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Home > Electric Motors > Discontinued Electric Motors > MARATHON Discontinued AC Motors > 250HP MARATHON 1800RPM 447/9T 460V EPFC 3PH MOTOR H502

250HP MARATHON 1800RPM 447/9T 460V EPFC 3PH MOTOR H502

Catalog Number:  H502
Model Number:  449TTGS7068
Description:  250HP,1800RPM,447/9T,460V,EPFC,3PH,60/50HZ
Design: Division 1 Class I and II, Groups C, D, F & G
Ship Weight:  2779 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 Marathon Motor Can Only Ship Ground Freight
For expedited needs please contact our sales team

APPLICATIONS: Designed and approved for application in hazardous environments having certain explosive gases or materials present.

FEATURES:

  • Meets NEMA Premium® efficiencies
  • 10:1 Variable torque
  • MAX GUARD® Class F insulation
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external surfaces treated with epoxy paint
  • 1.15 Service Factor on sinewave or 1.0 Service Factor on IBGT power
  • Precision balanced to .08”/sec.
  • Extended grease tubes
  • Normally closed thermostats (must be connected to control circuit)
  • Meets temperature code T3B
  • Shaft slinger
  • Ball Bearings
  • Roller Bearing on shaft end for belted load only
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • 1.0 Service Factor
  • 10:1 Constant Torque available as build-up, RTM for price and
    availability
  • UL Listed File No. E12044
  • CSA Certified File No. LR47504
  • Three year warranty
  • Division 1, Class I and II, Groups C, D, F & G
  • Footnotes: RB, 17, 68, 87

Phase 3 Insulation Class F
Frame 447/449T Duty CONTINUOUS
Enclosure EPFC Ambient 40
Mounting Rigid NEMA Design B
Orientation HORIZONTAL Starting Type PWS & YDRUN OR INV
Assembly F1 ONLY KVA Code F
Drive End Bearing ROLLER IP Code 54
Opposite End Bearing BALL    
Drive End Bearing Size NU319    
Opposite End Bearing Size 6318 Hazardous Location EXP PROOF CL I GR C&D CL II GR F&G T3B
Weight 2779 LB lbs Inverter Speed Range CONSTANT 2:1
CE N CSA N
UL UL Listed
Thermal Protection Thermostats (Normally Closed)
250HP MARATHON 1800RPM 447/9T 460V EPFC 3PH MOTOR H502
Click Image to Enlarge
Image for quick reference only
Manufacturer Part Number: H502
Stock # H502

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