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How much does a new electric motor cost?

01/23/2019

SD100_DocSo... you are looking to purchase a new electric motor and you are trying to get an idea of what the cost will be. That's a pretty loaded question. Think of an automobile - you can get a pickup truck, a sedan, a coupe, or even a semi truck. What is it exactly that you need? Obviously a semi truck is going to cost a lot more than a standard family sedan.

Industrial electric motors can cost anywhere from a few hundred dollars to hundreds of thousands of dollars. Generally the size rating (Horsepower, Kilowatt, Megawatt, etc.) as well as the speed (RPM or Revolutions Per Minute), Input Voltage, and frame size all factor into the price. The larger the output, the larger the price. The larger the frame of the motor, the larger the price. You also need to consider if it is a standard motor or a specialty motor. If it has a special shaft extension, flange, or features, it will typically cost more and have a longer lead time.

There are also many options on where to purchase the motor at. You can buy them online, from a PT (power transmission) house or even your local EASA Shop (Electrical Apparatus Service Association). Check out this article on where to buy motors.

Where is the motor made? Motors manufactured in the USA, typically cost a bit more than motors made offshore in Latin America, or even Asia. However, when it comes to larger motors which are all unique custom built, this isn't always the case. Many large motors (500HP+) are still made in the USA, like the Siemens Norwood, OH factory.

What type of motor are you buying? You can get many options on a standard NEMA frame electric motor. You can buy a general purpose, open, rolled steel frame construction motor or you can buy a motor that is totally enclosed, built out of cast iron and meets IEEE's 841 specification for petroleum and chemical industries. They both have the same electrical characteristics but each is meant to serve a separate purpose. If you put an IEEE841 motor in an enclosure, like an air handling unit - you would have probably paid too much money for that motor. However, if you put a rolled steel, general purpose, motor in an oil refinery, it probably wouldn't last too long.

There are lots of options and features available. It's sometimes worth it to pay extra and get a higher quality motor and other times a less expensive option might serve you best.

 

Download How To Get The Righ Electric Motor

 

Justin T. Hatfield, CMRP

HECO - All Systems Go

269-381-7200

jhatfield@hecoinc.com

www.linkedin.com/in/justinhatfield 

 

About the author:

Justin T. Hatfield, CMRP  is the President at HECO - All Systems Go. He is responsible for Electric Motor & Drive Sales, Electric Motor & Generator Repairs, Spare Solutions, and Predictive Services. Justin was instrumental in developing HECO MAPPS (Motor and Powertrain Performance Systems) which focuses on “why” you have a motor problem instead of simply “What” product or service should be recommended. Justin is a Certified Maintenance and Reliability Professional (CMRP) by the Society of Maintenance and Reliability Professionals (SMRP). HECO is an EASA Accredited Service Center for Electric Motors as well as a provider of predictive maintenance & reliability services and products throughout the United States.

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