Rosenberg’s New UNOBOX Helps Cut Costs

UNOBOx Square Duct Centrifugal FanLooking for a way to cut costs in your data centre? Optimising cooling fans will not only save energy but reduce expenditure. Rosenberg’s new UNOBOX fans are designed to make data centre cooling retrofits easier for under-floor and in-cabinet applications.

The Rosenberg UNOBOX consists of a high-efficiency backward-curved motorised impeller with an EC (Electronically Commutated) motor mounted inside a cube-shaped cabinet with an aluminium frame and double skinned side panels.

Inlet cones are optimised to achieve the best possible airflow and lower the noise level. The UNOBOX’s double-skinned galvanised steel side panels are insulated with non-flammable, noise and temperature insulating fiberglass mats making condensation almost non-existent. The side panels are removable so that discharge is possible in different directions.


All UNOBOXes are available with EC motors, defined by their high efficiency and optimal open/closed loop control characteristics. In comparison to conventional AC driven fans, Rosenbergs ErP ready EC fans operate at much higher efficiency levels.

Available in seven fan sizes ranging from 355mm through to 710mm, and four cabinet sizes, 500mm through to 1020mm, UNOBOXES are designed to handle air volumes from 1,500 CFM up to 11,500 CFM.

Rosenberg EC motors are easily speed controllable via integrated electronics. Air volume can be adjusted to any possible operating point. The integrated, intelligent electronics also allow for pressure or air quality For more information on the UNOBOX and Rosenberg’s range contact the Axair Sales Team.

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