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Equipment Longevity

Maintenance and engineering experts agree that excessive heat causes rapid deterioration of motor winding insulation. The common rule states that insulation life is cut in half for every 10 degrees of additional heat to the windings. As an example, if a motor that would normally last 20 years in regular service is running 40 C above rated temperature, the motor would have a life of about 1 year.

Leading standardization organizations have concluded that 30 percent of motor failures are attributed to insulation failure and 60 percent of these are caused by overheating. Articles have been published stating that a significant cause of bearing deterioration is overheating.

photo 55Read this article on Extending The Operating Life Of Your Electric Motors

Read this article on Overheating Electric Motors: One Root Cause of Insulation Failure