Quarry Duty Motors - Design C

These motors are ideal for low horsepower solutions for specialty high torque and overload applications in industrial environments where lighter motor weight, reliability and highest operating output are desired. Motors have heavy gauge steel frame construction rated for IP55 enclosure protection for long life in applications exposed to the elements. Premium efficiency electrical designs minimize operating costs while providing NEMA Design C torques and a 1.15 service factor. Motors are suitable for fixed speed and variable speed operation for a wide range of operational output.


  • 2 - 10 hp 
  • 145T – 215T NEMA frame
  • High torque NEMA Design C electrical design
  • TEFC steel band frame – cast iron endplates, conduit box and fan cover
  • IP55 enclosure includes gasketed conduit box and cover, shaft seal
  • Inverter ready
  • Class F insulation with Class B temperature rise
  • 1.15 service factor

Common applications

  • Conveyors
  • Gear reducers
  • NEMA Design C applications
  • Belt conveyors and screens

Common industries

  • Aggregate
  • Cement
  • Mining
  • Above ground mining
  • Bulk material handling

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