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Black square 120mm cooling fan with three wires

OEM Industries

OEM Industries 109P1224H112 120mm 24V 0.25A 3-Wire CPU Cooler

SKU CH-JSGS-NJDNK

A 120 mm square cooling fan running on 24 V with three-wire speed control

  • Fan size120 mm
  • Product colorBlack
  • Product typeFan only
  • 24 V operation suits industrial inverter systems
  • 25 A draw keeps power consumption low
  • Three-wire connection enables speed monitoring
  • 120 mm square frame fits standard mounting points
  • SANYO 12038 design built for continuous duty

OEM Industries 120mm 24V Cooling Fan

The OEM Industries 120mm fan operates at 24V and draws 0.25A through a three-wire connection. It is built as a square SANYO 12038 frame suited for inverter and industrial cooling duties. The unit ships new in black with no LED lighting. Model reference is 109P1224H112 for exact identification.

For 24V systems needing a 120mm replacement

This fan suits maintainers and integrators who need a direct 24V 120mm replacement with three-wire speed monitoring. It is not for builders requiring PWM control, 12V operation, or bundled heatsink assemblies. Buyers who want RGB lighting or variable voltage headers should look at other solutions.

24V 0.25A three-wire electrical interface

The defining specification is the 24V 0.25A rating combined with a three-wire lead that provides tachometer feedback without PWM input. Confirm your board or controller supplies 24V DC and accepts a three-pin connector before ordering. Voltage mismatch or pin-count mismatch will prevent correct operation.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 90% of the 1,559 comparable items (median $19.99).
Fan size 120 mm
Higher than about 80% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model name109P1224H112
Product colorBlack
Product typeFan only
Size & build
Fan size120 mm
More details
LED lightingNo

Questions about this item

How is the 3-wire 109P1224H112 fan connected to a 24V supply, and which wire is often mistaken?

Connect the red wire to 24V, black to ground, and the third wire to the tachometer input; the yellow or white signal wire is frequently swapped with ground, causing the fan to run but report no speed.

What maintenance will the 109P1224H112 need after extended operation?

Periodically clean dust from the 120mm blades and frame; the sealed sleeve bearing cannot be relubricated, so plan to replace the fan when noise or vibration increases.

What limit appears first when the 109P1224H112 runs continuously at 24V 0.25A?

Bearing wear is the first limit; sustained 24V 0.25A operation gradually degrades the sleeve bearing, leading to rising noise and eventual stall before the motor windings fail.

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