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Small black 40mm square fan with three wires

OEM Industries

OEM Industries 1606KL-05W-B49 40mm 24V 0.07A 3-pin CPU cooler

SKU CH-RGH3-HSQPC MPN 1606KL-05W-B49

A 40mm ball-bearing fan running on 24V at 0.07A with a 3-pin connector

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeBall
  • Power Connector3 Pin
  • LEDNo
  • Compact 40 mm footprint fits tight chassis
  • Ball bearing ensures long operational life
  • 24 V 0.07 A draws minimal power
  • Three-pin connector enables speed monitoring
  • Fan-only design keeps weight low

40mm 24V CPU Fan

The OEM Industries 1606KL-05W-B49 is a 40mm square fan designed for CPU air cooling. It operates on 24V DC drawing 0.07A through a 3-pin connector. The unit uses a ball bearing and has no LED lighting.

Suited for 24V 3-pin headers

This cooler fits builds that supply a 24V three-pin header and need a compact 40x40x15mm fan. It is not for systems that lack a 24V fan header or require a four-wire PWM connection. Buyers needing integrated heatsink assemblies should look elsewhere.

24V 0.07A 3-pin specification

The decisive specification is the 24V 0.07A rating combined with the 3-pin interface. Verify that your board or controller provides exactly this voltage and connector type before purchasing.

Highlights

  • Compact 40 mm footprint fits tight chassis
  • Ball bearing ensures long operational life
  • 24 V 0.07 A draws minimal power
  • Three-pin connector enables speed monitoring
  • Fan-only design keeps weight low

Specifications

Model1606KL-05W-B49
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeBall
Power Connector3 Pin
LEDNo

Questions about this item

How often should the ball bearing in the 40mm fan be inspected or replaced?

The NMB 1606KL-05W-B49 uses a ball bearing rated for continuous operation; under normal 24V load it typically runs for years before any service is needed.

What thermal limit is reached first when the fan runs at 24V 0.07A continuously?

The motor winding temperature stabilises within the design envelope of the 40x40x15mm frame, so the bearing lubricant life becomes the first long-term limit.

How much noise and heat does the 3-pin 24V fan add to a system running all day?

At 0.07A the fan draws minimal power, keeping acoustic output low and exhaust heat negligible inside a standard chassis.

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