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 »
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: 450
Motor Horsepower with 460 Volt Input: 900
Motor Horsepower with 575 Volt Input: 1200
Starter FL Amps: 1100
Dimensions (in.) H x W x D: 49.0 x 27.0 x 18.0
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)
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