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Home > Electric Motors > Discontinued Electric Motors > MARATHON Discontinued AC Motors > 450HP MARATHON 3600RPM 5011L 400V TEFC 3PH MOTOR Y1851

450HP MARATHON 3600RPM 5011L 400V TEFC 3PH MOTOR Y1851

Catalog Number:  Y1851
Description:  450HP,3600RPM,5011L,400V,TEFC,3PH,60HZ,FIRE PUMP
Ship Weight:  5845 lbs.

This Marathon motor has factory lead times of approximately 5-8 weeks after receipt of order. For exact lead times or other interchangeable products please contact our sales team for particulars.

This Marathon Motor Can Only Ship Ground Freight
For expedited needs please contact our sales team.

APPLICATIONS: For use on pumps designed for fire pump duty and installed per NFPA-20. Fire Pump motors are not recommended for use with variable frequency drives.


  • UL File EX5190, CSA File LR2025 and CE Mark
  • Ball bearings
  • 1.15 Service Factor
  • Red paint exterior
  • NEMA Design B, Code G or less
  • Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
  • Will accept C-Face kits
  • Efficiency levels meet EISA requirements
450HP MARATHON 3600RPM 5011L 400V TEFC 3PH MOTOR Y1851
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Manufacturer Part Number: Y1851
Stock # Y1851

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