D4D250-CA02-01 ebmpapst 400VAC 250mm AC Centrifugal Fan

Description

The ebmpapst D4D250-CA02-01 is a high-performance 400VAC three-phase AC centrifugal fan with an impeller size of Ø 250 mm and external dimensions of 387 x 392 x 349 mm. Powered by an M4D094-LA motor, this dual-intake forward-curved motorized impeller with housing and large flange delivers high-capacity airflow and static pressure performance. Operating in a Star (Y) connection at 50 / 60 Hz, it achieves a rated speed of 1,200 / 1,410 RPM, a power input of 1,270 W, and a current draw of 2.3 / 2.2 A with a starting current of 4.6 / 4 A. Constructed with Sendzimir galvanized sheet steel for both the forward-curved impeller and housing, an aluminium-cast rotor surface, and precision ball bearings, it weighs 16.7 kg and supports continuous S1 operation under ambient temperatures ranging from -40 to +45 °C with an IP20 protection rating.

D4D250-CA02-01 Fan Parameters
Manufacturer: ebmpapst
Model Number: D4D250-CA02-01
Motor Model: M4D094-LA
Type: AC Centrifugal Fan (Forward Curved, Dual-Intake with Housing and Large Flange)
Impeller Size: Ø 250 mm
Dimensions: 387 x 392 x 349 mm
Weight: 16.7 kg
Impeller Material: Sendzimir galvanized sheet steel
Housing Material: Sendzimir galvanized sheet steel
Rotor Surface: Cast in aluminium
Direction of Rotation: Clockwise (viewed toward rotor)
Bearing Type: Ball Bearing
Phase: 3~ (Three-Phase)
Data Sequence: (400V 50Hz Y / 400V 60Hz Y)
Nominal Voltage: 400 VAC
Wiring: Y (Star Connection)
Frequency: 50 / 60 Hz
Max. Current Draw: 2.3 / 2.2 A
Max. Power Consumption: 1,270 W
Starting Current: 4.6 / 4 A
Rated Speed: 1,200 / 1,410 RPM (min⁻¹)
Working Air Flow: 1,289.07 CFM (2,190.0 m³/h / 36.5 m³/min)
Static Pressure Increase: 1.65 inAq (411.0 Pa / 41.9 mmH₂O)
Overall Efficiency (ηe): 46.2% (B, total)
Min. Back Pressure: 50 / 350 Pa (0.2 / 1.4 in. wg)
Ingress Protection: IP20
Insulation Class: Class F
Environmental Protection Class: F0
Operating Mode: S1 (Continuous operation)
Operating Temperature: -40 – +45 °C
Storage / Transport Temperature: -40 – +80 °C
Touch Current: < 0.75 mA (per IEC 60990)
Motor Protection: Thermal overload protector (TOP) brought out
Protection Class: Class I (with customer connection of protective earth)
Safety Approvals: CE, CCC, EAC, EN 60034-1

Application
The ebmpapst D4D250-CA02-01 is deployed in commercial HVAC air handling units, central air conditioning systems, industrial ventilation equipment, cleanroom infrastructure, and large-scale air purification modules.