Electric motors are the heart of numerous industrial and commercial applications, powering everything from small appliances to large machinery. However, just like any mechanical system, they are susceptible to damage under excessive stress. This is where the Motor Overload Relay comes into play. A critical component of motor protection systems, it prevents electric motors from being damaged by overloading and excessive current. In this article, we will explore the importance of motor overload relays, their working principle, types, and applications.