ebm-papst 400 Series Ball Bearing DC Axial Fan From ebm-papst, the 400 series of DC axial fans have a ball bearing design that ensures smooth operation at any orientation. Their aerodynamically modified housing aids noise reduction, while preserving efficiency. These ball bearing fans are ideal for thermal management applications where high performance is required. Features and Benefits • Exhaust over strut
• Mountable at any orientation
• Plastic construction Applications Ball bearing axial fans are ideal for high density computer applications, where high performance is required and noise isn’t a consideration. FAQ Q: What are the advantages of ball bearing fans over sleeve bearing fans?

A: Ball bearing fans are typically less prone to wear and tear than sleeve bearing, which makes them ideal for a longer service life. They are also able to operate in higher temperatures, and in any orientation. However, they are less rugged and can be more easily disrupted by impact, and tend to be noisier than their sleeve bearing counterparts.

Q: Is the fan easy to operate?

A: With completely integrated electronic communication, the fans require little input from the user to operate, and easily adapts to the user interface.

Q: Is the fan durable?

A: Constructed from glass fibre reinforced plastic, 400 series axial fans are protected against a degree of particle ingress as standard.

Q: Are there accessories available for this fan?

A: There is a finger guard (251-081) available for this series of fans.