Carbon Brushes

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For over 88 years, Helwig Carbon has been an industry leader in the replacement brush market, as well as a supplier to many of the major OEMs of DC equipment. We stock thousands of carbon brushes for a variety of popular applications. Our state-of-the art manufacturing facility also allows us to quickly produce custom brushes in a day or two.

Our carbon brushes are custom designed and manufactured to meet the requirements of your particular motor or generator. Finding the proper brush design for the operating conditions of your motor is the key to maximizing the life of the carbon brush and contact surface. Poor brush selection can result in fast brush wear and damage to the contact surface. Helwig Carbon's engineers are industry leading experts on sliding electrical contacts found in:

  • DC Motors
  • Generators
  • Slip Ring Motors
  • FHP Motors
  • Grounding Applications

Let us help you find the best solution for your application!

Slip Ring Brushes

Shop our catalog Slip Ring Brushes (An electrical slip ring is a rotary continuity device to transfer electrical power, control, and data from a stationary to rotating member. Brushes ride on the slip ring as the rotor rotates.) The electrical connection to the rotor is made by connections to the brushes. We also make brushes with inserts for cleaning action to minimize the slip ring wear. Brush impregnations and treatments can also done to protect the slip ring surface from contaminated environments. High…

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Shaft Grounding Brush Holders & Lightning Protection

Helwig Carbon offers several different carbon brushes for grounding applications. Our most popular grounding brush is used as a shaft grounding assembly we call The Bearing Protector that diverts static and induced electric currents in motor shafts away from the bearings, protecting them from pitting and damage. Check out our Bearing Protector which is a brush and holder kit that can be easily installed on the end of the motor shaft. Shaft grounding for use on Variable Frequency Drives (VFD) is…

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