4CF Series

The 4″ AFT encapsulated submersible motors are developed to comply with international quality standards, built with special robust materials to be used in deep wells and other applications, these comply with the NEMA standard. They have a 2 year warranty. They are tested in Factory before making the dispatch.


  • Mechanical wells of 4 “or more
  • Artisan Wells
  • Reservoirs of Artificial Water (Tanks or cisterns)
  • Natural Reservoirs of Water (Rivers, Lakes, births)

CSA Conformitée European

AFT 4CF-Series


Technical specifications

  • Max. Immersion depth: 300m
  • Protection: IP68.
  • Maximum starts per hour: 20.
  • Insulation: Class F.
  • Nominal ambient temperature: 30ºC.
  • Standard installation position: vertical and horizontal.
    (With an angle of inclination> 5C towards the DE) lubricated by Water.
  • Minimum cooling flow: 0.08 m/s.


AFT Submersible Motors Technical Manual AFT 4CF-Series