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Centrifugal case fan with metal housing and curved blades

Fans

Fans R1G220-AB73-52 48V 2.4A centrifugal case fan

SKU CH-W65S-MSNCX

Centrifugal case fan running at 3100 rpm on 48 V DC with 100 W power draw and 2.4 A current, operating from -25 °C to 60 °C

  • Centrifugal airflow reaches 35000 m³/h for demanding cooling
  • 48 V DC input with 36–57 V range suits industrial power systems
  • External-rotor motor runs at 3100 rpm drawing only 2.4 A
  • Operates reliably from -25 °C to 60 °C ambient temperature
  • Compact steel housing integrates motor and impeller for space-saving installation

Industrial centrifugal fan

The Fans R1G220-AB73-52 is a 48 VDC centrifugal blower built around an external-rotor motor that integrates the impeller for compact installation. It draws 2.4 A at 100 W and spins at 3100 rpm, delivering airflow up to 35000 m³/h for industrial ventilation, air purification or dense equipment cooling. The unit operates reliably from -25 °C to 60 °C and accepts a supply range of 36 VDC to 57 VDC.

Suited for 48 V systems

This fan suits engineers integrating forced-air cooling into telecom racks, server enclosures or custom purification housings that provide a 48 VDC bus and can accommodate a centrifugal form factor. It is not for builds that lack a 36–57 VDC source or that require an axial flow profile.

48 VDC nominal voltage

The single specification that decides fit is the 48 VDC nominal voltage with a 36–57 VDC operating window; the host system must supply within this range or the fan will not start and may be damaged.

How it compares

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

Price $65.99
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

What voltage range does the 48 V fan accept in practice?

The fan operates from 36 V to 57 VDC, with 48 V as the nominal input.

What mounting method does the centrifugal housing require?

The sturdy steel-plate scroll housing bolts directly to the case or duct; no separate bracket is needed.

How is the speed controlled and what wiring mistake is common?

Speed is set by a 0–10 V or PWM signal on the control wire; reversing the signal and ground pins prevents any speed change.

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