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Square black 120mm frame with 38mm depth, three-wire connector visible

Fans

Fans AFB1224HHESize 120×120×38mm 24V 0.45A 125CFM 2900RPM 44.5dB 3-wire alarm case fan

SKU CH-0X0H-AQP3K MPN AFB1224HHESize

120 × 120 × 38 mm 24 V axial fan delivering 125 CFM at 2900 RPM with 3-wire alarm monitoring

  • High airflow of 125 CFM for effective cooling
  • 24 V DC operation within 14–27.6 V range
  • 3-wire alarm terminal signals fan status
  • 2900 RPM speed delivers strong air movement
  • 5 dB(A) noise level at full speed

Delta AFB1224HHE 24 V axial fan

The Delta AFB1224HHE is a 120 mm square axial fan with a 38 mm frame depth, designed for forced-air cooling in industrial equipment and server chassis. It runs on a 24 V DC supply with an operating range of 14 to 27.6 V DC and draws 0.45 A at 10.08 W. A three-wire terminal provides tachometer feedback and an alarm signal for monitoring.

Suited for 24 V systems needing high static pressure

This fan suits builders who need 125 CFM airflow at 2900 RPM in a 24 V environment and require an alarm output for fault detection. It is not for buyers who need a 12 V or 5 V fan, nor for those who require PWM speed control or a four-pin connector. Noise-sensitive installations may also find the 44.5 dB(A) rating too high.

24 V DC operating voltage decides fit

The single specification that determines compatibility is the 24 V DC nominal voltage with a 14 to 27.6 V DC range; the fan will not start reliably on 12 V rails and exceeds the limits of standard 5 V headers. Verify your power distribution delivers within this window before ordering.

Highlights

  • High airflow of 125 CFM for effective cooling
  • 24 V DC operation within 14–27.6 V range
  • 3-wire alarm terminal signals fan status
  • 2900 RPM speed delivers strong air movement
  • 5 dB(A) noise level at full speed

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 120 × 120 × 38 mm model or a different size?

This model is exactly 120 × 120 × 38 mm; choose it when your chassis or heatsink has that mounting footprint and 38 mm clearance.

What does 125 CFM at 2900 RPM actually deliver in my case?

It pushes 125 CFM at 2900 RPM, producing 44.5 dB(A) — strong airflow for dense radiators or restricted intakes, audible under load.

How does the 3-pin alarm terminal work with my 24 V fan header?

The 3-pin connector supplies 24 V DC (14–27.6 V range) at 0.45 A and carries a tach/alarm signal; the header must provide 24 V, not 12 V.

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