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20HP MARATHON 1800RPM 256T 208-230/460V TEFC 3PH MOTOR GT1025

Catalog Number:  GT1025
Model Number:  256TTFCA6026
Description:  20HP,1800RPM,256T,208-230/460V,TEFC,3PH,60/50HZ
Ship Weight:  374 lbs.

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

APPLICATIONS: General purpose Globetrotter NEMA Premium Efficiency used on compressors, pumps, conveyors, blowers, and other machinery in environments that are relatively clean and dry. Substantial energy savings can be realized when using these high efficiency motors. Guaranteed efficiencies offer an eXtra Return on your Investment when using these premium efficiency motors on high cycle or long run time applications.


  • Cast iron frame
  • Rigid base
  • Totally enclosed fan-cooled
  • 1 5/8" shaft output diameter
  • Accepts C-Face kit catalog number A173
  • Addition of C-Face Kits may result in non-NEMA “BA”, dimension
  • Meets or exceeds NEMA Premium® efficiencies
  • NEMA Premium® models are in compliance with EISA2007
  • Cast Iron frame design
  • Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque, 1.0 SF
  • 1.15 Service Factor
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • UL Recognized, CSA Certified, CE Mark
  • Three year warranty
  • Footnotes: 75

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 F
Frame 256T 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 G
Drive End Bearing BALL IP Code 43
Opposite End Bearing BALL    
Drive End Bearing Size 6309    
Opposite End Bearing Size 6209    
Weight 374 LB lbs    
UL Recognized Construction
Thermal Protection
20HP MARATHON 1800RPM 256T 208-230/460V TEFC 3PH MOTOR GT1025
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Manufacturer Part Number: GT1025
Stock # GT1025
Price: $1,358.00
Compare At: $2,189.00

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