Electrochemical Relay Explained: How It Works and Why It’s Still Relevant

 



Relays have been an essential part of electrical engineering for over a century. Among the many types, the electromechanical relay remains one of the most widely used components in control systems and protection schemes. Despite the surge of digital and solid-state technologies, this classic device holds its ground due to its simplicity, reliability, and robustness. In this article, we dive into the working principles of the electromechanical relay, explore its specific application in the form of the electromechanical overcurrent relay, and explain why it continues to be relevant in today’s evolving electrical landscape.


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