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 91-100 101-110 111-120 121-130 131-140 141-150 151-160 161-170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191-200 201-224
 
Dealers Electric-Marathon    256TTFCA6028
20 HP, 1800 RPM, 230/460 Volts, TEFC, 256TC, C-Face Rigid, Marathon, GT1225
$2,379.31
Out of Stock
Dealers Electric-Marathon    284TTFNA7240
20 HP, 1800 RPM, 460 Volts, TEFC, 284T, Rigid, Marathon, Y385
$4,684.06
Out of Stock
images/motors/BlackMaxCFaceFooted_t.jpg    256THTNA7026
20 HP, 1800 RPM, 230/460 Volts, TENV, 256TC, C-Face Rigid, Marathon, Y552
$4,149.10
Out of Stock
images/motors/BlackMaxCFaceFooted_t.jpg    256THTNA7036
20 HP, 1800 RPM, 575 Volts, TENV, 256TC, C-Face Rigid, Marathon, Y563
$4,149.10
Out of Stock
images/motors/BlueMax_t.jpg    256THTNA8038
20 HP, 1800 RPM, 230/460 Volts, TENV, 256TC, C-Face Rigid, Marathon, Y510
$4,322.99
Out of Stock
Dealers Electric-Marathon    256THTNA8071
20 HP, 1800 RPM, 230/460 Volts, TENV, 256TC, C-Face Rigid, Marathon, Y993
$8,557.89
Out of Stock
Dealers Electric-Marathon    256TTGN16540
20 HP, 1800 RPM, 575 Volts, EPFC, 256T, Rigid, Marathon, U028A
$3,459.50
Out of Stock
Dealers Electric-Marathon    256TTGN16552
20 HP, 1800 RPM, 230/460 Volts, EPFC, 256T, Rigid, Marathon, E506-P
$3,687.42
Out of Stock
Dealers Electric-Marathon    256TTGN6531
20 HP, 1800 RPM, 230/460 Volts, EPFC, 256T, Rigid, Marathon, E506
$2,831.21
Out of Stock
images/motors/BlueMaxXPFC_t.jpg    284THEN8032
20 HP, 1800 RPM, 230/460 Volts, EPNV, 284TC, C-Face Rigid, Marathon, Y985
$9,482.09
Out of Stock
Dealers Electric-Marathon    254TTDCA6007
20 HP, 3600 RPM, 230/460 Volts, DP, 254JM, C-Face Rigid, Marathon, GT0424
$2,381.81
Out of Stock
Dealers Electric-Marathon    254TTDCA6008
20 HP, 3600 RPM, 575 Volts, DP, 254JM, C-Face Rigid, Marathon, GT0524
$2,381.81
Out of Stock
Dealers Electric-Marathon    254TTDX4006
20 HP, 3600 RPM, 230/460 Volts, DP, 254JM, C-Face Rigid, Marathon, E191
$2,046.50
Out of Stock
Dealers Electric-Marathon    254TTDX4007
20 HP, 3600 RPM, 200 Volts, DP, 254JM, C-Face Rigid, Marathon, E190
$2,046.50
Out of Stock
Dealers Electric-Marathon    254TTDX4019
20 HP, 3600 RPM, 575 Volts, DP, 254JM, C-Face Rigid, Marathon, E192
$1,822.76
Out of Stock
Dealers Electric-Marathon    254TTDX4015
20 HP, 3600 RPM, 200 Volts, DP, 254JMV, C-Face Footless, Marathon, E193
$2,270.51
Out of Stock
Dealers Electric-Marathon    254TTDX4020
20 HP, 3600 RPM, 230/460 Volts, DP, 254JMV, C-Face Footless, Marathon, E194
$2,270.51
Out of Stock
Dealers Electric-Marathon    254TTDX4024
20 HP, 3600 RPM, 575 Volts, DP, 254JMV, C-Face Footless, Marathon, E195
$2,270.51
Out of Stock
Dealers Electric-Marathon    254TTDCA6012
20 HP, 3600 RPM, 230/460 Volts, DP, 254JP, C-Face Rigid, Marathon, GT2424
$2,135.31
Out of Stock
Dealers Electric-Marathon    254TTDCA6013
20 HP, 3600 RPM, 575 Volts, DP, 254JP, C-Face Rigid, Marathon, GT2524
$1,737.38
Out of Stock

1-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 121-130 131-140 141-150 151-160 161-170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191-200 201-224