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Small black square case fan 40 by 40 by 20 mm three wire

SunnyStar Co., Ltd

SunnyStar Co., Ltd KDE1204PKVX MS.AF.GN 40x20mm 12V 1.4W 3-wire case fan

SKU CH-NHMW-H3A3P

A compact 40 by 20 millimetre Maglev case fan running at 12 volts and 1.4 watts with a three-wire power connection

  • TypeCase Fan
  • Bearing TypeMaglev
  • Power Connector3 wires
  • ColorBlack
  • LEDNon-LED
  • FeaturesDC square Cooler
  • Maglev bearing reduces friction for longer life
  • 12 V 1.4 W power draw keeps energy use low
  • Three-wire connection enables speed monitoring
  • Compact 40 mm square frame fits tight spaces
  • Non-LED black design suits professional builds

Compact 40 mm maglev fan for tight builds

This 40 by 40 by 20 mm case fan uses a maglev bearing and a 12 V 1.4 W motor to deliver airflow in small enclosures. The three-wire lead provides tachometer feedback for speed monitoring without PWM control. It suits network switches, routers and other space-constrained devices that need reliable cooling. Non-LED black frame keeps the look subtle in any chassis.

Thermals noise and power in normal use

At 1.4 W draw the fan adds minimal load to a 12 V rail while the maglev design reduces friction noise compared with sleeve or ball bearings. The DC square cooler layout moves air steadily across compact heatsinks in typical switch or router workloads. Expect quiet operation suitable for always-on networking gear in office or home environments.

What the bare lead and maglev bearing change

The three wires come without a fitted connector so you can solder or crimp the exact header your board requires. Maglev bearing eliminates physical contact between shaft and sleeve for longer service life in continuous duty. No RGB or lighting circuitry means simpler wiring and no extra power draw. The package includes only the fan unit itself.

Priekšrocības

  • Maglev bearing reduces friction for longer life
  • 12 V 1.4 W power draw keeps energy use low
  • Three-wire connection enables speed monitoring
  • Compact 40 mm square frame fits tight spaces
  • Non-LED black design suits professional builds

Specifikācijas

SeriesKDE1204PKVX
ModelKDE1204PKVX MS.AF.GN
TypeCase Fan
Bearing TypeMaglev
Power Connector3 wires
ColorBlack
LEDNon-LED
FeaturesDC square Cooler
Dimensions40*40*20mm

Jautājumi par šo preci

How do I wire the 3-wire Maglev fan to a 12 V header without a pre-fitted connector?

The three wires carry 12 V, ground and a tachometer signal; solder or crimp them to a matching 3-pin plug observing the correct polarity so the speed signal reaches the motherboard or controller.

What maintenance does the Maglev bearing need during its service life?

Maglev bearings run without physical contact, so no lubrication or cleaning is required; only occasional dust removal from the 40×40×20 mm frame keeps airflow at spec.

At what point does the 1.4 W power limit constrain airflow under continuous load?

The fan draws a fixed 1.4 W at 12 V, so its maximum static pressure and airflow are capped by that power envelope regardless of how long it runs.

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