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256TTFNA16574AA

LEESON ELECTRIC
256TTFNA16574AA

Air Handling (HVAC) Motor - 20 hp, 1800 rpm, 3 ph, 230/460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 50/60 Hz, 1775 rpm Base, Rigid Base Mount, Continuous Duty
Mi Item #04739037
MFR #256TTFNA16574AA
Quote Required
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LEESON ELECTRIC 256TTFNA16574AA
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LEESON ELECTRIC
256TTFNA16574AA

Air Handling (HVAC) Motor - 20 hp, 1800 rpm, 3 ph, 230/460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 50/60 Hz, 1775 rpm Base, Rigid Base Mount, Continuous Duty
Mi Item #04739037
MFR #256TTFNA16574AA
Mfr description
20HP 1800RPM U872A TEFC 230/460V 256T
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration Internal and external epoxy paint Class F insulation Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower Extended grease tubes, Regreasable in service T-drains provided for effective drainage (Installed in both endshields Suitable for shaft down mounting Shaft Slinger Forsheda seals on both ends Actual test and vibration data supplied with each motor
In StockFactory Order
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Quote Required

LEESON ELECTRIC
256TTFNA16574AA

Air Handling (HVAC) Motor - 20 hp, 1800 rpm, 3 ph, 230/460 V, 256T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 50/60 Hz, 1775 rpm Base, Rigid Base Mount, Continuous Duty
Quote Required

Specifications

Dimensions

  • Frame Size
    256T
  • Overall Length C Dimension
    25.40 in
  • Service Factor
    1.15
  • Shaft Diameter
    1.6250 in
  • Weight
    382 lbs

Details

  • 2D Drawing
    Click here
  • Applications
    Wet Environment
  • Base RPM
    1775 rpm
  • Description Keyword
    20 hp
  • Duty Condition Type
    Continuous Duty
  • Enclosure Type
    TEFC (Totally Enclosed Fan Cooled)
  • Frame Material
    Cast Iron
  • Frequency Rating
    50/60 Hz
  • Full Load Current
    48.0/24.1 A
  • Full Load Efficiency
    93 %
  • Insulation Class
    F
  • IP Rating
    55
  • Manufacturer Product Page
    Click here
  • Manufacturer Upc Number
    722856018847
  • Motor Category
    Air Handling (HVAC) Motors
  • Motor Horsepower
    20 hp
  • Motor Phase
    3 ph
  • Motor Poles
    4
  • Motor Supply Voltage
    230/460 V
  • Mounting Type
    Rigid Base
  • Product Type
    Air Handling (HVAC) Motors
  • Standards Met
    CE, CSA, UL
  • Synchronous Rpm
    1800 rpm
  • Thermal Protection
    No
  • UPC_NO
    722856018847
  • Wiring Diagram
    Click here
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