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  • Writer's pictureJeremy Hixson

Done Right The First Time: 8 Key Factors For Motor Installation

Installing industrial electric motors is a critical step in ensuring the reliable and efficient operation of industrial machinery. However, the process of installing an electric motor can be complex and mistakes can easily be made, which can result in reduced performance, increased downtime, and ultimately, costly repairs.

To help prevent these mistakes, this article will highlight the most common errors made during the installation of electric motors and provide industry data to support the importance of avoiding these mistakes.

From incorrect power supply and improper mounting to neglecting thermal protection and maintenance, this guide will provide a comprehensive overview of the key factors to consider when installing electric motors. By following these guidelines and avoiding these common mistakes, you can help ensure that your industrial machinery operates at peak performance for years to come.

1. Proper Power Supply:

Power supply misconfiguration is one of the most frequent blunders when it comes to motors. This can lead to under-voltage, over-voltage or wrong frequency, resulting in reduced performance or even motor breakdowns. The Electrical Apparatus Service Association (EASA) warns that an incorrect power source may bring about diminished efficiency and energy consumption as well as a shorter lifecycle for your motor! To keep away from these mistakes be sure you accurately assess the appropriate power supply requirements before selecting a compatible engine with your available source of electricity.

2. Proper Motor Mounting:

To avoid any complications caused by excessive vibration, make sure to carefully mount the motor in accordance with its manufacturer's instructions. In fact, a Power Transmission Distributors Association study showed that up to 70% of motor failures are due to bearing problems stemming from incorrect mounting. Thus, for proper installation and optimal performance of your motor follow the recommended procedures set forth by its maker.

3. Keeping Thermal Controls in Mind:

Protection: Excessive heat is a frequent problem in electric motors, so it's essential to have the right thermal protection measures in place to stop harm. According to the American National Standards Institute, temperature increases of not more than 40°C above ambient temperatures are recommended for most electric motors. To guarantee optimal thermal security, make sure you select an appropriately cooled motor (e.g., air-cooled or water-cooled) and ensure appropriate ventilation around it.

4. Evaluating Motor Duty Cycle:

It is essential to evaluate the duty cycle of a motor accurately and select one appropriate for your application. If you choose the wrong motor, it could lead to reduced performance and extended downtime according to NEMA (National Electrical Manufacturers Association). The duty cycle rate refers to how often an engine operates compared with its rest period - so make sure that you pick one tailored accordingly in order to maximize peak operation times!

5. Wiring:

To avoid potential damage to the windings and insulation, it is essential that the wiring be secured correctly and tightly. Shockingly, according to the National Fire Protection Association, more than half of electrical fires can be attributed to improper wiring. Therefore, for safety reasons alone, it is important to adhere strictly to local and national electric codes as well as frequently inspect all wiring connections for both tightness and protection integrity.

6. Cable Sizing:

Avoiding high resistance and heat buildup, as well as power loss requires the correct cable size. The Institute of Electrical and Electronics Engineers has stated that incorrect sizing may cause energy consumption to rise due to a decrease in motor efficiency. Thus, it's important to assess the power requirements accurately in order to avoid mistakes and pick an appropriate cable size for your application.

7. Maintenance:

The honest truth is that even if your motor is installed perfectly, most of that effort is wasted if the proper maintenance practices aren't adhered to. To promote the efficient operation of a motor and its enduring longevity, it is essential to conduct regular maintenance. In fact, following the manufacturer's routine inspection protocol and servicing guidelines can prolong your motor’s lifespan by up to 50%, as stated in the EASA report. Regular maintenance is key to the successful preservation of your electric motor - don't forget!

8. Environmental Conditions:

Yes, those are nuts

It is essential to protect the engine from moisture, dust, and other environmental elements that can cause harm. As noted by EASA, exposure to harsh conditions can reduce the motor's lifespan by up to 50%. To guarantee effective protection, it is necessary to select a motor with an appropriate IP rating (e.g., IP54) and keep adequate ventilation near the engine so as not to accumulate dust or humidity. Sometime environmental issues can be local wildlife. In the example of one client who's motor become a home for the local squirrel population.

In conclusion, the installation of electric motors is a crucial step in ensuring the reliable and efficient operation of industrial machinery. By avoiding the common mistakes outlined here you can help ensure that your electric motors perform optimally and avoid costly repairs. With the right approach and attention to detail, you can help ensure that your electric motors operate at peak performance and keep your industrial machinery running smoothly for years to come.


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