ClimaSys outdoor heavy duty 78.102W fanbox without grille and filter ensures effective temperature control inside PHD, S3HD and SFHD enclosures. The fan performs free flow rate of 550 m3/h at 50 Hz and 550 m3/h at 60 Hz. Motor mounted on ball bearing. Equipped with spring clamp terminal. The external width is 223mm, height is 223mm and depth is 90mm. The accessory is made up of 1 fanbox and 4 screws. The color is dark grey (RAL 7016). Ingress protection rating is IP44 (IP55 for grid). Ingress protection rating is IP44 (IP55 for grid). Rated current is 0.7-0.8A 50 Hz. Noise level is 60-60 dB. The operating temperature is -40-70 .C. Maximum pressure is 300 Pa at flow rate of 0 m./h. Net weight is 1.7kg. Certification CE, UL conforming to UL 508A, CSA conforming to CSA C22.2 and ecodesign directive 2009/125/EC. Please note, that overfrequent filter replacement should be avoided, flow rates depends on the work point,. see ProClima software, surrounding environment must be relatively clean, filter must be cleaned and replaced regularly and outside temperature must be 5 .C lower than inside temperature.