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Centrifugal fan, 250 mm blade, metal housing, new

Fans

Fans RD25S-4EW.4I.DLMotor centrifugal fan 250mm 230V 660W 880rpm

SKU CH-7E43-0F3G8 MPN RD25S-4EW.4I.DLMotor

A 250 mm centrifugal fan delivering 35000 m³/h airflow at 880 rpm for ABB inverter cooling

  • Centrifugal airflow up to 35000 m³/h for efficient cooling
  • 660 W motor at 230 V delivers reliable power
  • 250 mm blade diameter at 880 rpm moves high air volume
  • 0 A current draw keeps energy use low
  • German Ziehl-Abbeg build quality ensures long service life

Industrial Centrifugal Fan for ABB Inverters

The RD25S-4EW.4I.DLMotor is a Ziehl-Abbg centrifugal fan built to cool ABB drives in demanding industrial environments. It suits maintenance teams and plant engineers who need reliable airflow for compressors, cranes, elevators or cooling towers. The unit operates on 230 V supply and draws 3.0 A during operation.

Replaces Worn Inverter Cooling Fans

This fan replaces failed or noisy original cooling units inside ABB inverter enclosures to restore proper thermal management. The upgrade is worth it when existing airflow has dropped below design levels, causing drive derating or shutdowns. Its 660 W motor delivers up to 35000 m³/h airflow at 880 rpm to meet original cooling specifications.

Verify Mounting and Electrical Match Before Order

Confirm the blade diameter of 250 mm fits the existing fan housing and that the 230 V, 3.0 A electrical rating matches the inverter’s fan supply circuit. Check that the RD25S-4EW.4I.DL model number aligns with the ABB drive service manual for your specific application. Ensure the centrifugal airflow direction suits the enclosure ducting layout.

Highlights

  • Centrifugal airflow up to 35000 m³/h for efficient cooling
  • 660 W motor at 230 V delivers reliable power
  • 250 mm blade diameter at 880 rpm moves high air volume
  • 0 A current draw keeps energy use low
  • German Ziehl-Abbeg build quality ensures long service life

Specifications

No published specifications for this item yet.

Questions about this item

What blade diameter and voltage does the RD25S-4EW.4I.DL centrifugal fan require for mounting?

The fan has a 250 mm blade diameter and operates on 230 V AC, so the enclosure cut-out and supply must match those dimensions and voltage.

How is the RD25S-4EW.4I.DL fan installed in an ABB inverter, and what step is often missed?

Mount the fan using its external-rotor motor flange, connect the 230 V supply to the 3.0 A rated terminals, and verify rotation direction matches the airflow arrow — the direction check is the step most often skipped.

When will the RD25S-4EW.4I.DL fan need replacement in continuous ventilation duty?

Plan replacement after the motor's rated continuous runtime at 880 rpm and 660 W; monitor bearing noise and airflow drop below 35000 m³/h as indicators that the fan is nearing end of life.

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