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3/4HP MARATHON 1200RPM 143T 208-230/460V TEFC 3PH MOTOR H457

Catalog Number:  H457
Model Number:  143TTFN8076
Description:  3/4HP,1200RPM,143T,208-230/460V,TEFC,3PH,60/50HZ
Ship Weight:  46 lbs.

APPLICATIONS: Blue Chip General Purpose use on pumps, fans, blowers, compressors, conveyors, and other industrial machinery installed in damp, dusty, or dirty environments. Additionally, cast iron frame motors may be suitable for the process industries.


  • Rigid base
  • Totally enclosed fan-cooled
  • Cast iron frame construction
  • 7/8" shaft output diameter
  • 1.15 Service Factor
  • Accepts C-Face kit A603
  • Shaft slinger, regreasable bearings (182T and larger), lead lugs (364T and larger), and bearing caps on 444T and larger
  • Ball Bearings
  • 2:1 Constant speed range
  • UL Recognized and CSA Certified
  • Efficiency levels meet EISA requirements
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • Two year warranty
  • Footnotes: 68

This product must be installed and serviced by a qualified technician, electrician, or electrical maintenance person familiar with its operation and the hazards involved. Proper installation, which includes electrical connections, fusing or other current protection, and grounding, can reduce the chance of electrical shocks, and fires, in this product or products used with this product, such as electric motors, switches, coils, solenoids, and relays. Do not use this product in an explosion-proof application.

Phase 3 Insulation Class B
Frame 143T Duty CONTINUOUS
Enclosure TEFC Ambient 40
Mounting Rigid NEMA Design B
Orientation HORIZONTAL Starting Type ACROSS THE LINE
Assembly F1 (F2 Modification Available) KVA Code K
Drive End Bearing BALL IP Code 43
Opposite End Bearing BALL    
Drive End Bearing Size 6205    
Opposite End Bearing Size 6203    
Weight 46 LB lbs    
UL Recognized Construction
Thermal Protection  
3/4HP MARATHON 1200RPM 143T 208-230/460V TEFC 3PH MOTOR H457
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Manufacturer Part Number: H457
Stock # H457
Price: $264.00
Compare At: $607.00

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