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    5K48TN2182
3 HP, 3450 RPM, 208-230/460 Volts, DP, 56C, N/R, Marathon, K226
$542.97
Out of Stock
056T34D15596-Marathon-Dealers Industrial    056T34D15596
3 HP, 3600 RPM, 230/460 Volts, ODP, 56H, -, Marathon, K048A
$522.72
Dealers Electric-Marathon    056T34D5340
3 HP, 3600 RPM, 208-230/460 Volts, DP, 56H, Rigid, Marathon, K048
$493.08
Out of Stock
Dealers Electric-Marathon    056T34D5371
3 HP, 3600 RPM, 208-230/460 Volts, DP, 56HJ, C-Face Rigid, Marathon, J053
$414.36
Out of Stock
Dealers Electric-Marathon    056T34D5357
3 HP, 3600 RPM, 208-230/460 Volts, DP, 56HZ, Resilient Base, Marathon, B193
$447.91
Out of Stock
Dealers Electric-Marathon    5K48TN2181
3 HP, 3450 RPM, 208-230/460 Volts, DP, 56J, N/R, Marathon, K227
$461.25
Out of Stock
Dealers Electric-Marathon    145TTWR16002
3 HP, 3600 RPM, 230/460 Volts, TEFC, 145T, Rigid, Marathon, N324
$1,291.65
Out of Stock
145TTFR16105-Marathon-Dealers Industrial    145TTFR16105
3 HP, 3600 RPM, 230/460 Volts, TEFC, 145TC, Footless, Marathon, C236B
$608.47
Dealers Electric-Marathon    145TTWD16002
3 HP, 3600 RPM, 230/460 Volts, TEFC, 145TC, C-Face Rigid, Marathon, N444
$1,584.88
Out of Stock
Dealers Electric-Marathon    145TTWR16005
3 HP, 3600 RPM, 230/460 Volts, TEFC, 145TC, C-Face Footless, Marathon, N655B
$1,252.14
Out of Stock
Dealers Electric-Marathon    145TTWR5301
3 HP, 3600 RPM, 208-230/460 Volts, TEFC, 145TC, C-Face Footless, Marathon, N655
$976.43
Out of Stock
Dealers Electric-Marathon    145TTWR6001
3 HP, 3600 RPM, 230/460 Volts, TEFC, 145TC, C-Face Rigid, Marathon, N613A
$1,337.55
Out of Stock
Dealers Electric-Marathon    182TTFB6006
3 HP, 3600 RPM, 230/460 Volts, TEFC, 182JM, C-Face Rigid, Marathon, GT3109
$761.60
Out of Stock
Dealers Electric-Marathon    182TTFB6008
3 HP, 3600 RPM, 575 Volts, TEFC, 182JM, C-Face Rigid, Marathon, GT3209
$979.72
Out of Stock
Dealers Electric-Marathon    182TTFB6012
3 HP, 3600 RPM, 230/460 Volts, TEFC, 182JP, C-Face Rigid, Marathon, GT3409
$764.14
Out of Stock
Dealers Electric-Marathon    182TTFC6001
3 HP, 3600 RPM, 230/460 Volts, TEFC, 182T, Rigid, Marathon, GT1009
$567.26
Out of Stock
Dealers Electric-Marathon    182TTFC6005
3 HP, 3600 RPM, 575 Volts, TEFC, 182T, Rigid, Marathon, GT1109
$772.28
Out of Stock
Dealers Electric-Marathon    182TTFS6501
3 HP, 3600 RPM, 230/460 Volts, TEFC, 182T, Rigid, Marathon, E390
$941.70
Out of Stock
Dealers Electric-Marathon    182TTFS6505
3 HP, 3600 RPM, 575 Volts, TEFC, 182T, Rigid, Marathon, E392
$1,046.06
Out of Stock
Dealers Electric-Marathon    182TTFW16001
3 HP, 3600 RPM, 230/460 Volts, TEFC, 182T, Rigid, Marathon, E2109
$803.39
Out of Stock

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