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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449TSTFS14010-Marathon-Dealers Industrial    449TSTFS14010
350 HP, 3600 RPM, 460 Volts, 3 PH, TEFC, 447/449TS, Marathon, 449TSTFS14010
$31,678.85
Out of Stock
449TSTFS14040-Marathon-Dealers Industrial    449TSTFS14040
250 HP, 1800 RPM, 460 Volts, 3 PH, TEFC, 447/449TS, Marathon, 449TSTFS14040
$25,045.38
Out of Stock
449TSTFS14044-Marathon-Dealers Industrial    449TSTFS14044
350 HP, 1800 RPM, 460 Volts, 3 PH, TEFC, 447/449TS, Marathon, 449TSTFS14044
$28,382.15
Out of Stock
449TSTFS14045-Marathon-Dealers Industrial    449TSTFS14045
300 HP, 1800 RPM, 460 Volts, 3 PH, TEFC, 447/449TS, Marathon, 449TSTFS14045
$29,016.00
Out of Stock
449TSTFS16025-Marathon-Dealers Industrial    449TSTFS16025
400 HP, 3600 RPM, 460 Volts, 3 PH, TEFC, 447/449TS, Marathon, 449TSTFS16025
$66,904.53
Out of Stock
444TTDN16003-Marathon-Dealers Industrial    444TTDN16003
200 HP, 3600 RPM, 460 Volts, 3 PH, ODP, 444HPV, Marathon, 444TTDN16003
$22,269.01
Out of Stock
444TTDN16027-Marathon-Dealers Industrial    444TTDN16027
150 HP, 1800 RPM, 460 Volts, 3 PH, ODP, 444HPV, Marathon, 444TTDN16027
$20,462.20
Out of Stock
444TTDN16078-Marathon-Dealers Industrial    444TTDN16078
100 HP, 1200 RPM, 230/460 Volts, 3 PH, ODP, 444HPV, Marathon, 444TTDN16078
$18,338.40
Out of Stock
444TTDN16101-Marathon-Dealers Industrial    444TTDN16101
75 HP, 900 RPM, 460 Volts, 3 PH, ODP, 444HPV, Marathon, 444TTDN16101
$19,156.98
Out of Stock
444TTFC6633-Marathon-Dealers Industrial    444TTFC6633
125 HP, 1800 RPM, 460 Volts, 3 PH, TEFC, 444T, Marathon, 444TTFC6633
$13,663.50
Out of Stock
444TTFC6683-Marathon-Dealers Industrial    444TTFC6683
100 HP, 1200 RPM, 460 Volts, 3 PH, TEFC, 444T, Marathon, 444TTFC6683
$15,084.43
Out of Stock
444TTFN16081-Marathon-Dealers Industrial    444TTFN16081
100 HP, 1200 RPM, 230/460 Volts, 3 PH, TEFC, 444HPV, Marathon, 444TTFN16081
$29,261.45
Out of Stock
444TTFN16103-Marathon-Dealers Industrial    444TTFN16103
75 HP, 900 RPM, 460 Volts, 3 PH, TEFC, 444HPV, Marathon, 444TTFN16103
$26,423.32
Out of Stock
444TTFN16582-Marathon-Dealers Industrial    444TTFN16582
100 HP, 1200 RPM, 575 Volts, 3 PH, TEFC, 444T, 575 VOLT, Marathon, 444TTFN16582
$13,323.65
Out of Stock
444VTDC6026-Marathon-Dealers Industrial    444VTDC6026
150 HP, 1800 RPM, 460 Volts, 3 PH, WP1, 444TPV, Marathon, 444VTDC6026
$16,408.71
Out of Stock
445TSTDCD14051-Marathon-Dealers Industrial    445TSTDCD14051
250 HP, 1800 RPM, 460 Volts, 3 PH, ODP, 445TS, Marathon, 445TSTDCD14051
$19,266.12
Out of Stock
445TSTDCD4007-Marathon-Dealers Industrial    445TSTDCD4007
250 HP, 3600 RPM, 460 Volts, 3 PH, ODP, 445TS, Marathon, 445TSTDCD4007
$20,040.17
Out of Stock
445TSTDCD4008-Marathon-Dealers Industrial    445TSTDCD4008
250 HP, 3600 RPM, 575 Volts, 3 PH, ODP, 445TS, 575 VOLT, Marathon, 445TSTDCD4008
$22,266.01
Out of Stock
445TSTDCD4035-Marathon-Dealers Industrial    445TSTDCD4035
200 HP, 1800 RPM, 575 Volts, 3 PH, ODP, 445TS, 575 VOLT, Marathon, 445TSTDCD4035
$16,970.88
Out of Stock
445TSTDCD4036-Marathon-Dealers Industrial    445TSTDCD4036
250 HP, 1800 RPM, 575 Volts, 3 PH, ODP, 447TS, 575 VOLT, Marathon, 445TSTDCD4036
$13,872.60
Out of Stock

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