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Black metal centrifugal fan with backward curved blades and external rotor motor, 220mm diameter

Fans

Fans R2E220-AB06-05 230V 85W 220mm centrifugal case fan

SKU CH-W5BF-R66BX

A 220 mm centrifugal case fan running on 230 V AC at 50 or 60 Hz, drawing 85 W at 2 700 rpm and 115 W at 3 050 rpm with a 2.5 µF capacitor

  • Centrifugal airflow up to 35000 m³/h for high-volume cooling
  • Operates reliably from -25 °C to 45 °C ambient temperature
  • 230 V AC single-phase motor runs at 50 Hz or 60 Hz
  • Speed controllable from 0 to 100 % via analog or serial interface
  • Backward-curved impeller eliminates need for a scroll housing

220 mm Centrifugal Fan for 230 V Mains Power

This 220 mm diameter centrifugal fan runs directly from 230 V AC mains at 50 or 60 Hz. It draws 0.38 A at 50 Hz and 0.51 A at 60 Hz. The single-phase motor spins at 2700 rpm on 50 Hz and 3050 rpm on 60 Hz. A 2.5 µF capacitor rated at 400 V is required for operation. It is built for industrial and server chassis airflow.

Airflow up to 35000 m³/h with 85 W to 115 W Draw

At 50 Hz the fan consumes 85 W and delivers airflow up to 35000 m³/h. At 60 Hz power rises to 115 W and speed increases to 3050 rpm. Starting current peaks at 0.85 A. The unit is rated for continuous ambient temperatures from -25 °C to 45 °C. Back-pressure minimum is 0 Pa, so it suits open-intake layouts. Speed is fully controllable via analog or serial interface.

Mains Wiring and Capacitor Required for Installation

The fan needs a 230 V AC supply, a 2.5 µF 400 V capacitor and a speed-control signal if variable speed is desired. No rolling casing is required; the backward-curved blades handle intake directly. The compact external-rotor motor saves depth inside the chassis. Sturdy steel-plate construction suits rackmount and cabinet builds. Buyers who need a low-voltage PWM fan or a smaller diameter unit cannot use this model.

Highlights

  • Centrifugal airflow up to 35000 m³/h for high-volume cooling
  • Operates reliably from -25 °C to 45 °C ambient temperature
  • 230 V AC single-phase motor runs at 50 Hz or 60 Hz
  • Speed controllable from 0 to 100 % via analog or serial interface
  • Backward-curved impeller eliminates need for a scroll housing

Specifications

No published specifications for this item yet.

Questions about this item

Will this 230 V centrifugal fan fit alongside older 220 mm case fans that run on 12 V DC?

No, this unit requires 230 VAC mains power and draws 0.38 A at 50 Hz or 0.51 A at 60 Hz, so it cannot share a 12 V DC fan header or controller with typical PC case fans.

How can I confirm the fan is running at the correct speed after installation?

At 50 Hz the motor should spin at 2700 rpm and at 60 Hz at 3050 rpm; measure the blade rotation with a tachometer or compare the airflow to the rated 35000 m³/h maximum.

What comes in the box and what must I source separately?

The package contains the ebm-papst centrifugal fan with a 2.5 µF 400 VDB capacitor fitted; you must supply a 230 VAC power cable, mounting screws for the 220 mm frame and any required safety grille or ducting.

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