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    404TTDC6060
100 HP, 1800 RPM, 230/460 Volts, DP, 404T, Rigid, Marathon, GT0046
$6,511.70
Out of Stock
Dealers Electric-Marathon    404TTDS16055
100 HP, 1800 RPM, 575 Volts, DP, 404T, Rigid, Marathon, U903A
$7,782.79
Out of Stock
Dealers Electric-Marathon    404TTDS6060
100 HP, 1800 RPM, 230/460 Volts, DP, 404T, Rigid, Marathon, E922
$6,733.40
Out of Stock
Dealers Electric-Marathon    404TSTDS16036
100 HP, 1800 RPM, 230/460 Volts, DP, 404TS, Rigid, Marathon, E780A
$6,733.40
Out of Stock
Dealers Electric-Marathon    404TSTDS4332
100 HP, 1800 RPM, 230/460 Volts, DP, 404TS, Rigid, Marathon, U528
$7,991.03
Out of Stock
Dealers Electric-Marathon    404TSTDS4333
100 HP, 1800 RPM, 200/400 Volts, DP, 404TS, Rigid, Marathon, U529
$7,991.03
Out of Stock
Dealers Electric-Marathon    404TSTDS6327
100 HP, 1800 RPM, 230/460 Volts, DP, 404TSC, C-Face Rigid, Marathon, U452A
$12,299.54
Out of Stock
images/motors/BlueMax_t.jpg    405THFS8046
100 HP, 1800 RPM, 230/460 Volts, TEBC-AXIAL, 405TC, C-Face Rigid, Marathon, Y517
$17,239.12
Out of Stock
Dealers Electric-Marathon    280STFC6526
100 HP, 1800 RPM, 230/460 Volts, TEFC, 280S, Rigid, Marathon, R507
$7,679.28
Out of Stock
Dealers Electric-Marathon    405THFS19327
100 HP, 1800 RPM, 460 Volts, TEFC, 405T, Rigid, Marathon, W600-P
$14,958.10
Out of Stock
images/motors/BlueMax_t.jpg    405THFS8036
100 HP, 1800 RPM, 230/460 Volts, TEFC, 405T, Rigid, Marathon, Y575
$14,864.01
Out of Stock
Dealers Electric-Marathon    405THFS9036
100 HP, 1800 RPM, 460 Volts, TEFC, 405T, Rigid, Marathon, W600
$12,556.92
Out of Stock
Dealers Electric-Marathon    405THFS9040
100 HP, 1800 RPM, 575 Volts, TEFC, 405T, Rigid, Marathon, W601
$14,206.34
Out of Stock
Dealers Electric-Marathon    405TTFC6036
100 HP, 1800 RPM, 230/460 Volts, TEFC, 405T, Rigid, Marathon, GT1046
$10,430.28
Out of Stock
Dealers Electric-Marathon    405TTFC6040
100 HP, 1800 RPM, 575 Volts, TEFC, 405T, Rigid, Marathon, GT1146
$9,810.74
Out of Stock
Dealers Electric-Marathon    405TTFS14328
100 HP, 1800 RPM, 230/460 Volts, TEFC, 405T, Rigid, Marathon, Y1630
$11,281.33
Out of Stock
Dealers Electric-Marathon    405TTFS16834
100 HP, 1800 RPM, 230/460 Volts, TEFC, 405T, Rigid, Marathon, U879A
$16,129.99
Out of Stock
Dealers Electric-Marathon    405TTFS6036
100 HP, 1800 RPM, 230/460 Volts, TEFC, 405T, Rigid, Marathon, E213
$9,810.74
Out of Stock
Dealers Electric-Marathon    405TTFS6040
100 HP, 1800 RPM, 575 Volts, TEFC, 405T, Rigid, Marathon, E314
$13,406.53
Out of Stock
Dealers Electric-Marathon    405TTFS6536
100 HP, 1800 RPM, 460 Volts, TEFC, 405T, Rigid, Marathon, E628
$11,301.37
Out of Stock

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