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Small square axial fan 30 by 30 by 10 millimetres with three wire leads

Fans

Fans 1204KL-04W-B59 30x10mm 12V DC case fan

SKU CH-GKY8-D245F

A 30 mm square DC axial fan with ball bearing, 12 V operation, 3.8 CFM airflow and 27 dB noise

  • Airflow rate3.8CFM
  • 8 CFM airflow cools tight spaces
  • 10500 RPM delivers targeted cooling performance
  • 27 dB noise keeps operation quiet
  • Ball bearing ensures long service life
  • Locked rotor sensor protects against failure

30 mm axial fan for tight spaces

The NMB Technologies 1204KL-04W-B59 is a new 12 V DC axial fan measuring 30 mm square and 10 mm thick. It delivers 3.8 CFM of airflow at 10500 RPM while drawing 0.96 W. A ball bearing and locking rotor sensor support reliable operation in medical, rail, industrial and embedded equipment.

Suits builds needing a 30x10 mm 12 V fan

This unit fits designs that specify a 30 mm square frame with a 10 mm depth and a three-lead connection. Buyers who need a larger frame, higher static pressure, lower acoustic output or a different voltage should look at other models. The locked-rotor signal is useful for health monitoring but adds a wire.

3.8 CFM airflow at 10500 RPM

The single figure that decides fit is the rated airflow of 3.8 CFM produced at 10500 RPM with a static pressure of 0.216 inch water column. If the thermal design requires more airflow or higher pressure than this rating, the fan will not meet the cooling target.

How it compares

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

Price $31.99
Pricier than about 78% of the 8,339 comparable items (median $19.99).

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Specifications

Performance
Airflow rate3.8CFM

Questions about this item

What comes with the 1204KL-04W-B59 fan and do I need a separate connector?

The fan has three leads for power and the locking-rotor sensor; no extra connector is included so you will need a matching 3-pin header or adapter.

The spec sheet lists 27 dB and 34 dB noise figures — which one should I expect?

27 dB is the manufacturer's rated noise; 34 dB appears in the broader application notes, so plan for the lower value in a typical build.

What does the 3.8 CFM airflow mean for cooling a small enclosure?

At 10 500 RPM the fan moves 3.8 CFM with 0.216 inch water column static pressure, suited for tight spaces like 30 mm square cavities.

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