International. Rosenberg's new 560-mm Gen 3+ EC backward-curved fan module delivers more efficiency, less noise and higher airflow for data center cooling and air handling units, as well as wind power, compressor and transformer cooling applications.
The Rosenberg model GKHM 560-CII.183.6NA IE Gen3+ (PN # N88-56700) is a compact, optimized fan unit delivering up 70% efficiency. The Gen 3+ EC motor operates at consistently high efficiency, even in partial load ranges, and is paired with an advanced-design aluminum impeller featuring five backward-curved, profiled blades and an efficiency-optimized circumferential diffuser.
The N88-56700 is remarkably quiet for a fan of its size, with operating noise levels ranging from a high of just 89 dB to a low of 68 db.
The new fans also deliver up to 12% more air than earlier models, depending on the operating point. The N88-56700 operates in both 3~ 200-240 and 3~ 380-480 input voltage ranges, simplifying specification. In the 3~ 200-240 VAC range, operating airflow is 8000 cfm @ 3” of pressure. At 3~380-480 VAC the N88-56700 generates 8000 CFM @ 4” of pressure. At free air, maximum airflow is nearly 13,000 CFM in either voltage range.
Like all Rosenberg EC plug fans, N88-56700 features low installation depth, easy integration, and maintenance-free operation thanks to lifetime lubricated ball bearings. Fan speed is infinitely adjustable.
