 250 W. Constructed with hot-galvanised sheet steel impellers and housing, precision hybrid bearings, and an IP44 protection rating (depending on installation and position as per EN 60034-5), it weighs 4.6 kg and supports continuous S1 operation across ambient temperatures ranging from -25 to +50 °C (at 50 Hz) and -25 to +55 °C (at 60 Hz).
D2D146-AA24-23 Fan Parameters
Manufacturer: ebmpapst
Model Number: D2D146-AA24-23
Motor Model: M2D068-EC
Type: AC Centrifugal Fan (Forward-Curved, Dual-Inlet with Housing and Flange)
Fan Size: 146 mm
Dimensions: 270 x 205 x 219.5 mm
Weight: 4.6 kg
Motor Size: 68
Impeller Material: Sheet steel, hot-galvanised
Housing Material: Sheet steel, hot-galvanised
Motor Suspension: Motor mounted via brackets on one side
Direction of Rotation: Counter-clockwise, viewed toward rotor
Bearing Type: Hybrid bearing
Phase: 3~ (Three-Phase)
Data Sequence: (230V 50Hz Δ / 230V 60Hz Δ / 400V 50Hz Y / 400V 60Hz Y)
Nominal Voltage: 230 VAC (Δ) / 400 VAC (Y)
Frequency: 50 / 60 Hz
Max. Current Draw: 0.72 / 0.67 A (at 230V Δ), 0.41 / 0.38 A (at 400V Y)
Starting Current: 1.35 / 1.5 A (at 230V Δ), 0.78 / 0.87 A (at 400V Y)
Max. Power Input: 265 / 250 W
Rated Speed: 1,900 / 2,350 RPM (min⁻¹)
Min. Back Pressure: 200 / 350 Pa
Ingress Protection: IP44 (Depending on installation and position as per EN 60034-5)
Insulation Class: Class F
Environmental Protection Class: H1
Operating Mode: S1 (Continuous operation)
Operating Temperature: -25 – +50 °C (at 50 Hz), -25 – +55 °C (at 60 Hz)
Storage / Transport Temperature: -40 – +80 °C
Touch Current: < 0.75 mA (per IEC 60990)
Motor Protection: Thermal overload protector (TOP) brought out, basic insulation
Protection Class: Class I (if protective earth is connected by customer)
Condensation Drainage Holes: Rotor-side
Safety Approvals: EN 60335-1, EAC
Application
The ebmpapst D2D146-AA24-23 is deployed in industrial ventilation systems, commercial air conditioning equipment, heating units, and frequency converter inverter cooling setups.
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