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Black 80 mm square DC fan with flange, metal and plastic grilles, and wired speed knob

Alphacool

Alphacool 80mm 12V DC Fan Dual Ball Bearing 2 in 1 accessory

SKU CH-2A5C-RKM81

An 80 mm 12 V DC fan with dual ball bearings, stepless 4 V–12 V speed control and 67 000-hour rated life for soldering fume extraction or tight-space cooling

  • Dual ball bearings deliver up to 67000 hours of reliable operation
  • Stepless 4V-12V speed knob adjusts airflow from 19 to 43 dBA
  • 60 CFM at 4500 RPM clears fumes in tight enclosures
  • Mounting flange plus plastic and metal grilles simplify any DIY install
  • 12 V 0.35 A 4.2 W draw keeps power use low

Compact 12 V DC fan kit for tight-space ventilation

The 80 mm axial fan runs on 12 V DC at 0.35 A and 4.2 W, spinning up to 4500 RPM with dual ball bearings rated for 67000 hours. It ships with a mounting flange, two grilles, a 3-in-1 filter and a 4 V–12 V stepless speed knob for precise airflow and noise control.

Practical limits of the 12 V DC interface

Operation is confined to a 12 V DC supply; the included controller only adjusts voltage between 4 V and 12 V so the fan cannot run from mains power or higher-voltage rails. Airflow reaches 60 CFM at 0.36 in H₂O static pressure, while noise varies from 19 dBA at low speed to 43 dBA at maximum RPM.

Dual ball bearings set the durability benchmark

The 67000-hour bearing rating is the single figure that determines whether this fan suits continuous duty in enclosures, soldering booths or HVAC boosters. Builders needing longer-rated bearings or higher static pressure for dense radiator stacks should look elsewhere.

Highlights

  • Dual ball bearings deliver up to 67000 hours of reliable operation
  • Stepless 4V-12V speed knob adjusts airflow from 19 to 43 dBA
  • 60 CFM at 4500 RPM clears fumes in tight enclosures
  • Mounting flange plus plastic and metal grilles simplify any DIY install
  • 12 V 0.35 A 4.2 W draw keeps power use low

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the plastic grill or the metal grill for my setup?

Both grills are included in the package. The plastic grill integrates a 3-in-1 filter for soldering fume extraction, while the metal grill offers open airflow without filtration. Select based on whether you need filtration.

What does the 60 CFM airflow rating mean when the fan is installed in a case?

At full speed the fan moves 60 CFM of air. With the 4V-12V controller you can reduce RPM and airflow for quieter operation, or run at 4500 RPM for maximum cooling in tight spaces like gaming cabinets.

How does the 4V-12V speed controller affect the fan's performance range?

The knob adjusts voltage from 4V to 12V, varying speed up to 4500 RPM. This changes airflow from the rated 60 CFM down to a lower level, and noise from 43 dBA down to 19 dBA, letting you balance cooling and silence.

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