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
: Oil Well Pumping : High Slip - NEMA Design "D" - ODP
Catalog Number: 10012OS3EOW445T
WEG id: 11158565
Description 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.
Applications
Beam Pumps
Sucker Rods Pumps
Other applications requiring high starting torque or high slip
Standard Features
HIGH STARTING and BREAKDOWN TORQUE - NEMA DESIGN 'D' (5 - 8% SLIP)
Single and triple rated available
Three-phase, 60Hz
Rated Output: 1.5 HP to 135 HP
Voltage: 208-230/460 or 575 V
184T up to 445T cast iron frames
VI Pole
Squirrel cage rotor / Aluminum die cast
Enclosure: Open Drip Proof (ODP)
Dimensions according to NEMA standard
Class "F" insulation ("B" temperature rise)
Continuous duty (S1)
104ºF (40ºC) ambient temperature
Altitude: 3300 ft (1000m)
1045 carbon steel shaft (4140 for roller bearings)
F2 mount
Stainless steel nameplate
Paint: Enamel alkyd resin base
NPT threaded terminal box
Plastic drain plugs
Regreasable bearings system for frames 254T and up
Thermistors (1 per phase) for frames 324T and up
Shaft slingers (V-ring)
Rodent screens
Roller bearings for frames 404T and up
Service factor: 1.00
Color: RAL 9010 (White)
Optional Features - Call Dealers for information on price and availability of optional features
Special voltages
Other mountings
Specially designed shaft
Space heaters
Second shaft end
Thermostats or RTD's (PT100)
Additional terminal box
Stainless steel shaft
Frame - Specific Features (ODP only)
FOR FRAMES 184T TO 213/5T (IP21)
Welded steel plate frames (welded feet)
Aluminum endshields and terminal box
Cooling system with finned rotor
Cast iron endshields fixed with through bolt construction
"ZZ" bearings (double shielded)
Degree of protection: IP21
FOR FRAMES 254/6T TO 444/5T (IP23)
Cast iron frames
Cast iron endshields and terminal box
Cooling system with finned rotor
Winding temperature detector (1 per phase) - thermistors from frame 324T up to 445T
Regreasable bearings positive pressure lubrication system (frame 254T and up)
Degree of protection: IP23
NOTES
All motors are tested according to IEEE 112 std. - method "B" or C390 CSA.
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