The Rittal SK Series Filter Fan operates at 230 V AC with a mains frequency of 50/60 Hz, delivering an air throughput of 55 m3/h at 50 Hz and 66 m3/h at 60 Hz. Designed with dimensions of 148.5 x 148.5 mm, it offers IP54 protection, ensuring reliable filtration and ventilation performance in demanding environments. This filter fan supports both filtered airflow at 50 m3/h and unimpeded airflow at 55 m3/h, making it suitable for efficient cooling in electrical enclosures.