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    5KH39EN2552X
0.33 HP, 3450 RPM, 115 Volts, DP, 56C, N/R, Marathon, H439
$173.93
Out of Stock
Dealers Electric-Marathon    5KC37FN65X
0.33 HP, 3450 RPM, 115/208-230 Volts, DP, 56J, N/R, Marathon, C329
$189.64
Dealers Electric-Marathon    5KC39EN2500X
0.33 HP, 3450 RPM, 115/230 Volts, DP, 56J, N/R, Marathon, C1087
$197.66
Out of Stock
Dealers Electric-Marathon    5KH39EN2506X
0.33 HP, 3450 RPM, 115 Volts, DP, 56J, N/R, Marathon, H440
$202.96
Out of Stock
Dealers Electric-Marathon    5KH39EN2887X
0.33 HP, 3450 RPM, 115 Volts, DP, 56J, WB, Marathon, H685
$183.91
Dealers Electric-Marathon    5KC36GN2507X
0.33 HP, 3450 RPM, 115/230 Volts, DP, 56Y, N/R, Marathon, C1168
$226.74
Out of Stock
Dealers Electric-Marathon    5KH33FN85
0.33 HP, 3450 RPM, 115 Volts, TEFC, 48, WB, Marathon, HG123
$266.52
Out of Stock
Dealers Electric-Marathon    5KH33FN85X
0.33 HP, 3450 RPM, 115 Volts, TEFC, 48, WB, Marathon, HG124
$270.29
Out of Stock
Dealers Electric-Marathon    5KC33FN31
0.33 HP, 3450 RPM, 115/230 Volts, TEFC, 56C, N/R, Marathon, C1419
$241.12
Dealers Electric-Marathon    5KC33FN4180X
0.33 HP, 3450 RPM, 115/230 Volts, TEFC, 56J, N/R, Marathon, C1336
$330.88
Dealers Electric-Marathon    5KH33GN5014U
0.33 HP, 3450 RPM, 115 Volts, TENV, 48N, N/R, Marathon, 4774
$203.72
Out of Stock
Dealers Electric-Marathon    048A11OB2042
0.33 HP, RPM, 208-230 Volts, OPEN, 48Z, Resilient Rings, Extended Studs, Marathon
$176.90
Out of Stock
Dealers Electric-Marathon    056A8O5
0.5 HP, 825 RPM, 208-230 Volts, DPAO, 56Z, Resilient Rings, Extended Studs, Marathon, X208
$408.68
Out of Stock
Dealers Electric-Marathon    5KCP49PN9812S
0.5 HP, 825 RPM, 115/208-230 Volts, DP, 56Z, RR, Marathon, P245
$502.21
Dealers Electric-Marathon    048A8O181
0.5 HP, 825 RPM, 208-230 Volts, OPAO, 48Z, Extended Studs, Footless, Marathon, X098
$384.20
Out of Stock
Dealers Electric-Marathon    048A8T73
0.5 HP, 825 RPM, 208-230 Volts, TEAO, 48Z, Extended Studs, Footless, Marathon, X452
$384.20
Out of Stock
Dealers Electric-Marathon    5KCP49UN9837S
0.5 HP, 850 RPM, 208-230 Volts, TENV, 56Y, N/R, Marathon, F780
$301.51
Dealers Electric-Marathon    5KCP49UN9838S
0.5 HP, 850 RPM, 208-230 Volts, TENV, 56Y, WB, Marathon, F781
$285.66
056B11D15505-Marathon-Dealers Industrial    056B11D15505
0.5 HP, 1200 RPM, 115/230 Volts, ODP, 56, -, Marathon, C1263A
$559.68
Dealers Electric-Marathon    5KC48UN6052
0.5 HP, 1140 RPM, 115/230 Volts, DP, 56, RB, Marathon, C1264
$663.08

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