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Square black axial fan with wire grille centre and two power leads

CAFELE

CAFELE 4712KL-05W-B40 24V 120x120x38mm Case Fan

SKU CH-QKY6-EFDWQ

A 24 V axial case fan delivering 112 CFM at 3100 RPM with a 50,000-hour rated life

  • TypeCase Fan
  • 24 VDC axial fan built for ABB ACS800 inverter cooling
  • 3100 RPM delivers 112 CFM airflow across 120 mm frame
  • 50 000 hour rated life at 8.16 W power draw
  • 34 A current keeps electrical load low for continuous duty
  • CE approved 100 % new NMB unit weighs 0.24 kg

Industrial ABB Inverter Cooling

The CAFELE 4712KL-05W-B40 is a 24 V axial fan built for ABB frequency inverter cooling. It fits ACS800 drive cabinets and similar industrial enclosures. The unit runs at 3100 RPM and delivers 112 CFM airflow. It is suited for maintenance teams replacing worn originals.

Direct OEM Replacement

This model matches the NMB 4712KL-05W-B40 PR1 specification used in ABB hardware. It replaces the factory fan when bearings fail or airflow drops below spec. The swap is worth it when the inverter shows thermal alarms or the original exceeds its 50000 hour rated life. No rewiring is needed for the two line connection.

Rated Thermal Headroom

At 8.16 W power draw and 0.48 A current the fan maintains rated speed under continuous 50/60 Hz operation. It comfortably handles the heat load of standard ACS800 modules within the 120x120x32 mm frame. Headroom diminishes if inlet air temperature rises far above design limits or if dust blocks the blades.

Highlights

  • 24 VDC axial fan built for ABB ACS800 inverter cooling
  • 3100 RPM delivers 112 CFM airflow across 120 mm frame
  • 50 000 hour rated life at 8.16 W power draw
  • 34 A current keeps electrical load low for continuous duty
  • CE approved 100 % new NMB unit weighs 0.24 kg

Specifications

TypeCase Fan

Questions about this item

What mounting holes does the 120x120x38mm frame use?

The fan has a 120mm square frame with standard 120mm mounting hole spacing for case or panel installation.

How do I connect the two power leads correctly?

Connect the two wires to a 24V DC source observing polarity; the fan draws 0.48A at 8.16W.

When should I plan to replace the fan based on its rated life?

The manufacturer rates the bearing life at 50,000 hours of continuous operation at 3100 RPM.

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