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Black metal centrifugal fan with 225mm forward-curved blades and integrated motor housing

Fans

Fans R2E225-AX52-05Motor 225mm 230V 115/165W case fan

SKU CH-82SA-F3VND MPN R2E225-AX52-05Motor

A 225 mm centrifugal case fan running on 230 V AC at 50/60 Hz with IP44 protection and 115/165 W power draw

  • 225 mm blade diameter moves high air volumes
  • 115/165 W power range handles demanding cooling loads
  • 2700–3000 rpm speed delivers strong airflow performance
  • IP44 protection resists dust and water splashes
  • 230 V AC supply fits standard mains power

Industrial-grade centrifugal airflow

The ebmpapst R2E225-AX52-05Motor is a 225 mm AC centrifugal fan built for 230 V mains supply. It draws 0.51 to 0.72 A and delivers up to 35000 m³/h airflow for server racks, telecom cabinets and industrial enclosures that need continuous forced-air cooling.

Sustained thermal stability

The external-rotor motor sits inside the impeller so airflow cools the windings directly during non-stop operation. IP44 protection resists dust and splashing water, while 115 W at 50 Hz and 165 W at 60 Hz let the fan maintain 2700 to 3000 r/min without thermal throttling across long duty cycles.

Upgrade path for legacy AC blowers

This unit replaces older shaded-pole or PSC blowers of the same 225 mm diameter and 230 V rating when higher static pressure and full 0–100 % analog speed control are required. The jump is worthwhile when the existing housing cannot accommodate a scroll-less backward-curved design or when IP44 sealing becomes mandatory.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $308.99
Pricier than about 90% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much power does the R2E225-AX52-05Motor draw when running continuously at 230 V?

The motor is rated at 115/165 W with a current draw of 0.51-0.72 A at 230 V, and it carries an IP44 protection rating for dust and splash resistance.

What mounting provisions and electrical connection does this 225 mm centrifugal fan require?

The unit is a bare centrifugal fan with a 225 mm blade diameter and external rotor motor; it needs a compatible scroll housing or ductwork and a 230 V AC supply capable of 50/60 Hz operation.

Will the 2700-3000 r/min speed of this fan be compatible with a legacy speed controller I already own?

The fan supports 100 % speed control via analog or serial interface, so an existing controller that outputs a suitable analog or serial signal can regulate the 2700-3000 r/min range.

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