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Small black square case fan with three wires

Fans

Fans FFB0412EHN-C 4028 12V .40A 3-line case fan

SKU CH-R71Z-CAS2M

A 4028 case fan runs on 12 V and draws .40 A with three-line speed control

  • 12 V operation for standard power compatibility
  • 40 A draw keeps energy use low
  • 3-line connector enables speed monitoring
  • 4028 model fits compatible 40 mm mounts

Compact 12 V Case Fan for Tight Builds

This 40 mm by 28 mm fan runs on 12 V and draws 0.40 A through a three-wire connection. The FFB0412EHN-C model fits small chassis or auxiliary cooling spots where larger units cannot mount. It provides directed airflow for component-level cooling in confined spaces.

Suited for Low-Profile 12 V Slots Only

Builders needing a 12 V three-wire fan in the 4028 form factor will find this unit matches the electrical and physical constraints. Systems that require PWM control, higher airflow ratings, or larger frame sizes should look at alternative cooling solutions.

Highlights

  • 12 V operation for standard power compatibility
  • 40 A draw keeps energy use low
  • 3-line connector enables speed monitoring
  • 4028 model fits compatible 40 mm mounts

Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the 3-line connector on the FFB0412EHN-C fan and which step is often missed?

Plug the three-pin connector into a 12 V fan header matching the 0.40 A draw; the step often missed is routing the tachometer wire so the motherboard can read speed.

What maintenance will the FFB0412EHN-C need over time?

Periodically clean dust from the 4028 frame and blades; if bearing noise appears or airflow drops, replace the entire 12 V 0.40 A unit.

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