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 »
Electric Motors
: Pump Motors
: W22 Oil Well Pumping : High Slip - NEMA Design "D" - TEFC (IP55)
Catalog Number: 07512ES3EOW444T-W22
WEG id: 12782232
Application
These special motors have the high slip and high torque that oil well beam pumping units demand. WEG oil well pumping motors are requested on specifications for most major oil companies around the world as a result of their long lasting performance, low purchase and maintenance cost.
Standard Features
NEMA Standard Efficiency Level according to NEMA MG-1
Three-phase, 60 Hz
Degree of protection: IP55 – TEFC – Totally enclosed fan cooled
Rated output: 3 HP to 100 HP
Number of poles: 6 and 8
Frame sizes: 213/5T to 444/5T
FC-200 Cast iron frames
Voltage: 208-230/460 or 460V
Service Factor: 1.15
F-1 mount
Steel made fan cover for frame 213/5T and cast iron made for 254/6T and above
Rubber closed drain plugs
V’ring seals for frames 213/5T to 324/6T and WSeal for frame 364/5T and above
Class "F" insulation with class "B" (80ºC) temperature rise
Simple grounding (T-box interior and frame) for frames 213/5T to 324/6T and double grounding + additional (1 at T-box and 3 at frame) for frame 364/5T and above
Grease nipples for frame 364/5T and above
Continuous Duty (S1)
Painting plan: 207A for frame 213/5T and 203A for frame 254/6T and above
Color: RAL 9010 – White
Without thermal protection
Design NEMA "D"
Optional Features - Call Dealers for information on price and availability of optional features
Degree of protection: IPW55, IP56, IP65 and IP66
Other voltage configurations
Thermal protection: Thermistors, Thermostats or PT-100
Space heaters
Additional terminal box for accessories
Cable glands
6 or 12 pins BMC terminal block
Grease nipple for frames 254JP to 326JP
Stainless steel shaft
Other optional features under request
Notes
All motors are tested according to IEEE 112 std. - method "B" or C390 CSA.
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