Need Help? Call (302) 653-1844

Home > Electric Motors > Discontinued Electric Motors > MARATHON Discontinued AC Motors > 250HP MARATHON 1800RPM 445T 460V DP 3PH MOTOR E745

250HP MARATHON 1800RPM 445T 460V DP 3PH MOTOR E745

Catalog Number:  E745
Model Number: 445TTDS4037
Description:  250HP,1800RPM,445T,460V,DP,3PH,60HZ
Ship Weight:  1561 lbs.

This Marathon motor is a Build To Order product and factory lead times are approximately 3-8 weeks after receipt of order. For exact lead times or other interchangeable products please contact our sales team for particulars.

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.

APPLICATIONS: General purpose with continuous duty rating. Standard operating characteristics and mechanical construction for use under usual service conditions without restriction to a particular application or type. Not for outdoor use.


  • Cast Iron frame
  • Rigid base
  • Dripproof
  • 3 3/8" shaft diameter
  • Ball bearings
  • 1.15 Service Factor
  • Accepts C-face kit catalog number A228
  • Part Winding Start Capability
  • Roller Bearing on shaft end for belted load only
  • Efficiency levels meet EISA requirements
  • UL Recognized and CSA Certified
  • Footnotes: PW,RB

Phase 3 Insulation Class B
Frame 445T Duty CONTINUOUS
Enclosure DP Ambient 40
Mounting Rigid NEMA Design B
Assembly F1 (F2 Modification Available) KVA Code F
Drive End Bearing ROLLER IP Code 12
Opposite End Bearing BALL    
Drive End Bearing Size NU318    
Opposite End Bearing Size 6316    
Weight 1561 LB lbs    
UL Recognized Construction
Thermal Protection  
250HP MARATHON 1800RPM 445T 460V DP 3PH MOTOR E745
Click Image to Enlarge
Image for quick reference only
Manufacturer Part Number: E745
Stock # E745

Product Reviews

There are currently no customer reviews for this product.

Be the first to write a review!
We value your opinion. Please take a moment and share what you like or don't like about a product.

Write a review now

Subscribe to Our Newsletter to Receive Updates