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Centrifugal case fan with backward curved blades, metal housing, attached capacitor and inlet ring

Fans

Fans R2E220-AA40-05 case fan 230V 2600/2700 rpm

SKU CH-W9X9-B7Q39

230 V AC centrifugal fan with backward-curved blades delivering up to 35000 m³/h at 2600–2700 rpm

  • Runs at 2600/2700 rpm for strong airflow
  • Backward-curved blades move up to 35000 m³/h
  • 100 % speed control via analog or serial interface
  • Operates from -25 °C to 40 °C ambient
  • CE certified with included capacitor and inlet ring

Product Identity

The Fans R2E220-AA40-05 is a new 230 V AC centrifugal case fan built by ebmpapst in Germany. It targets industrial and server chassis that require high-pressure airflow through restricted ducts or dense component stacks. Backward-curved blades and an external-rotor motor deliver up to 35000 m³/h without a separate scroll housing. Buyers needing low-voltage PWM control or ultra-quiet desktop operation should look elsewhere.

Deciding Specification

The fan runs directly on 230 V AC at 50 or 60 Hz, drawing 0.38 A at 85 W (50 Hz) or 0.40 A at 90 W (60 Hz). Speed is fixed at 2600 rpm and 2700 rpm respectively, with a 3 µF / 400 V capacitor at 50 Hz and 2 µF / 400 V at 60 Hz. No variable-speed interface is present, so the installer must accept these two operating points exactly as specified.

Thermals Noise Power

Rated ambient range spans –25 °C to 40 °C with zero minimum back-pressure, allowing continuous duty in filtered or ducted enclosures. Starting current peaks at 0.54 A (50 Hz) and 0.52 A (60 Hz), then settles to the nominal draw above. The steel housing and integrated inlet ring keep vibration low, while 100 % analog or serial speed control is available for installations that add external regulation.

Highlights

  • Runs at 2600/2700 rpm for strong airflow
  • Backward-curved blades move up to 35000 m³/h
  • 100 % speed control via analog or serial interface
  • Operates from -25 °C to 40 °C ambient
  • CE certified with included capacitor and inlet ring

Specifications

No published specifications for this item yet.

Questions about this item

What does the 2600 rpm rating mean once the fan is installed in a system?

At 50 Hz the motor runs at 2600 rpm, delivering up to 35000 m3/h of airflow for forced electronic cooling in a compact external-rotor design.

How does the 230 V AC single-phase supply limit the fan in practice?

The fan draws 0.38 A at 50 Hz and 0.40 A at 60 Hz, with a 3 µF / 2 µF capacitor rated at 400 V, so speed is fixed by mains frequency and cannot be PWM-controlled.

What mounting provisions does the R2E220-AA40-05 include?

It ships with an attached capacitor and inlet ring; the sturdy steel-plate housing uses the standard ebm-papst centrifugal mounting pattern for direct installation.

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