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Small black square 4020 case fan with three wires

Fans

Fans 4020 12V 0.08A 1608KL-04W-B29 case fan

SKU CH-XRKJ-J3X70

Compact 40 mm square frame spins at 12 V with a low 0.08 A draw and three-wire speed monitoring

  • 12 V DC operation keeps power draw low at 0.08 A
  • 40 mm square frame fits tight chassis spaces
  • Three-wire connector enables speed monitoring
  • NMB motor design built for continuous inverter cooling

NMB 4020 12V inverter cooling fan

This NMB 4020 model is a 12 V inverter cooling fan rated at 0.08 A. It uses a three-line connection for power and signal. The unit is intended for equipment cooling where a compact axial fan is required.

Capacity and headroom for tight spaces

The fan draws 0.08 A at 12 V, providing airflow for small enclosures and inverter modules. It suits low-power cooling tasks but lacks the airflow for high-heat components or large chassis. Builders needing higher static pressure or greater volumetric flow should consider larger frame sizes.

Highlights

  • 12 V DC operation keeps power draw low at 0.08 A
  • 40 mm square frame fits tight chassis spaces
  • Three-wire connector enables speed monitoring
  • NMB motor design built for continuous inverter cooling

Specifications

No published specifications for this item yet.

Questions about this item

Will the 4020 12 V fan run on the same 12 V header as my older case fans?

Yes, the fan is rated for 12 V and draws 0.08 A, so it shares the same voltage rail as standard 12 V case fans.

How can I confirm the 1608KL-04W-B29 is spinning correctly after installation?

Check the motherboard fan-speed readout or BIOS hardware monitor; it should report an RPM value once the 3-wire connector is seated.

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