How To Read a Marathon Model Number of the Nameplate
EXAMPLE
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1. MODEL - The ID number 2. DATE CODE - The month and year manufactured 3. MTG. - Mounting 4. FRAME - The size & mounting 5. PART NO. - Customer part number 6. SER. - Serial number 7. TYPE - Electrical type 8. DES. - Code by NEMA® or IEC 9. PH - Electrical phase usually 1 or 3 10. INS CL - Insulation class 11. DUTY - Time rating under load 12. MAX AMB - The allowable surrounding air temperature 13. ENCL - Enclosure (i.e. TEFC) 14. RISE - The temperature rise over ambient expressed in degrees Celsius when the motor operates at nameplated HP or KW 15. IP - Inherent protection of the enclosure to solids and liquids as defined by IEC 34-5 16. IC - Inherent cooling 17. CODE - NEMA® locked-rotor KVA 18. MTH/YR MFG. - Month and year motor was manufactured 19. WT/LBS - Motor weight in pounds 20. WT/KG - Motor weight in kilograms 21. HZ - Input frequency of the power supply, usually 50 or 60 HZ 22. VOLTS - Voltage rating of the motor at the operating frequency 23. HP - Rated horsepower the motor will produce 24. KW - Rated output in watts 25. F.L. AMPS - The rated load current expressed in amps at nameplated horsepower with nameplate voltage and frequency |