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Small square 40mm case fan with black plastic frame and three-wire connector

Fans

Fans KDE2404PKVX 24V 1.5W 4020 3-wire case fan

SKU CH-Y40N-A5CNX

A 24 V, 1.5 W, 40 mm magnetic-levitation case fan with 3-wire speed monitoring

  • 24 V operation fits industrial and server power rails
  • 5 W draw keeps power budgets low
  • 4020 form factor suits compact 40 mm × 20 mm mounts
  • 3-wire connector enables speed monitoring

Compact 24 V magnetic-levitation case fan

The Sunon KDE2404PKVX is a 40 mm by 20 mm case fan that runs on 24 V DC and draws 1.5 W. Its magnetic-levitation bearing reduces friction for quiet, long-life airflow in tight chassis spaces. The three-wire connection supplies power, ground and a tachometer signal for speed monitoring. Builders fitting small-form-factor or industrial enclosures will appreciate the slim profile and reliable operation.

Upgrade from sleeve-bearing 40 mm fans

Replacing older sleeve or ball-bearing 4020 fans eliminates bearing rattle and extends service intervals in always-on systems. The jump is worthwhile when noise levels must stay low or when the fan runs continuously in embedded or server applications. Buyers who need higher static pressure or larger frame sizes should look elsewhere.

How it compares

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

Price $12.99
Cheaper than about 80% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What mounting pattern does the 4020 frame use?

The 4020 frame follows the standard 40 mm square mounting pattern used for 40 mm case fans.

How do I connect the 3-wire lead to a 24 V fan header?

Align the keyed 3-pin connector with the 24 V header, press it fully home, and route the cable so the magnetic-levitation rotor cannot contact any wire.

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