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    5KH49PN3045
0.5 HP, 1725/1140 RPM, 230 Volts, DP, 56, RB, Marathon, H275
$399.78
056B17D11029-Marathon-Dealers Industrial    056B17D11029
0.5 HP, 1800 RPM, 100-120/200-240 Volts, ODP, 56C, Footed, Cap Start/Run, Marathon, E261A
$362.56
Dealers Electric-Marathon    056C17D2044
0.5 HP, 1800 RPM, 115/208-230 Volts, DP, 56C, C-Face Footless, Marathon, G234
$324.70
Out of Stock
Dealers Electric-Marathon    5KC49GN0009X
0.5 HP, 1725 RPM, 115/230 Volts, DP, 56C, N/R, Marathon, C359
$405.00
Out of Stock
Dealers Electric-Marathon    5KH36MN137
0.5 HP, 1725 RPM, 115 Volts, DP, 56CZ, N/R, Marathon, H290
$270.60
Dealers Electric-Marathon    5KH49PN3042
0.5 HP, 1725/1140 RPM, 115 Volts, DP, 56CZ, N/R, Marathon, H226
$455.95
Out of Stock
Dealers Electric-Marathon    5KH49PN3042X
0.5 HP, 1725/1140 RPM, 115 Volts, DP, 56CZ, N/R, Marathon, H282
$462.73
Out of Stock
Dealers Electric-Marathon    056C17D2099
0.5 HP, 1800 RPM, 115/230 Volts, DP, 56Z, Resilient Base, Marathon, S113
$259.16
Dealers Electric-Marathon    056S17D2049
0.5 HP, 1800 RPM, 115 Volts, DP, 56Z, Resilient Base, Extended Studs, Marathon, B200
$224.70
Out of Stock
Dealers Electric-Marathon    5KC36MN20
0.5 HP, 1725 RPM, 115/230 Volts, DP, 56Z, WB, Marathon, CG393
$307.52
Out of Stock
Dealers Electric-Marathon    5KH36JNA769
0.5 HP, 1725 RPM, 115 Volts, DP, 56Z, WB, Marathon, H905
$181.28
Dealers Electric-Marathon    5KH36JNA769X
0.5 HP, 1725 RPM, 115 Volts, DP, 56Z, WB, Marathon, H906
$145.75
Out of Stock
Dealers Electric-Marathon    5KH36MN3127T
0.5 HP, 1725 RPM, 115/230 Volts, DP, 56Z, RB, Marathon, 4684
$357.72
Dealers Electric-Marathon    5KH38SNA731T
0.5 HP, 1725/1140 RPM, 115 Volts, DP, 56Z, RB, Marathon, HG715
$484.00
Dealers Electric-Marathon    5KH39QN9639T
0.5 HP, 1725 RPM, 115 Volts, DP, 56Z, RB, Marathon, 4778
$298.76
Dealers Electric-Marathon    5KH39QN9697T
0.5 HP, 1725 RPM, 230 Volts, DP, 56Z, RB, Marathon, 4759
$199.38
Out of Stock
Dealers Electric-Marathon    5KH39QN9698T
0.5 HP, 1725 RPM, 115 Volts, DP, 56Z, RB, Marathon, 4758
$279.73
Out of Stock
Dealers Electric-Marathon    048A17O172
0.5 HP, 1625 RPM, 460 Volts, OPAO, 48Y, Extended Studs, Footless, Marathon, X422
$293.04
Dealers Electric-Marathon    048A17O2001
0.5 HP, 1625 RPM, 208-230 Volts, OPAO, 48Y, Extended Studs, Footless, Marathon, X058
$201.86
Out of Stock
Dealers Electric-Marathon    048A17O2004
0.5 HP, 1625 RPM, 208-230 Volts, OPAO, 48Y, Extended Studs, Footless, Marathon, X069
$187.39
Out of Stock

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