The Pfannenberg filter fan is a compact panel cooling unit designed for efficient ventilation of control cabinets and electrical enclosures. It operates on a 24 V DC supply and provides a filtered airflow of 56 m3 per hour while maintaining a low noise level of 49 dB. With an IP54 rated housing and dimensions of 150 x 150 mm, it offers reliable protection against dust and moisture. Designed for panel mounting with a shallow installation depth, it ensures effective thermal management in industrial automation systems and control panels.