What is a Variable Frequency Drive?
A variable frequency drive is an electronic device that allows you to start, stop, and control the speed of a three phase motor. It is also a motor starter as it is equipped with overload protection. Read more »
What is the difference between a 'new surplus' motor and a 'factory new' motor?
Our New Surplus electric motors and drives are new and unused overstock or discontinued items offered at lower prices and come with our 90-day warranty.

Factory New products are competitively priced and come with a manufacturers warranty.
Variable frequency drives (VFDs or inverters) now play an important part in major industry.
Within the last 10 years they have been perfected to control and vary the speed of 3 phase electric motors. They serve many purposes, besides speed control. Homeowners and hobbyist alike, who have lathes or milling machines with a 3 phase motor, usually don't have 3 phase power to operate. These VFDs (instead of using a rotary phase converter) can now be used to convert single phase power to 3 phase power. Read more »
 
 
256TTFL4006-Marathon-Dealers Industrial
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20 HP, 3600 RPM, 230/460 Volts, 3 PH, TEFC, 256JM, FOOTED, Marathon, 256TTFL4006

Model #: 256TTFL4006  
256TTFL4006
 
Stock:  Backordered
HP : 20
RPM : 3600
Enclosure : TEFC
Frame : 256JM
Frame Remarks : FOOTED
mounting : C-face w/ rigid base
Volts : 230/460
Phase : 3
Manufacturer : Marathon Electric
Item Condition : FACTORY NEW
Category : Electric Motor
Weight:  232 lbs
Our Price:
$1,711.86
 
 
Out of Stock

Marathon 20 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 230/460 V, 256JM Frame, TEFC - U351

Features

  • NEMA JM pump shaft dimensions
  • Ball bearings, mechanically locked on shaft end
  • Continuous duty
  • 1.15 Service Factor (except as noted)
  • UL Recognized and CSA Certified

Specifications

  • Model #: U351
  • Output: 20 HP
  • RPM: 3600
  • Voltage: 230/460V @ 60Hz)
  • Full Load Amps: 47.0/23.5 A
  • Enclosure: TEFC (Totally Enclosed Fan Cooled)
  • Frame: 256JM
  • Mounting: C-face w/ rigid base
  • Service Factor: 1.15
  • Power Factor: 87.5
  • NEMA Design: B
  • Efficiency: 90.2 (EPACT)
  • Bearings: 6309 / 6207
  • Shaft dimensions (dia x len): x 5.28"
  • Factory New with manufacturer's warranty
  • IP Code: 43
  • Electrical Type: Squirrel Cage Induction Run
  • Starting Method: Across The Line
  • Mounting: F1/F2 Capable
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