General Purpose Low Voltage NEMA® Motors Marathon 20 HP General Purpose Motor, 3 phase, 1800 RPM, 575 V, 256T Frame, TEFC

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  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007

  • C-Face Footed models are rated 60/50 Hz, same HP

  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power

  • F1 conduit box on Rigid Base, F3 on C-Face Footed (Rigid Base) motors

Marathon 20 HP General Purpose Motor, 3 phase, 1800 RPM, 575 V, 256T Frame, TEFC Specifications:

  • Frequency (Hz)
    60
  • Service Factor
    1.15
  • Duty
    Continuous
  • Frame
    256T
  • Thermal Protection
    No
  • UL
    Recognized
  • CE
    Y
  • Power (kW)
    14.9
  • Voltage (V)
    575
  • Min speed (rpm)
    1775
  • Max Speed (rpm)
    1775
  • phase
    3
  • Insulation Class
    F
  • Enclosure style
    Totally Enclosed Fan Cooled
  • Ambient Temperature (C)
    40
  • CSA
    Y
  • Electrical Type
    Squirrel Cage Inverter Rated
  • Poles
    4
  • Mounting
    Rigid Base
  • OPP Drive and Bearing
    Ball
  • Shaft Type
    T
  • Frame Length (in.)
    13.75
  • Shaft Extension (in.)
    4.38
  • Starting System
    Line Or Inverter
  • Rotation
    Reversible
  • Drive End Bearing
    Ball
  • Frame Material
    Aluminum
  • Length (in)
    25.26
  • Shaft Diameter (in.)
    1.625
  • Min. Current (A)
    19.3
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Marathon Motors
Manufacture

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