Parameter Details Model PFB1224UHE Dimensions 120mm×120mm×38mm (4.72in×4.72in×1.5in) Rated Voltage 24V DC Rated Current 2.4A Input Power 40.8W Rotational Speed 5000 RPM (Typical) Maximum Airflow 183 CFM (311 m³/h) Maximum Static Pressure 1.85 inH₂O (461 Pa) Noise Level ≤56 dB (at 1m distance) Bearing Type Double Ball Bearing Service Life 70,000 hours at L10@25℃ Frame Material PBT + Glass Fiber (Flame retardant UL94 V-0) Blade Material PA66 + Glass Fiber Protection Stall Protection Signal Output Tachometer (Speed Signal), FG/PG Signal Operating Temperature -10℃~+70℃ Storage Temperature -40℃~+85℃ Weight Approx. 550g