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:
 
 

 

View All | 1 2 3 4 5 6 7 8 9 10 11-20 21-21
 
13385036159-Pfannenberg-Dealers Industrial    13385036159
Cooling Unit, Stainless, NEMA 4/4X, 460 VAC, 15000-20000 Btu, Pfannenberg, DTS 3481
$9,386.21
Out of Stock
13385036251-Pfannenberg-Dealers Industrial    13385036251
Cooling Unit, Gray, NEMA 12, 460 VAC, 15000-20000 Btu, Pfannenberg, DTS 3441
$5,941.50
Out of Stock
13385036255-Pfannenberg-Dealers Industrial    13385036255
Cooling Unit, Light Gray, NEMA 12, 460 VAC, 15000-20000 Btu, Pfannenberg, DTS 3441
$5,659.63
Out of Stock
13385036351-Pfannenberg-Dealers Industrial    13385036351
Cooling Unit, Gray, NEMA 3R/4, 460 VAC, 15000-20000 Btu, Pfannenberg, DTS 3461
$6,668.23
Out of Stock
13385036355-Pfannenberg-Dealers Industrial    13385036355
Cooling Unit, Light Gray, NEMA 3R/4, 460 VAC, 15000-20000 Btu, Pfannenberg, DTS 3461
$6,351.11
Out of Stock
13385039158-Pfannenberg-Dealers Industrial    13385039158
Cooling Unit, Light Gray, NEMA 4/4X, 230 VAC, 15000-20000 Btu, Pfannenberg, DTS 3481
$7,368.53
Out of Stock
13385039255-Pfannenberg-Dealers Industrial    13385039255
Cooling Unit, Light Gray, NEMA 12, 230 VAC, 15000-20000 Btu, Pfannenberg, DTS 3441
$5,470.24
Out of Stock
13385039355-Pfannenberg-Dealers Industrial    13385039355
Cooling Unit, Light Gray, NEMA 3R/4, 230 VAC, 15000-20000 Btu, Pfannenberg, DTS 3461
$6,152.91
Out of Stock
13385436158-Pfannenberg-Dealers Industrial    13385436158
Cooling Unit, Stainless, NEMA 4/4X, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3181
$4,474.85
Out of Stock
13385436159-Pfannenberg-Dealers Industrial    13385436159
Cooling Unit, Stainless, NEMA 4/4X, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3181
$5,549.51
Out of Stock
13385436251-Pfannenberg-Dealers Industrial    13385436251
Cooling Unit, Gray, NEMA 12, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3141
$3,513.43
Out of Stock
13385436255-Pfannenberg-Dealers Industrial    13385436255
Cooling Unit, Light Gray, NEMA 12, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3141
$3,337.26
Out of Stock
13385436351-Pfannenberg-Dealers Industrial    13385436351
Cooling Unit, Gray, NEMA 3R/4, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3161
$4,135.71
Out of Stock
13385436355-Pfannenberg-Dealers Industrial    13385436355
Cooling Unit, Light Gray, NEMA 3R/4, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3161
$4,200.01
Out of Stock
13385436375-Pfannenberg-Dealers Industrial    13385436375
Cooling Unit, Light Gray, NEMA 3R/4, 460 VAC, 3000-4000 Btu, Pfannenberg, DTS 3161 w/900W Htr
$4,298.68
Out of Stock
13385441158-Pfannenberg-Dealers Industrial    13385441158
Cooling Unit, Stainless, NEMA 4/4X, 230 VAC, 3000-4000 Btu, Pfannenberg, DTS 3181
$4,373.55
Out of Stock
13385441159-Pfannenberg-Dealers Industrial    13385441159
Cooling Unit, Stainless, NEMA 4/4X, 230 VAC, 3000-4000 Btu, Pfannenberg, DTS 3181
$5,432.06
Out of Stock
13385441178-Pfannenberg-Dealers Industrial    13385441178
Cooling Unit, Stainless, NEMA 4/4X, 230 VAC, 3000-4000 Btu, Pfannenberg, DTS 3181 w/900W Htr
$4,725.90
Out of Stock
13385441251-Pfannenberg-Dealers Industrial    13385441251
Cooling Unit, Gray, NEMA 12, 230 VAC, 3000-4000 Btu, Pfannenberg, DTS 3141
$3,402.70
Out of Stock
13385441255-Pfannenberg-Dealers Industrial    13385441255
Cooling Unit, Light Gray, NEMA 12, 230 VAC, 3000-4000 Btu, Pfannenberg, DTS 3141
$3,236.59
Out of Stock

View All | 1 2 3 4 5 6 7 8 9 10 11-20 21-21