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Square black 120mm axial fan with double ball bearing

Fans

Fans MU1238A-12BSize 120x120x38mm 100V 0.12A 25-30 CFM case fan

SKU CH-41MW-DRYAJ MPN MU1238A-12BSize

120 mm axial case fan delivers 25-30 CFM airflow at 43-46 dBA with double ball bearings for 100 V systems

  • Air Flow25-30 CFM
  • 120 mm axial fan moves 25–30 CFM for steady case airflow
  • Double ball bearing design extends service life in continuous operation
  • Low 43–46 dBA noise keeps system acoustics quiet
  • 100 V AC input suits industrial and server environments
  • 38 mm slim depth fits tight chassis spaces

ORIX MU1238A-12B 100V Axial Fan

The ORIX MU1238A-12B is a 120x120x38mm axial case fan designed for 100V AC operation. It delivers 25-30 CFM airflow using a double ball bearing structure for reliable continuous duty in industrial and commercial equipment.

Suited for 100V industrial cooling slots

This fan fits builders maintaining medical devices, rail systems, HVAC units or industrial cabinets that require a 100V AC axial unit with 81Pa static pressure. Buyers needing a standard 12V DC PWM case fan for a desktop PC cannot use this mains-voltage model.

100V AC input voltage decides compatibility

The single specification that determines fit is the 100V AC rating paired with 0.12A current draw and 14W power consumption. Without a 100V AC supply and the correct mounting pattern for a 38mm thick frame, this unit will not install or operate.

Highlights

  • 120 mm axial fan moves 25–30 CFM for steady case airflow
  • Double ball bearing design extends service life in continuous operation
  • Low 43–46 dBA noise keeps system acoustics quiet
  • 100 V AC input suits industrial and server environments
  • 38 mm slim depth fits tight chassis spaces

Specifications

Air Flow25-30 CFM

Questions about this item

When will the double ball bearing on this 100 V fan need replacement?

The double ball bearing is rated for continuous operation at 2800 to 3250 r/min; typical service life exceeds several years before any bearing service is required.

Which limit appears first during sustained use — the 14 W power ceiling or the 81 Pa static pressure ceiling?

The 81 Pa static pressure limit is reached before the 14 W power ceiling when airflow is restricted.

How much noise and heat does the fan produce at the 3250 r/min speed setting?

At 3250 r/min the fan draws 13 W, moves 3.0 m³/min and emits 46 dBA.

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