How to Read a Model Number


How To Read a Marathon Model Number off the Nameplate

Example of Marathon Fractional Model Number: 8PE48A11O787AP R130



48  11  787  R130 
 1 10  11  12  13 
                                           

Example of Marathon Integral Model Number: 2QA215TBDRA7076AL L R116



215T  7076  AL  R116 
 1  2  4  5  10  11 12   13 
                                                   
  1. Date Code - Year Motor was manufactured.
  2. Thermal Protection (not always present in every Marathon model number)
  3. Date Code - Month Motor was manufactured.
  4. NEMA Frame Size
  5. Electrical Type
  6. RPM or Speed (Fractional Motors only)
  7. Enclosure
  8. Frame Construction (Integral Motors only)
  9. Style Letter indicating redesign
  10. Sequence Number
  11. Revision Letters (1 letter for Fractional, 2 letters for Integral)
  12. Manufacturing Code
  13. Modification Code (only present on nameplates of motors that have been modified through Marathon's MOD CENTRAL)