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 »
 
 
W603-MARATHON-Dealers Industrial
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W603-MARATHON-Dealers Industrial W603-MARATHON-Dealers Industrial W603-MARATHON-Dealers Industrial W603-MARATHON-Dealers Industrial  
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100 HP, 900 RPM, 460 Volts, 3 PH, TEFC, 445T, IEEE 841, MARATHON, W603

Model #: W603  
W603
 
Stock:  1
HP : 100
RPM : 900
Enclosure : TEFC
Frame : 445T
Frame Number : 445
Frame Remarks : IEEE 841
mounting : Rigid base
Frame Suffix : T
Volts : 460
Phase : 3
Manufacturer : Marathon Electric
Item Condition : New Surplus
Category : Electric Motor
Weight:  2500 lbs
Our Price:
$12,916.00
Qty: 
 
 
  • Model #: 445THFN9106
  • Output: 100 HP
  • RPM: 900
  • Voltage: 460V @ 60Hz)
  • Full Load Amps: 142 A
  • Enclosure: TEFC (Totally Enclosed Fan Cooled)
  • Frame: 445T
  • Mounting: Rigid base
  • Service Factor: 1.15
  • Power Factor: 70.0
  • NEMA Design: B
  • Efficiency: 94.1 (NEMA PREMIUM)
  • Bearings: 6318 / 6316
  • Shaft dimensions (dia x len): 3-3/8" x 8-1/2"
  • Made in U.S.A.
  • New Surplus with 90 day Dealers Industrial warranty
  • Internal and external epoxy finish
  • Blue Chip quality with 100% cast iron construction for rigidity and reduced vibration
  • Inpro/SealVBX bearing isolators on both ends
  • Inverter duty: 10:1 VT, 2:1 CT @ 1.0 SF
  • Complies to Ford EM-1
  • Complies to GM-7E-TA
  • IEEE841
  • USCG Marine Duty per IEEE45
  • Leads: 3
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