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30HP MARATHON 1800RPM 286T 230/460V TEFC 3PH MOTOR U874A

Catalog Number:  U874A
Model Number:  286TTFNA16572
Description:  30HP,1800RPM,286T,230/460V,TEFC,3PH,60/50HZ
Design: Single-Speed
Ship Weight:  487 lbs.

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

APPLICATIONS: Designed for cooling towers, fans and blowers, and other severe duty environments and applications that demand long life, ultra-high efficiency, dependability, and corrosion protection for long motor life.


  • No overload protection
  • Single speed
  • Cast iron frame
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Inverter Duty and IP55 rated
  • Internal and external epoxy paint
  • Class F insulation
  • 1.15 Service Factor
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • Extended grease tubes, regreasable in service
  • T-drains provided for effective drainage (Installed in both endshields)
  • Suitable for shaft down mounting
  • Shaft Slinger
  • Forsheda seals on both ends
  • Ball Bearings
  • Actual test and vibration data supplied with each motor
  • Constant torque speed range 10:1
  • UL Recognized, CSA Certified, and has efficiency levels that meet EISA requirements
  • Two year warranty

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 286T Duty CONTINUOUS
Enclosure TEFC Ambient 40
Mounting Rigid NEMA Design B
Assembly F1 (F2 Modification Available) KVA Code G
Drive End Bearing BALL IP Code 55
Opposite End Bearing BALL    
Drive End Bearing Size 6311    
Opposite End Bearing Size 6210    
Weight 487 LB lbs Inverter Speed Range CONSTANT 10:1
UL Recognized Construction
Thermal Protection  
30HP MARATHON 1800RPM 286T 230/460V TEFC 3PH MOTOR U874A
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Manufacturer Part Number: U874A
Stock # U874A
Price: $2,402.00
Compare At: $5,532.00

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