70-mm fan package maximizes airflow, minimizes noise

The OD70 series of 70-mm tubeaxial dc fans deliver airflow ranging from 19 to 60 cfm with low noise levels of 49.5 dB down to 29.0 dB. The fans help maximize performance in a wide range of enclosure applications. Nine different fan models are available as standard products in three popular package sizes, 70 x 15-mm (OD7015), 70 x 20-mm (OD7020) and 70 x 25-mm (OD7025).

The tubeaxial fans are offered in 12 and 24-Vdc versions, can be built in alternate speeds, and can be ordered with optional IP55 protection and special functions including thermal control, alarm, tachometer and pulse-width modulation. It has a UL94V-0 plastic frame and impeller that is designed for an operational life of 70,000 h at 40°C and features a polarity protected brushless dc-motor with auto restart and a dual ball bearing design. The fans also feature an operating temperature range from –10° to +70°C.