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Square 110mm turbine case fan with metal grille and four wires

Fans

Fans BL4447-04W-B49 11028 110mm 12V 4-wire case fan

SKU CH-N76H-Z31JJ

110 mm case fan with 4-wire PWM control, 12 V power and 5500 RPM speed

  • 110 mm frame fits tight chassis spaces
  • 4-wire PWM control enables precise speed regulation
  • 2 W motor delivers strong airflow at 5500 RPM
  • metal grill protects blades in demanding environments

110 mm 12 V 4-wire case fan

This 110 mm case fan runs on 12 V DC and draws 2 A for a rated 19.2 W. A four-wire PWM connection allows the motherboard to vary speed up to 5500 RPM. The turbine-style impeller is designed for high static pressure in tight chassis.

Metal grille and turbine impeller

The integrated metal grille protects the blades while maintaining airflow. The turbine blade profile increases static pressure compared with conventional axial fans of the same footprint. No mounting screws or adapters are included in the package.

Highlights

  • 110 mm frame fits tight chassis spaces
  • 4-wire PWM control enables precise speed regulation
  • 2 W motor delivers strong airflow at 5500 RPM
  • metal grill protects blades in demanding environments

Specifications

No published specifications for this item yet.

Questions about this item

How often should I clean the metal grill on this 110 mm turbine fan to maintain airflow?

Wipe the metal grill and turbine blades with compressed air every three to six months, or whenever dust buildup becomes visible, to preserve the 5500 RPM airflow.

What limits continuous operation at 5500 RPM on this 12 V 4-wire fan?

The 19.2 W power draw and 2 A current at 12 V set the thermal ceiling; sustained full speed is limited by the motor's ability to dissipate that heat.

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