Description
The ebmpapst W2D250-EA26-21 is a high-capacity industrial AC axial fan with a nominal voltage of 400/480 VAC and an impeller size of 250 mm, specifically engineered for extreme thermal management in high-temperature industrial environments and power electronics. Driven by a robust three-phase M2D068-DF external rotor motor with a power consumption of 140 W at 400 VAC (50 Hz) and 220 W at 480 VAC (60 Hz) in a Star (Y) connection, this unit features a heavy-duty ball bearing system designed for continuous S1 duty even at ambient temperatures up to 100 °C. Its aerodynamic design with 5 black-painted sheet steel blades delivers a powerful airflow in an “A” direction (suction over struts), reaching speeds of 2920 RPM at 60 Hz. Constructed with a durable black-painted die-cast aluminum housing and guard grille, this 5.95 kg fan provides a dependable and rugged cooling solution with IP44 protection and H1+ environmental class for industrial furnaces, commercial kitchen equipment, and heavy-duty telecommunications infrastructure at the end.
W2D250-EA26-21 Fan Parameters
Model Number: W2D250-EA26-21
Manufacturer: ebmpapst
Motor Model: M2D068-DF
Motor Size: 68
Series: W Series
Type: AC Axial Fan
Impeller Size: 250 mm
Weight: 5.95 kg
Bearing Type: Ball bearing
Nominal Voltage: 400 VAC / 480 VAC (3-phase)
Wiring: Star (Y)
Frequency: 50 / 60 Hz
Power Consumption: 140 W (50 Hz) / 220 W (60 Hz)
Nominal Current: 0.25 A (50 Hz) / 0.30 A (60 Hz)
Speed: 2520 RPM (50 Hz) / 2920 RPM (60 Hz)
Max. Air Flow: 62.23 CFM (105.7 m³/h / 1.76 m³/min)
Max. Static Pressure: 9.81 mmH₂O (96.24 Pa / 0.39 inH₂O)
Motor Design: Three-phase AC external rotor motor
Insulation Class: Class F
Electrical Hookup: Lateral cable
Number of Blades: 5
Direction of Rotation: Clockwise, viewed toward rotor
Airflow Direction: “A” (Suction over struts; BS-AS)
Impeller Material: Sheet steel, painted black
Housing Material: Die-cast aluminum, painted black
Guard Grille Material: Die-cast aluminum
Installation Position: Shaft horizontal
Degree of Protection: IP44
Environmental Protection: H1+
Operating Temperature: -25 – +100 °C (50 Hz) / -25 – +75 °C (60 Hz)
Storage Temperature: -40 – +80 °C
Standard Compliance: EN 60034-1; EN 60204-1; EN 60335-1
Approval Agency: UL 1004-1; CSA C22.2 No. 100
Application
The ebmpapst W2D250-EA26-21 AC fan is primarily utilized in industrial furnaces, high-temperature commercial kitchen ventilation, power electronic cooling, and heavy-duty industrial control cabinets.
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