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 »
 
 
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Since 1913, Marathon Electric has been dedicated to providing customers with quality products for targeted applications. Located in Wausau, Wisconsin, the company delivers efficient mechanical power solutions using AC electric motors up to 1250 HP.
 

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Dealers Electric-Marathon    145TTGR16080
1 HP, 1200 RPM, 575 Volts, EPFC, 145T, Rigid, Marathon, I505
$1,325.31
Out of Stock
056T11G15528-Marathon-Dealers Industrial    056T11G15528
1 HP, 1200 RPM, 230/460 Volts, XPFC, 56H, Class I and II, Groups C, D, E , F, G, Marathon, K2110A
$1,967.76
Dealers Electric-Marathon    5K49TN6383
1 HP, 1200 RPM, 230/460 Volts, EPFC, 56H, Rigid, Marathon, K2110
$1,071.12
Out of Stock
Dealers Electric-Marathon    143TTDR6030
1 HP, 1800 RPM, 230/460 Volts, DP, 143JM, C-Face Rigid, Marathon, GT0401
$563.70
Dealers Electric-Marathon    143TTDR6031
1 HP, 1800 RPM, 575 Volts, DP, 143JM, C-Face Rigid, Marathon, GT0501
$380.88
Out of Stock
Dealers Electric-Marathon    143TTDR16039
1 HP, 1800 RPM, 575 Volts, DP, 143JMV, C-Face Footless, Marathon, GT4201
$380.88
Out of Stock
Dealers Electric-Marathon    143TTDR16042
1 HP, 1800 RPM, 200 Volts, DP, 143JMV, C-Face Footless, Marathon, GT4001
$380.88
Dealers Electric-Marathon    143TTDR16043
1 HP, 1800 RPM, 200 Volts, DP, 143JMV, C-Face Rigid, Marathon, GT2001
$380.88
Dealers Electric-Marathon    143TTDR16047
1 HP, 1800 RPM, 208-230/460 Volts, DP, 143JMV, C-Face Footless, Marathon, GT4101
$563.70
Dealers Electric-Marathon    143TTDR16040
1 HP, 1800 RPM, 575 Volts, DP, 143JP, C-Face Rigid, Marathon, GT2501
$380.88
Out of Stock
Dealers Electric-Marathon    143TTDR16048
1 HP, 1800 RPM, 230/460 Volts, DP, 143JP, C-Face Rigid, Marathon, GT2401
$569.98
Out of Stock
Dealers Electric-Marathon    143TTDR16041
1 HP, 1800 RPM, 575 Volts, DP, 143JPV, C-Face Footless, Marathon, GT4501
$385.12
Out of Stock
Dealers Electric-Marathon    143TTDR16044
1 HP, 1800 RPM, 200 Volts, DP, 143JPV, C-Face Rigid, Marathon, GT2301
$380.88
Out of Stock
Dealers Electric-Marathon    143TTDR16045
1 HP, 1800 RPM, 200 Volts, DP, 143JPV, C-Face Footless, Marathon, GT4301
$380.88
Out of Stock
Dealers Electric-Marathon    143TTDR16049
1 HP, 1800 RPM, 230/460 Volts, DP, 143JPV, C-Face Footless, Marathon, GT4401
$569.98
Out of Stock
Dealers Electric-Marathon    143TTDR16036
1 HP, 1800 RPM, 575 Volts, DP, 143T, Rigid, Marathon, U922A
$671.35
Out of Stock
Dealers Electric-Marathon    143TTDR16037
1 HP, 1800 RPM, 575 Volts, DP, 143T, Rigid, Marathon, E912A
$630.34
Dealers Electric-Marathon    143TTDR16052
1 HP, 1800 RPM, 230/460 Volts, DP, 143T, Rigid, Marathon, U758-P
$713.78
Out of Stock
143TTDR16056-Marathon-Dealers Industrial    143TTDR16056
1 HP, 1800 RPM, 200 Volts, ODP, 143T, -, Marathon, E901A
$630.34
Dealers Electric-Marathon    143TTDR6027
1 HP, 1800 RPM, 230/460 Volts, DP, 143T, Rigid, Marathon, U758
$630.34

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