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Carbon graphite electrical contacts & collector shoes

ARC™ Electrical Contacts / Collector Shoes are manufactured from the highest quality, proprietary materials. St. Marys Carbon has carbon graphite, electrographite, resin-bonded graphite, copper graphite, silver graphite and other metal graphite materials to suit your specific application. All of our electrical contacts, from the blending of raw materials to the finished product, are made in-house by our specialized craftsmen.

Materials

We make our ARC Electrical Contacts with the following materials:

We also offer various impregnations and treatments to further fit your application needs.Ask about our ROHS compliant grades that will meet your environmental requirements.

Custom Solutions

Each of our ARC Electrical Contacts can be custom-manufactured to your specific requirements. We develop our own proprietary carbon grades and manufacture each product in-house, so we will work closely with you to create a product that is suited to your application.

GradeDensity(lbs./ft.3)Flexural Strength (psi)Current Capacity (Amps/in2)Scleroscope HardnessVolts Contact DropCoefficient of Friction% MetalApplications
G-60411.8411,000150<20LowMedium96%Electrical Contacts / Collector Shoes
G-98B393.1212,000150<20LowMedium97%Electrical Contacts / Collector Shoes
G320405.6030,000150<20LowMedium96%Electrical Contacts / Collector Shoes
G257393.1222,000<20LowLowLow95%Electrical Contacts / Collector Shoes
B-1796.724,5006565Very HighMedium LowN/AElectrical Contacts / Collector Shoes
FL-57146.648,0007075MediumLowN/AElectrical Contacts / Collector Shoes
A-9698.594,0005045MediumMediumN/AElectrical Contacts / Collector Shoes
B-96102.963,0006545MediumLowN/AElectrical Contacts / Collector Shoes

For more information about our services, call us at 814.781.7333

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KEY ADVANTAGES OF ST. MARYS CARBON ELECTRICAL CONTACTS:

ANTI-WELDING/MELTING

ANTI-WELDING/MELTING

Prohibits welding and melting to other metal surfaces due to the composition and quality of our grades

HIGH CONDUCTIVITY

HIGH CONDUCTIVITY

Provides consistently high conductivity as only the purest metals and materials are used.

OXIDATION-RESISTANT

OXIDATION-RESISTANT

Resists chemical degradation of the
surface material for use in extreme conditions.

SELF-LUBRICATING

SELF-LUBRICATING

Reduces friction/wear and maintenance and increases stability at high temperatures.

KEY END PRODUCTS

Our ARC Electrical Contacts are used in the motors of a variety of end products as listed below. Remember that we custom-design our products to fit your needs, so please contact us if you have a need outside of those below and we’ll work with you to find a solution.

  • Conveyors/Hoists
  • Electric Vehicles
  • Elevators
  • Mobile Cranes
  • Monorails
  • People Movers
  • Rail Systems
  • Revolving Lights

WE MAKE THE GRADE PRODUCTS CAN BE CUSTOMIZED TO FIT YOUR NEEDS! Learn More

KEY MARKETS

Our electrical contacts and collector shoes are used across a wide range of different markets, including:

  • Aerospace
  • Automotive
  • Construction
  • Industrial
  • Mining
  • Power Generation
  • Transportation