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Small square 40mm waterproof case fan with black frame and blades

Fans

Fans 1608KL-05W-B39 40x40x20mm 24V 0.08A 8500RPM case fan

SKU CH-T56A-K387X

A 40 mm square, 24 V case fan spinning at 8500 RPM, supplied in a pack of five

  • Compact 40×40×20 mm footprint fits tight chassis
  • 24 V, 0.08 A draw keeps power use low
  • 8500 RPM speed moves air through dense heatsinks
  • Waterproof build protects against moisture in industrial gear

40 mm waterproof case fan

The Fans 1608KL-05W-B39 is a 40x40x20 mm case fan rated for 24 V and 0.08 A at 8500 RPM. It is built for tight enclosures that demand a waterproof design and comes in a five-piece lot.

8500 RPM airflow in a 4020 frame

The 4020 form factor delivers concentrated airflow for small industrial chassis or Fanuc-style equipment where space is limited. Buyers needing larger diameters, lower voltage options or higher static pressure for dense radiators should look elsewhere.

How it compares

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

Price $32.99
Pricier 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

Will the 1608KL-05W-B39 40x40x20mm dimensions fit the same Fanuc mounting holes as the older unit I am replacing?

The fan measures 40 by 40 by 20 mm, matching the standard 4020 frame size used in many Fanuc enclosures, so the existing screw pattern should align.

How can I verify the 24V 0.08A 8500RPM fan is spinning correctly after installation?

Apply 24 V and measure current draw near 0.08 A; the rotor should reach 8500 RPM, which can be confirmed with a tachometer or the Fanuc controller's fan-speed readout.

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