Brush Holders for auxiliary motors the mine traction brush holder is mainly used in traction motors to provide a stable carbon brush retention for the traction motor's rotational conduction.

Carbon Brushes for auxiliary motors Pm Group offers a variety of carbon brushes for grounding systems. These carbon brushes are made of natural graphite and metal powder, copper and silver, to achieve the required levels of hardness and cohesion.

-Specific designs -Selected materials -High quality ramming -Optimized cable dimensions -Good mechanical stability -High electrical conductivity -Low coefficient of friction -High transient current density -Wide speed range (15 to 55 m/s) -Brush wear indicator systems

The metro uses current collector devices to collect energy from the third rail to power the Electric Multiple Unit installed on the trailers. Pm Group repairs and remanufactures devices of all brands in compliance with manufacturing and material control standards to ensure a custom component.

Carbon strips for pantographs