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 »
 
 
SSW060820T2257ESZ-5-Dealers Electric-Weg
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850 HP, 575 Volts, 820 Amps, Weg, IP 00, SSW060820T2257ESZ-5

Model #: SSW060820T2257ESZ-5  
575 Volts 3 Phase Input - SSW060820T2257ESZ-5
 
In Stock:  Yes
HP : 850
Enclosure : IP00
Volts : 575
Phase : 3
Manufacturer : WEG
Classification : SSW06
AMPS : 820
Item Condition : Factory New
Weight:  280 lbs
Retail Price$17,573.00
Our Price:
$10,750.19
You Save:$6,822.81 (39%)
Qty: 
 
This can be used with an AC electrical motor to temporarily reduce the load and torque in the power train and electric current surge of the motor during start-up.
  • Factory New with Manufacturer 18 Month Warranty
  • Motor Horsepower with 230 Volt Input: 350
  • Motor Horsepower with 460 Volt Input: 700
  • Motor Horsepower with 575 Volt Input: 850
  • Starter FL Amps: 820
  • Dimensions (in.) H x W x D: 32.0 x 22.0 x 15.0
  • Built-in run rated (AC1) by-pass contactor up to 820A
  • Rated 450% current
  • Detachable keypad with dual display (LCD and LED) and copy function
  • Voltage ramp or current limit start modes
  • Three programmable relay outputs (2 Amps - 250V)
  • Motor PTC thermistor input
  • RS-232 serial interface
  • Adjustable acceleration and deceleration ramps (1 - 299 seconds)
  • Applications: Pumps; Fans; Blowers; Compressors; Crushers; Saws; Grinders; Mixers
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