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 »
G581-Marathon-Dealers Industrial
View Larger
G581-Marathon-Dealers Industrial G581-Marathon-Dealers Industrial G581-Marathon-Dealers Industrial G581-Marathon-Dealers Industrial  
0 Star Rating
 (Be the first to Write a Review)

0.5 HP, 1800 RPM, 208/230/460 Volts, 3 PH, TEFC, 56C, Removable base, Marathon, G581

Model #: G581  
Stock:  62
HP : 0.5
RPM : 1800
Enclosure : TEFC
Frame : 56C
Frame Remarks : Removable base
mounting : C-Face w/ removable base
Volts : 208/230/460
Phase : 3
Manufacturer : Marathon Electric
Item Condition : New Surplus
Category : Electric Motor
Weight:  35 lbs
Our Price:
Quantity 3 - 10 11+
 Price $125.00

General Purpose Motor

  • Model #: 56T17F5321
  • Output: 0.5 HP
  • RPM: 1800
  • Voltage: 208/230/460V @ 60Hz)
  • Full Load Amps: 2.4-2.5/1.25 A
  • Enclosure: TEFC (Totally Enclosed Fan Cooled)
  • Frame: 56C
  • Mounting: C-Face w/ removable base
  • Service Factor: 1.15
  • Power Factor: 53.0
  • NEMA Design: B
  • Efficiency: 72.0
  • Bearings: 6203 / 6203
  • Shaft dimensions (dia x len): 5/8" x 1-7/8"
  • New Surplus with 90 day Dealers Industrial warranty
  • Bolt-on removable rigid base for footless mounting option
  • CR200 Corona resistant magnet wire
  • Mechanically locked on shaft end
  • Class F insulation
  • Suitable for horizontal and vertical mounting
  • F1 mounting only cannot reassemble to F2
  • Rated 60/50 hertz 190/380 or 380 volt at next lower horsepower
 Average Rating:  0 Star Rating
Write a Review