Rosenberg USA: Centrifugal Fans
October 5, 2005
The UL-listed EcoFit centrifugal fans are available in a range of airflows, power levels, rotational speeds, noise levels, dimensions, and finishes. The fans are ideal in high-performance A/C, home ventilation, and heat recovery systems, states the manufacturer. Both single- and double-inlet versions offer rated operating temperatures from -4 degrees to 158 degrees F. Forward-curved impeller diameters are sized from 4.73 to 7.87 inches. A variety of voltages are available, including 115, 230, and 277 VAC in 60 Hz. The single-inlet fans generate a maximum airflow capacity of 427 cfm and sound levels that range from 51 to 67 dB. The double-inlet fans produce up to 822 cfm of airflow and their sound level range is from 49 to 64 dB. Standard features include IP44 protection, G2.5 balancing, Class F winding, and thermal protection.
Rosenberg USA, 1503 Rocky River Rd. North, Monroe, NC 28110; 704-289-5423; 704-283-7170 (fax); firstname.lastname@example.org