CHARLOTTE, NC -- ETRI®400 Hz and 28 VDC fans designed specifically for avionic systems and marine applications are now available from Rosenberg USA. The new fans feature aluminum housings, axial impellers or forward curved blowers, flying lead connections, long-wearing ball bearings and reliability features that yield a 35,000-hour or greater service life.
Their rugged construction and high performance make the 400 Hz and 28 VDC fans ideal for on-board systems: cooling for LCD displays, power electronics, onboard computers, avionics equipment, HVAC designs, and cockpit defrosters. Also, the fans are a reliable option for cooling ground systems or marine applications, including radar, shelter, and HVAC evaporators and compressors.
For marine applications, Rosenberg offers these ETRI 400 Hz and 28 VDC fans with many options that protect against EMI, salt fog, shock and vibration, and extreme temperatures and humidity.
Available in sizes from 56 x 38 mm to 320 x 214 mm, the new fans deliver a mix of airflows and static pressure from of 4 to 2,055 cubic feet per minute and 0.25 to 16 inches of static pressure. These low-noise models can be assembled with protection level IP 54 and compliance to the different levels of the DO 160, MIL HDBK 217, MIL 461, MIL 704, and MIL 810 F standards among others.
Nominal speeds range from 5,500 to 23,000 rpm. Some fans integrate a two-speed wiring. Standard input voltages are 115 Volt or 200/208 Volt 400 Hz, and 28 Volt DC applications. ETRI brand fans are manufactured by Rosenberg and are 100 percent inspected before shipping. Consult the factory for high and low airflow operations.
