High Power Cooling Fans



NMB’s R and F series cooling fans set benchmarks for airflow performance and efficiency


NMB High Power Cooling Fans NMB's R and F series high power cooling fans remove the need to choose between high performance and increased efficiency to achieve better value and lower operating costs for your applications. These quality fans achieve benchmarks for airflow performance and are the most efficient fans in the market today.

Design highlights include a new high efficiency three-phase motor, NMB developed magnet materials, and a wide voltage range of 30 V to 72 V for the R  and F series.

  Features - All   Features - R Series Only
  • High efficiency
  • Superior aerodynamic performance
  • Control flexibility
  • PWM speed control
  • Dual NMB ball bearings
  • Reverse polarity protection
  • Open or closed loop speed control
  • Direct thermistor control
  • Quick customization with simple code changes
  • Digital bi-directional control
  • Auto brake

  Applications
  • Routers
  • Switches
  • Base stations
  • Storage systems
  • Server rack systems
  • CT scanners
  • MRI
  • X-ray
  • Ultrasound machines
  • Industrial power supplies
  • Automatic test systems

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Digi-Key
Part Number
NMB
Part Number
Operating Voltage
(V)
Current
(A)
Input Power
(W)
Max. Air Flow
(CFM)
P15547-ND R172A0-051-D0790 30~72 4.40 211.2 604
P15545-ND F175A3-062-D0550 18~30 3.85 92.4 505
P15546-ND F175A1-062-D0750 30~72 2.45 117.6 551
P15543-ND F225A4-092-D0530 18~30 7.20 172.8 763
P15544-ND F225A2-092-D0730 36~72 4.15 201.6 763