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NMB Announces High Performance, 4 Wire PWM Cooling Fans

November 30, 2020

NMB introduces a new series of high performance, 4 wire, pulse width modulation (PWM) driven fans with tachometer signal. These new cooling fans offer high torque, efficient motor technology and aerodynamic impeller design to provide many years of continuous reliable performance for most demanding applications. PWM fans offer more than an increased life expectacy, the fans also offer energy savings, current spike prevention, and low vibration and noise operation.

PWM fans are commonly used in broadcast and telecom equipment, battery chargers and fuel cells, industrial power supplies, medical equipment applications and more.


The PWM fans are available with a wide range of options including:

  • Lock rotor protection
  • Ceramic Ball Bearings
  • Conformal Coating
  • Potting
  • In-rush current protection


  • Energy Savings
  • Increased Life Expectancy
  • Energy Saving
  • Lower Vibration
  • Lower Noise
  • Current Spike Prevention


NMB DC fan offering

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