What is the typical consequence of a motor operating under overload conditions for a prolonged period?

When a motor operates under overload conditions for an extended period, the typical consequence is a reduction in lifespan. Motors are designed to operate within certain load limits, and exceeding these limits causes excessive heat generation. This heat can lead to insulation breakdown, increased friction, and mechanical stress on components.

As the motor continues to run in this overloaded state, the degradation of materials occurs, which can eventually lead to catastrophic failure of the motor. Overheating can damage the windings, bearings, and other internal components, significantly shortening the motor's operational life. Proper thermal management and overload protection are critical in preventing these issues and ensuring that the motor operates within its designed capacity, thereby prolonging its lifespan.