You can count on Rosenberg for innovative axial fans that deliver outstanding efficiency and quiet operation in data center and HVAC condensers, evaporators, chillers, and cooling towers. Our E66 model EC axial fans offer high performance and high efficiency in continuous use, with exceptional airflow, and surprisingly low noise.

For example, our E66-80672 800-mm Gen 3 EC axial fan with proprietary aluminum winglet-style blades delivers 12,000 CFM @ 1 inWG while producing just 79 dB(A) of noise at one meter.

Superior fluid dynamics increase fan output, providing a steep airflow/pressure curve. Input voltage is 380-480V (max 3.5 Kw), 3-phase, 50-60 Hz. The EC motor is rated to IP54 AND UL-R Class F. Standard features include LED status indicator, soft start and easy MODBUS RTU compatibility. The operating temperature range is -25°c to +60°c at full speed.

All Rosenberg’s EC fans feature long-life, low-temperature brushless DC motors that are controlled by maintenance-free electronic circuitry and are easily speed-controlled.

Visit our web site to see the entire line-up of E66 axial fans. They range from 560-mm to 900-mm with a maximum airflow of nearly 17,000 CFM.

Rosenberg also offers customized products made specifically to meet a customer’s unique needs such as special finishes, voltages, or frequencies.

For more information, or to place an order, contact Rosenberg USA at (704) 893-0883 or e-mail

About Rosenberg

The Rosenberg family of companies is headquartered in Künzelsau, Germany and employs more than 1,400 individuals worldwide. Rosenberg fans and blowers can be found in HVAC systems, as well as industrial and portable air conditioning; in air cooling for variable frequency drives (VFD), wind power generators and power converters, solar inverters, uninterruptable power supplies (UPS), transformers, heat sinks, fan coils, telecom racks and other industrial equipment; in air handling units and fan filter units (FFU); and in railway, marine, military and avionics equipment. In addition to standard products, Rosenberg also offers engineering and manufacturing application assistance for custom air movement solutions. Rosenberg USA is located just outside Charlotte in Indian Trail, N.C.