Carbon brushes for FHP motors

motor FHP brush Mersen

Mersen offers a wide range of carbographitic, bakelite-graphite and metal-graphite brushes for FHP motors.  

  • Carbographitic grades are prepared from carbon and coke powders (natural or artificial) agglomerated with appropriate binders to give them good resistance to high temperature and variable loads.
  • Bakelite-graphite grades are made from natural or artificial graphite powders agglomerated with a thermo-hardening resin to give them a high electrical and mechanical resistance power.
  • Metal-graphite grades: powdered natural or artificial graphite is mixed with a thermo-setting resin, copper powder, and/or other metal powders. The mix is then pressed and polymerized at a suitable temperature in an inert atmosphere.

 

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FHP motors carbon brushes: main features

  • Selected range of materials
  • Customised machined or pressed to size designs
  • High quality tamping (cable connection)
  • Optimized cable dimensions
  • Good mechanical stability
  • High electrical conductivity
  • Low friction coefficient
  • High transient current density
  • Wide speed range (15 to 45m/s)
  • Brush wear indicator systems available as an option