Ecofit-brand high-efficiency E-wheel backward-curved impellers are now available from Rosenberg USA in the popular 192 mm (7.5 inch) size.
Available in both 115 V (PN U24-A4) and 230 V (PN U24-B1) models, the new impellers improve ventilation efficiency and save energy while reducing operating noise. They replace Ecofit PN C10-A6 (115 V) and PN J47-A5 (230 V).
Ecofit E-wheel fans feature special airfoil blades made from UL 94 V-0 reinforced plastic. Their unique design 
Source: Rosenberg USAallows for airflow of 187 ft3/minute (CFM) at 1.2 inches of static pressure with an operating noise level of just 60 dB(A) in the 115 V models. The 230 V models offer 234 CFM with only 56 dB(A) at .8 inches. Maximum airflow is 421 CFM (115 V) and 390 (230 V) at free air.
The single-phase AC motors for the new fans are CE approved and UL recognized and are built with standard Class F insulation and Type 2 ball bearings.
Ecofit E-wheel fans offer smart solutions for many ventilation applications, including air filtration, HVAC, cooling and thermal management.
