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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505UTDS16076-Marathon-Dealers Industrial    505UTDS16076
200 HP, 1200 RPM, 460 Volts, 3 PH, ODP, 505PV, Marathon, 505UTDS16076
$30,973.21
Out of Stock
505UTDS16101-Marathon-Dealers Industrial    505UTDS16101
200 HP, 900 RPM, 460 Volts, 3 PH, ODP, 505PV, Marathon, 505UTDS16101
$32,597.64
Out of Stock
505UTDS16102-Marathon-Dealers Industrial    505UTDS16102
125 HP, 900 RPM, 460 Volts, 3 PH, ODP, 505PV, Marathon, 505UTDS16102
$23,369.43
Out of Stock
505UTDS16103-Marathon-Dealers Industrial    505UTDS16103
150 HP, 900 RPM, 460 Volts, 3 PH, ODP, 505PV, Marathon, 505UTDS16103
$28,967.21
Out of Stock
508UTDS16078-Marathon-Dealers Industrial    508UTDS16078
250 HP, 1200 RPM, 460 Volts, 3 PH, ODP, 508PV, Marathon, 508UTDS16078
$33,031.10
Out of Stock
5K33GN2-Marathon-Dealers Industrial    5K33GN2
0.25 HP, 1800 RPM, 208/230/460 Volts, 3 PH, ODP, 48, Marathon, 5K33GN2
$193.81
Out of Stock
5K35FN101-Marathon-Dealers Industrial    5K35FN101
0.33 HP, 3600 RPM, 208/230/460 Volts, 3 PH, ODP, 56J, FOOTLESS, Marathon, 5K35FN101
$164.32
Out of Stock
5K35JN46-Marathon-Dealers Industrial    5K35JN46
0.5 HP, 3600 RPM, 200/230/460 Volts, 3 PH, TEFC, 56C, Marathon, 5K35JN46
$226.63
Out of Stock
5K36MN340-Marathon-Dealers Industrial    5K36MN340
0.75 HP, 3600 RPM, 200/230/460 Volts, 3 PH, TEFC, 56C, Marathon, 5K36MN340
$269.56
Out of Stock
5K36MN4135-Marathon-Dealers Industrial    5K36MN4135
0.75 HP, 3600 RPM, 200/230/460 Volts, 3 PH, TEFC, 56J, FOOTLESS, Marathon, 5K36MN4135
$342.17
Out of Stock
5K42FN2048-Marathon-Dealers Industrial    5K42FN2048
0.5 HP, 3600 RPM, 208/230/460 Volts, 3 PH, TEFC, 56C, FOOTED, Marathon, 5K42FN2048
$240.52
Out of Stock
445TTFN14571-Marathon-Dealers Industrial    445TTFN14571
150 HP, 1800 RPM, 460 Volts, 3 PH, TEFC, 445T, Marathon, 445TTFN14571
$19,130.58
Out of Stock
445TTFN16001-Marathon-Dealers Industrial    445TTFN16001
150 HP, 3600 RPM, 460 Volts, 3 PH, TEFC, 445HPV, Marathon, 445TTFN16001
$32,275.18
Out of Stock
056S34D93-Marathon-Dealers Industrial    056S34D93
0.33 HP, 3600 RPM, 115 Volts, 1 PH, ODP, 56C, FOOTLESS, Marathon, 056S34D93
$121.00
Out of Stock
056S84DRS40001A1-Marathon-Dealers Industrial    056S84DRS40001A1
0.33/0.07 HP, 1725/850 RPM, 115 Volts, 1 PH, ODP, 56Z, DOUBLE SPEED, RESILIENT, Marathon, 056S84DRS40001A1
$408.03
056T11D5209-Marathon-Dealers Industrial    056T11D5209
1 HP, 1200 RPM, 200/230/460 Volts, 3 PH, ODP Air Over, 56, Marathon, 056T11D5209
$550.88
056T11F15531-Marathon-Dealers Industrial    056T11F15531
0.75 HP, 1200 RPM, 208/230/460 Volts, 3 PH, TEFC, 56C, FOOTED, Marathon, 056T11F15531
$973.45
Out of Stock
056T11F15532-Marathon-Dealers Industrial    056T11F15532
0.33 HP, 1200 RPM, 208/230/460 Volts, 3 PH, TEFC, 56C, FOOTED, Marathon, 056T11F15532
$635.25
Out of Stock
056T11F15533-Marathon-Dealers Industrial    056T11F15533
0.50 HP, 1200 RPM, 208/230/460 Volts, 3 PH, TEFC, 56C, FOOTED, Marathon, 056T11F15533
$913.00
056T11F15534-Marathon-Dealers Industrial    056T11F15534
0.75 HP, 1200 RPM, 208/230/460 Volts, 3 PH, TEFC, 56C, FOOTED, Marathon, 056T11F15534
$1,090.72

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