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General Purpose AC Motors, Industrial Duty Three-Phase

OME Series

General Purpose AC Motors, Industrial Duty Three-Phase | OME Series

General Purpose AC Motors, Industrial Duty Three-Phase

See All Models Below

  • Cast Iron AC Motors: 1 to 5 HP
  • NEMA T Frame
  • NEMA design B
  • 203 to 230/460 Volt, Three-Phase
  • TEFC (Totally Enclosed Fan Cooled)
  • 3600, 1800, and 900 RPM
  • Class F Insulation
  • 1.15 Service Factor
  • Industrial Duty
  • Premium-Grade Quality
  • Inverter-Duty Capable
       • Variable Torque = 5:1 Speed
       • Constant Torque = 2:1 Speed
  • Electrically reversible
  • C-flange and D-flange mounting kits available
  • Motor slide bases for adjustable mounting
  • 2-Year Warranty
Drives & Motors - View related products


Omega general purpose AC motors are made by one of the leading motor manufacturers for over 45 years, a world-class accredited supplier with a long history of quality testing procedures and standards performed by the finest independent testing laboratories in the world. Our motors are made in high quality ISO9001-certified facilities using only the highest quality material and manufacturing processes. All motors are electrically tested in subassembly production and again after final assembly, and come with an ironclad 2-year warranty.

Features and Benefits of AC Motors from Omega
Following are a few of the many reasons why our AC motors provide the best combination of quality and performance at the lowest prices.

BEARINGS There are no sleeve bearings in our entire line of general purpose motors. We use nothing but premium quality SKF brand ball bearings on both the DE (drive end) and the ODE (opposite drive end). It is exactly for this reason that we can mount our motors in the "shaft up" or "shaft down" position with no derating. And all of our AC motors have a high tensile strength steel shaft.

SEALS Our motors are protected from moisture and contaminants by the use of V-ring shaft seals on both the drive-end and the opposite drive-end. These motors are name plated IP54 Enclosure.

WINDINGS / INSULATION All of our motors have copper windings and are manufactured with Class F insulation. This 155°C insulation system gives us inverter duty capability:
A. Variable Torque Applications: (Basically, fans and blowers) 5 to 1 speed turndown permitted
B. Constant Torque Applications: (Basically, all but fan and blower loads) 2 to 1 speed turndown

CASTINGS Our motors are unicast construction, meaning the entire frame is cast iron in one piece, as opposed to two-piece castings that are welded in the middle of the main frame or at the point where the feet are attached to the frame. This unfortunate, cost cutting practice is becoming more prevalent in our industry.

METALLURGY Our motors use only high density, FC200 cast iron frames on all sizes starting at 1 HP. This assures rapid heat transfer from the core of the motor into the motor's fins from which point it is dissipated by the motor's fan. Only a select few use this high density iron which results in longer insulation and bearing life. Many competitors use less expensive FC150 or even FC100 iron.

MOUNTING FEET Our motors use full body length, solid mounting feet. These feet are cast into the frame of the motor. Many competitors have little tab-like feet that stick out like a dog's paw with holes in them. Our body-length feet handle the vibration better and provide better overall strength.

FAN COVERS A unique fan and fan cover design forces the air through the valleys between the extra thick, extra deep cooling ribs. This provides much better cooling than the typical fan design that blows air off the end bell and out into space. Steel fan covers are provided as standard.

JUNCTION BOXES Our large, easy-to-wire junction boxes are cast iron and have rubber dust curtains designed to keep foreign particles from entry. These covers are designed to come apart at an angle to permit ease of wiring. Most motors are convertible F1 to F2 and all are rotatable at 90 degree intervals. Conduit holes are provided per NPT standards.

MOTOR LEADS All of our leads are both color coded and numbered per NEMA MG1 Standards.

NAMEPLATES Nameplates are said to be the "Window Of Quality" of a motor. Our AC motor nameplates are stainless steel to reduce corrosion and laser etched to provide permanent markings, and include an easy-to-read wiring diagram.

CERTIFICATION Our motors are CCSAUS Certified. Note the US stamp. It means that our motor has not only passed the Canadian Standard Association requirements, but also the USA's UL and ANSI standards, thus giving them the highest certification standards you can have for North America. Our certifications also include CE, CC006A, and of course ISO9001.

WARRANTY Our warranty matches the motors quality in that it leads the industry in guaranteeing customer satisfaction. All of our AC motors have an ironclad two-year warranty and it is a nameplate-only warranty. That is to say, the customer sends us the nameplate and we send him a new motor. No paperwork - no delay - no waiting for credit based on a factory inspection - and no questions asked! Simply call our customer service department to obtain an AR number for the nameplate return.
Place Order(Specify Model Number)
Part Number/Desc.
Consult Sales  
145T frame cast iron motor, 208-230/460 V, three-phase, 2 HP, 3600 RPM
Availability: 5 weeks
C-frame kit, frame 182T, 184T
Availability: 5 weeks
C-frame kit, frame 254T, 256T
Availability: 5 weeks
D-frame kit, frame 143T, 145T
Availability: 5 weeks
D-frame kit, frame 182T, 184T
Availability: 5 weeks
D-frame kit, frame 254T, 256T
Availability: 5 weeks
Motor slide base, 143T frame
Availability: 5 weeks
Motor slide base, 145T frame
Availability: 5 weeks
Motor slide base, 184T frame
Availability: 5 weeks
Motor slide base, 254T frame
All prices on this site are shown in Singapore Dollars.
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