Brushes

Electrographite brushes are generally used: DC motors and generators, stationary machinery for industrial, technological machines used in metallurgy, textile, pulp and paper, rubber, axial air gap actuators, electric motors universal. In electric traction, electric brush varieties are used for auxiliary equipment for locomotives and cars for metro and urban equipment traction motors (trams and buses).
Bakelite-graphite brushes to ensure contact: AC electric motors collector type Schrope-Richter, DC motors up to 30 kW motors Lawrence Scott type high power motors fractional motors for hand tools, auxiliary engines hauling .