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Square 140mm AC cooling fan with black frame and visible blades

Fans

Fans MU1428S-11Size 140mm AC100V 0.15A case fan

SKU CH-VB3S-164VN MPN MU1428S-11Size

A 140 mm AC 100 V case fan with double ball bearings rated for 50 000 hours at 25 °C and 42 dBA noise

  • 140 mm frame fits standard case mounts
  • AC 100 V supply powers the fan directly
  • Double ball bearing rated 50 000 hours L10 at 25 °C
  • 42 dBA noise level keeps operation quiet
  • 12 W draw at 60 Hz minimises energy use

140 mm AC 100 V case fan

This 140 mm axial fan operates on AC 100 V mains power and draws 0.15 A at 60 Hz or 0.17 A at 50 Hz. It is intended for builders who need direct mains-driven airflow inside enclosures that already provide a 100 V supply.

Mains voltage and fixed speed

The fan runs at line frequency, so its speed is tied to 50 Hz or 60 Hz mains and cannot be PWM-controlled or voltage-regulated by a typical motherboard header. Builders who need variable speed control or low-voltage header connection should look elsewhere.

Double ball bearing rated 50 000 hours

A maintenance-free double ball bearing provides an L10 lifetime of 50 000 hours at 25 °C, making bearing durability the key specification for continuous-duty cooling in industrial or server chassis.

Highlights

  • 140 mm frame fits standard case mounts
  • AC 100 V supply powers the fan directly
  • Double ball bearing rated 50 000 hours L10 at 25 °C
  • 42 dBA noise level keeps operation quiet
  • 12 W draw at 60 Hz minimises energy use

Specifications

No published specifications for this item yet.

Questions about this item

Which voltage version should I pick for a 100 V AC supply?

The MU1428S-11 is rated for AC100V at 50Hz or 60Hz, drawing 0.15A at 60Hz and 0.17A at 50Hz, so it matches a standard 100 V line directly.

What does the 42 dBA noise figure mean once the fan is installed in a case?

At 42 dBA the fan produces a moderate hum audible in a quiet room but typically masked by other components inside a closed chassis.

How does the double ball bearing and Class B insulation affect long-term use?

Maintenance-free double ball bearings are rated for 50,000 hours L10 life at 25 °C, while Class B insulation withstands higher operating temperatures for reliable continuous running.

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