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256THFNA9101AC

MARATHON ELECTRIC
256THFNA9101AC

Severe Duty Motor - 7-1/2 hp, 900 rpm, 3 ph, 460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 60 Hz, 875 rpm Base, Rigid Base Mount, Continuous Duty
MI ITEM #04740061
MFR #256THFNA9101AC
Quote Required
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MARATHON ELECTRIC 256THFNA9101AC
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MARATHON ELECTRIC
256THFNA9101AC

Severe Duty Motor - 7-1/2 hp, 900 rpm, 3 ph, 460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 60 Hz, 875 rpm Base, Rigid Base Mount, Continuous Duty
MI ITEM #04740061
MFR #256THFNA9101AC
Mfr description
7-1/2HP 900RPM W536 TEFC 460V 256T 3PH
  • Meets or exceeds NEMA Premium® efficiencies, except where noted
  • NEMA Premium® models are in compliance with EISA2007
  • Meets IEEE-841 standard for severe-duty applications
In Stock
Factory Order
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Shipping time may vary. Motion rep will advise.
This product requires a Quote Request and may take longer to process and ship
Quote Required

MARATHON ELECTRIC
256THFNA9101AC

Severe Duty Motor - 7-1/2 hp, 900 rpm, 3 ph, 460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 60 Hz, 875 rpm Base, Rigid Base Mount, Continuous Duty
Quote Required

Specifications

Dimensions

  • Drive End Bearing Size
    6309
  • Frame Size
    256T
  • Motor Length Less Shaft
    12.25 in
  • Opposite Drive End Bearing Size
    Ball
  • Overall Length C Dimension
    25.40
  • Service Factor
    1.15
  • Shaft Diameter
    1.6250 in
  • Weight
    340 lbs

Details

  • 2D Drawing
    Click here
  • Ambient Temperature Range
    40 °C
  • Assembly Box Mounting
    F1/F2 Capable
  • Base RPM
    875 rpm
  • Description Keyword
    7.50 hp
  • Drive End Bearing
    Ball
  • Duty Condition Type
    Continuous Duty
  • Electrical Type
    Squirrel Cage Inverter Rated
  • Enclosure Type
    TEFC (Totally Enclosed Fan Cooled)
  • Features
    Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007 Meets IEEE-841 standard for severe duty applications C-face addition may result in non-NEMA "BA" dim. For new "BA" dim consult chart found in modification section Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration Inpro/Seal® VBX® bearing isolators on drive end shaft extension TENV and on both ends of TEFC Provisions to add stub shaft for an encoder (182T-449T, TEFC only) Internal and external epoxy finish MAX GUARD® Class F insulation system Constant Torque speed range is listed in CT SPEED RANGE column
  • Frame Material
    Cast Iron
  • Frequency Rating
    60 Hz
  • Full Load Amps
    11.0 A
  • Full Load Efficiency
    88.5 %
  • Insulation Class
    F
  • IP Rating
    56
  • KVA Code
    F
  • kW
    5.60 kW
  • Manufacturer Product Page
    Click here
  • Manufacturer Upc Number
    722856021113
  • Motor Category
    Severe Duty Motors
  • Motor Horsepower
    7-1/2 hp
  • Motor Orientation
    Horizontal
  • Motor Phase
    3 ph
  • Motor Poles
    8
  • Motor Supply Voltage
    460 V
  • Mounting Type
    Rigid Base
  • NEMA Design Class
    B
  • Opposite Drive End Bearing Type
    6210
  • Product Type
    Severe Duty Motors
  • Shaft Rotation
    Reversible
  • Shaft Type
    T
  • Standards Met
    CE, CSA, UL
  • Starting Method
    Line Or Inverter
  • Synchronous Rpm
    900 rpm
  • Thermal Protection
    No
  • Wiring Diagram
    Click here

Compliance & Safety Data

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