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 »
 
 
Sort By:
 
 
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.
 

1-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141-150 151-160 161-170 171-180 181-190 191-200 201-224
 
Dealers Electric-Marathon    143TTTN6530
1 HP, 1800 RPM, 575 Volts, TENV, 143T, Rigid, Marathon, E666
$645.83
Out of Stock
Dealers Electric-Marathon    143TTTN6563
1 HP, 1800 RPM, 230/460 Volts, TENV, 143T, Rigid, Marathon, E461
$638.48
images/motors/BlueMax_t.jpg    143THTN8028
1 HP, 1800 RPM, 230/460 Volts, TENV, 143TC, C-Face Rigid, Marathon, Y525
$1,155.41
Out of Stock
Dealers Electric-Marathon    143THTN8036
1 HP, 1800 RPM, 230/460 Volts, TENV, 143TC, C-Face Rigid, Marathon, Y986
$2,087.59
See All Options
Dealers Electric-Marathon    143THTR15535
1 HP, 1800 RPM, 230/460 Volts, TENV, 143TC, C-Face, Removable Base, Marathon, Y283
$1,362.17
images/motors/BlackMaxCFaceFooted_t.jpg    143THTR5326
1 HP, 1800 RPM, 230/460 Volts, TENV, 143TC, C-Face, Removable Base, Marathon, Y536
$659.24
images/motors/MaxPlusCFaceFooted_t.jpg    056H17T15527
1 HP, 1800 RPM, 230/460 Volts, TENV, 56C, C-Face, Removable Base, Marathon, Y282
$1,315.28
images/motors/BlackMaxCFaceFooted_t.jpg    056H17T5302
1 HP, 1800 RPM, 230/460 Volts, TENV, 56C, C-Face, Removable Base, Marathon, Y535
$683.46
images/motors/BlackMaxCFaceFooted_t.jpg    056H17T5312
1 HP, 1800 RPM, 575 Volts, TENV, 56C, C-Face Rigid, Marathon, Y556
$641.51
Dealers Electric-Marathon    143TTGN6526
1 HP, 1800 RPM, 230/460 Volts, EPFC, 143T, Rigid, Marathon, U001A
$856.23
See All Options
Dealers Electric-Marathon    143TTGN6530
1 HP, 1800 RPM, 575 Volts, EPFC, 143T, Rigid, Marathon, U020A
$578.53
See All Options
Dealers Electric-Marathon    143TTGN6532
1 HP, 1800 RPM, 230/460 Volts, EPFC, 143T, Rigid, Marathon, U986A
$704.91
Out of Stock
Dealers Electric-Marathon    143TTGR16026
1 HP, 1800 RPM, 230/460 Volts, EPFC, 143T, Rigid, Marathon, I502
$1,081.60
Out of Stock
Dealers Electric-Marathon    143TTGR16030
1 HP, 1800 RPM, 575 Volts, EPFC, 143T, Rigid, Marathon, I503
$1,094.02
Out of Stock
Dealers Electric-Marathon    143TTGN6551
1 HP, 1800 RPM, 208-230/460 Volts, EPFC, 143TC, C-Face Rigid, Marathon, C361A
$943.73
See All Options
056T17G15600-Marathon-Dealers Industrial    056T17G15600
1 HP, 1800 RPM, 230/460 Volts, XPFC, 56, Class I and II, Groups C, D, E , F, G, Marathon, G663A
$828.08
See All Options
056T17G15599-Marathon-Dealers Industrial    056T17G15599
1 HP, 1800 RPM, 230/460 Volts, XPFC, 56C, Class I and II, Groups C, D, F, G, Footless, Marathon, G841A
$787.60
056T17G15615-Marathon-Dealers Industrial    056T17G15615
1 HP, 1800 RPM, 575 Volts, XPFC, 56C, Class I and II, Groups C, D, F, G, Footless, Marathon, G846A
$787.60
images/motors/BlueMaxXPFC_t.jpg    143THEN8034
1 HP, 1800 RPM, 230/460 Volts, EPNV, 143TC, C-Face Rigid, Marathon, Y978
$6,692.06
Out of Stock
images/motors/BlackMaxCFaceFootedXPFC_t.jpg    056H17E5305
1 HP, 1800 RPM, 230/460 Volts, EPNV, 56C, C-Face Rigid, Marathon, Y604
$981.37

1-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141-150 151-160 161-170 171-180 181-190 191-200 201-224