Enclosure Filter Fans


EIC Solutions, Inc. has introduced a line of filter fans which provide an effective, economical method for removing unwanted heat from electrical/electronic enclosures and cabinets. The VFF Series Filter Fans provide forced convection cooling for computers, power distribution equipment,industrial automation controls, food and beverage process controls, telecom communication and other electrical and electronic devices housed in enclosures. The fans may be used anywhere filtered ambient air will provide sufficient cooling to maintain the equipment at a safe temperature. Electrical and electronic equipment mounted inside a cabinet generate heat that raises the temperature inside the enclosure. Over time, the ever increasing heat can cause sensitive devices to malfunction or fail. Additionally, heat accumulation can cause circuit breakers to trip which can result in system shut down. To assure operational reliability and along service life for enclosed electrical/electronic systems, it is necessary to dissipate the heat building up inside the enclosure.

EIC Filter fans will cool enclosures to a level slightly above the ambient temperature outside the cabinet. To cool enclosure contents, the fans draw filtered ambient air into the cabinet. At the same time, the heated air within the cabinet is blown out an exhaust. The exhaust is also filtered which creates airflow resistance and a slightly higher pressure inside the enclosure. The cool, dense, pressurized filtered air in the cabinet not only maintains a safe operating temperature, but also prevents dust and other particulate contaminants from entering the enclosure through any unsealed openings. The fans are designed with airflow optimized fins and rotor blades to assure maximum airflow and low energy consumption. Intake filters are designed with multiple flutes which maximize filter surface area thus capturing and filtering more air. Utilizing a durable ball bearing design, the fans are quiet and long lasting and provide from 11 to 368CFM of airflow. The extremely flat profile minimizes the protrusion of the fan housing from the surface of the enclosure wall. VFF Series FilterFans are available in a wide range of configurations for both indoor and outdoor use. Durable, rugged injection molded, thermoplastic construction is standard. Depending on the model used, EIC filter fans will maintain NEMA ratings of 12, 3R or 4. An optional stainless steel rain shroud is available for NEMA 4X installations. The fans are designed to mount on side of enclosures and have power options of either 24 VDC or 115/230/460 VAC. 


  • 11 to 368CFM of airflow
  • extremely flat profile
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