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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11677154053-Pfannenberg-Dealers Industrial    11677154053
Filterfan, Black, NEMA 12, 115 VAC, 427 CFM2, Pfannenberg, PF 67000 SL "A"
$719.88
Out of Stock
11677104054-Pfannenberg-Dealers Industrial    11677104054
Filterfan, Light Grey, NEMA 12, 230 VAC, 427 CFM2, Pfannenberg, PF 67000 SL "A"
$730.71
Out of Stock
11677104053-Pfannenberg-Dealers Industrial    11677104053
Filterfan, Black, NEMA 12, 230 VAC, 427 CFM2, Pfannenberg, PF 67000 SL "A"
$730.71
Out of Stock
11677804053-Pfannenberg-Dealers Industrial    11677804053
Filterfan, , NEMA 12, 24 VDC, 427 CFM2, Pfannenberg, PF 67000 SL "A"
$833.71
Out of Stock
11677124054-Pfannenberg-Dealers Industrial    11677124054
Filterfan, Light Grey, NEMA 12, 460 VAC, 427 CFM2, Pfannenberg, PF 67000 SL "A"
$809.86
Out of Stock
11677124053-Pfannenberg-Dealers Industrial    11677124053
Filterfan, Black, NEMA 12, 460 VAC, 427 CFM2, Pfannenberg, PF 67000 SL "A"
$809.86
Out of Stock
11643153055-Pfannenberg-Dealers Industrial    11643153055
Filterfan, Light Grey, IP55, 115 VAC, 169 CFM2, Pfannenberg, PF43000
$409.88
Out of Stock
11643103055-Pfannenberg-Dealers Industrial    11643103055
Filterfan, Light Grey, IP55, 230 VAC, 169 CFM2, Pfannenberg, PF43000
$416.95
Out of Stock

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