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AB5012HB-A03 axial cooling fan is a high-quality replacement cooler built for projectors and compact industrial hardware. Measuring 50x50x25mm and powered by DC12V 0.35A, it adopts dual ball bearings to withstand continuous nonstop operation and vibration. The 3-wire design outputs fan speed feedback so your projector mainboard can track fan working condition. It provides strong static pressure airflow to push air through narrow internal ducts inside projector housings. Replacing defective fans resolves fan stall and rattling noise issues, prevents projector overheating and automatic shutdown, and extends your equipment service life.