The ebm-papst 622HH is a compact and efficient DC axial fan engineered for reliable cooling in various industrial applications. Operating on a nominal voltage of 12VDC, this fan delivers an airflow of 56 m3/h while maintaining a sound pressure level of 43 dB(A). Constructed with glass-fiber reinforced PA and PBT plastic for the impeller and housing respectively, the 622HH offers durability and resistance to environmental factors. It incorporates a ball bearing system for extended service life (65000 hours at 40°C) and features electronic locked-rotor and overload protection, ensuring safe and consistent operation. Custom design options are available, including speed signal, alarm functions, temperature sensors, PWM control, and moisture protection, making it a versatile solution for diverse cooling needs.