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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R1152ES-Century-Dealers Industrial    R1152ES
1.5 HP, 3600 RPM, 230 Volts, 1 PH, ODP, 48Y, Century, R1152ES
$565.82
R1202ES-Century-Dealers Industrial    R1202ES
2 HP, 3600 RPM, 230 Volts, 1 PH, ODP, 48Y, Century, R1202ES
$676.50
Out of Stock
R181-Century-Dealers Industrial    R181
2.0 HP, 3600 RPM, 208/230/460 Volts, 3 PH, TEAO, 145T, Century, R181
$523.50
Out of Stock
R344M2-Century-Dealers Industrial    R344M2
15 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 213T, Century, R344M2
$880.65
Out of Stock
R345M2-Century-Dealers Industrial    R345M2
20 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 215T, Century, R345M2
$1,002.75
Out of Stock
R352M2-Century-Dealers Industrial    R352M2
10 HP, 1800 RPM, 200 Volts, 3 PH, ODP, 213T, Century, R352M2
$952.38
Out of Stock
R354M2-Century-Dealers Industrial    R354M2
15 HP, 1800 RPM, 200 Volts, 3 PH, ODP, 215T, Century, R354M2
$1,071.31
Out of Stock
R355M2-Century-Dealers Industrial    R355M2
15 HP, 1800 RPM, 230/460 Volts, 3 PH, ODP, 215T, Century, R355M2
$981.88
Out of Stock
R422M2-Century-Dealers Industrial    R422M2
25.0 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 254T, Century, R422M2
$1,601.55
Out of Stock
R423M2-Century-Dealers Industrial    R423M2
30.0 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 256T, Century, R423M2
$1,672.26
Out of Stock
R424M2-Century-Dealers Industrial    R424M2
40.0 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 284T, Century, R424M2
$2,991.39
Out of Stock
R450M2-Century-Dealers Industrial    R450M2
20.0 HP, 1800 RPM, 200 Volts, 3 PH, ODP, 254T, Century, R450M2
$956.45
Out of Stock
R451M2-Century-Dealers Industrial    R451M2
20.0 HP, 1800 RPM, 230/460 Volts, 3 PH, ODP, 254T, Century, R451M2
$978.84
Out of Stock
R452M2-Century-Dealers Industrial    R452M2
25.0 HP, 1800 RPM, 200 Volts, 3 PH, ODP, 256T, Century, R452M2
$1,845.01
Out of Stock
R453M2-Century-Dealers Industrial    R453M2
25.0 HP, 1800 RPM, 230/460 Volts, 3 PH, ODP, 256T, Century, R453M2
$1,845.01
Out of Stock
R550M2-Century-Dealers Industrial    R550M2
30.0 HP, 1800 RPM, 200 Volts, 3 PH, ODP, 284T, Century, R550M2
$2,437.63
Out of Stock
R551M2-Century-Dealers Industrial    R551M2
30.0 HP, 1800 RPM, 230/460 Volts, 3 PH, ODP, 284T, Century, R551M2
$2,437.63
Out of Stock
R552M2-Century-Dealers Industrial    R552M2
40.0 HP, 1800 RPM, 200 Volts, 3 PH, ODP, 286T, Century, R552M2
$2,827.43
Out of Stock
R553M2-Century-Dealers Industrial    R553M2
40.0 HP, 1800 RPM, 230/460 Volts, 3 PH, ODP, 286T, Century, R553M2
$2,827.43
Out of Stock
RA1176WB-Century-Dealers Industrial    RA1176WB
0.75 HP, 1200 RPM, 200/230 Volts, 1 PH, ODP, 56Z, RESILIENT, Century, RA1176WB
$407.00
Out of Stock

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