The ebm-papst ACi4420HH is a high-performance tubeaxial fan engineered for demanding industrial environments. Featuring a robust GRP housing and PA impeller, this fan provides efficient cooling with an airflow of 175 m3/h. It operates on a 230 VAC power supply with a frequency of 50/60 Hz, offering a wide voltage range of 195-265 VAC. The fan's design incorporates sintec sleeve bearings for reliable operation and a long service life, with an L10 rating of 65,000 hours at 40°C. It's ideal for applications requiring reliable and efficient ventilation, such as HVAC systems, industrial machinery, and electronic equipment cooling.