For every 10 Celsius change in operating temperature, what happens to motor wire insulation?

When considering the impact of operating temperature changes on motor wire insulation, an increase of 10 degrees Celsius typically results in a degradation of the insulation material. This degradation is often quantified as a percentage of the total life expectancy or performance properties of that insulation.

Specifically, for every 10-degree Celsius increase, it is widely acknowledged that the insulation can degrade by approximately 50%. This degradation is significant because elevated temperatures can cause the molecular structure of the insulation to break down, leading to reduced dielectric strength, increased risk of electrical failure, and a shorter operational lifespan of the motor.

Understanding this relationship is crucial for anyone working with electrical motors or in environments where temperature control is vital for equipment longevity and reliability. Managing operating temperatures within specified limits is essential to maintain the integrity of the wire insulation and ensure optimal performance.