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Square black blower fan with three wires and plastic frame

Fans

Fans AB5012HB-A03 50x50x25mm 12V .35A 3-Wire Blower Fan

SKU CH-VHC5-1EPF8

A 50 mm square, 25 mm thick blower fan drawing 0.35 A at 12 V with a 3-wire connection

  • Compact 50 mm square frame fits tight server chassis
  • 12 V, 0.35 A draw keeps power budget low
  • 3-wire connector enables speed monitoring
  • 25 mm thick blower design directs airflow through restricted paths

Compact 12 V blower for tight server builds

This 50 mm square blower draws .35 A at 12 V and fits a 50x50x25 mm footprint. The three-wire connection supplies power and speed reporting for fan-header control. It is designed for chassis that need directed airflow through narrow ducts. Builders who need larger air volume or quieter low-speed operation should look elsewhere.

Three-wire header enables monitored cooling

The third wire carries a tachometer signal so the system can track fan speed and trigger alerts if the rotor stalls. No PWM wire is present, so voltage regulation is the only speed-control method. Software bundles or mounting hardware are not included with this unit.

Highlights

  • Compact 50 mm square frame fits tight server chassis
  • 12 V, 0.35 A draw keeps power budget low
  • 3-wire connector enables speed monitoring
  • 25 mm thick blower design directs airflow through restricted paths

Specifications

No published specifications for this item yet.

Questions about this item

How often should the blower fan be cleaned or replaced?

Dust buildup on the 50 mm blower wheel reduces airflow; clean with compressed air every six months and replace if bearing noise appears.

What limits continuous operation at 12 V and .35 A?

The 3-wire motor’s thermal protection engages first if exhaust restriction raises internal temperature beyond the rated limit.

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