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Home > Electric Motors > Discontinued Electric Motors > MARATHON Discontinued AC Motors > 20HP MARATHON 1800RPM 256JM DP 230/460V 3PH MOTOR E197

20HP MARATHON 1800RPM 256JM DP 230/460V 3PH MOTOR E197

Catalog Number: E197
Model Number: 256TTDX4075
Description: 20HP,1800RPM,256JM,230/460V,DP,3PH,60/50HZ
Ship Weight:  233 lbs.

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

APPLICATIONS: Close-coupled pumps where the pump impeller is mounted directly on the
motor shaft in environments that are relatively clean and dry.


  • C-Face Footed (Rigid Base)
  • NEMA JM pump shaft dimensions
  • JM frame has rigid base
  • Ball bearings, mechanically locked on shaft end
  • Continuous duty
  • Drip Cover not included
  • 1.15 Service Factor
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • UL Recognized and CSA Certified
  • UL Listed for Fire Pump applications
  • Efficiency levels meet EISA requirements
  • Footnote: 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
Enclosure DP Ambient 40
Mounting C-Face Rigid NEMA Design B
Orientation HORIZONTAL Starting Type ACROSS THE LINE
Assembly F1 (F2 Modification Available) KVA Code H
Drive End Bearing BALL IP Code 12
Opposite End Bearing BALL    
Drive End Bearing Size 6309    
Opposite End Bearing Size 6208    
Weight 233 LB lbs    
UL Recognized Construction
Thermal Protection  
20HP MARATHON 1800RPM 256JM DP 230/460V 3PH MOTOR E197
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Image for quick reference only
Manufacturer Part Number: E197
Stock # E197

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