DC High Performance Fans & Impellers

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Motorized Impellers

Search for High Power R Series Fans and F Series Impellers

Looking for cooling solutions?

Learn How to Read the General Specs found on the R & F Data Sheets

R & F Series Part Numbering System
The new R and F Series of high power cooling fans achieve new benchmarks for airflow performance and are the most efficient fans in the market today. Using advanced modeling techniques for the airfoil design has given these fans best in class aerodynamic performance. Designed with a new high efficiency 3 phase motor, NMB developed magnet materials, a microcontroller based drive for greater flexibility and a wide range of voltages, these new series offer high efficiency, high performance and total cooling solutions without compromise.

The new R and F Series of axial fans and impellers are ideal for routers and switches applications, base stations, storage and server rack systems, modular data systems, CT scanners, MRI, X-Ray and ultrasound machines among others.


  • High Efficiency
  • Superior Aerodynamic Performance
  • Control Flexibility
  • Easily Customized
  • Low Noise

Standard and Upgraded Features

  • PWM Speed Control
  • Dual NMB Ball Bearings
  • Reverse Polarity Protection
  • Open or Closed Loop Speed Control
  • Digital Bi-Directional Control
  • Direct Thermistor Control
  • Quick Customization with Simple Code changes
  • Auto Brake

You don’t have to choose between high performance or increased efficiency to achieve better value and lower operating costs for your application.

NMB fans offer total cooling solutions without compromise.