Introduction
Electric motors are the backbone of many industrial operations, from manufacturing plants to HVAC systems. However, like any machinery, motors are susceptible to malfunction or damage, particularly due to overloading. This is where the Motor Overload Relay (MOR) plays a crucial role in protecting motors from potential damage caused by excessive current. In this article, we will explore what a Motor Overload Relay is, how it works, and its vital importance in maintaining the longevity and efficiency of motors. What is a Motor Overload Relay? A Motor Overload Relay is a protective device that monitors the electrical current flowing to an electric motor. It is designed to detect overcurrent conditions and automatically disconnect the motor from the power supply when an overload occurs. Overload conditions can occur due to various reasons, such as mechanical failure, blocked rotors, or an overburdened system. Without the protection of an overload relay, a motor could overheat and fail prematurely, resulting in costly repairs or replacements.