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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.

Highlights

  • 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

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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