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Learn what an overload relay is and how to connect it, used to protect circuits and controls. Understand how a protection relay works in a circuit with a contactor. In the video, we explain in detail the function, how to configure each setting, how to test the relay, applications, the operating principle, the concept, diagram and what the overload relay component is for. There are several types of overload relays (against overload) and nomenclatures, among them: electronic (smart) overload relay bimetallic thermal overload relay inductive thermal overload relay solid-state overload relay delayed-action magnetic overload relay instant-action magnetic overload relay In other videos, we will talk about automatic switches with overload relays, an even safer form of protection. Some of the main brands and models of overload relays are: Weg, Siemens, Scheneider, Sirius, ABB, BHS, Weg, Eaton. You can access the website of each of these companies and request the catalog and manual for each component. There are several types of overload relays. The price of an overload relay varies greatly depending on the brand, current and specifications of the relay. Calculate the overload relay to size it correctly before purchasing to avoid wasting money or using a relay that does not properly protect your circuit. On the Mundo da Elétrica website, you can check out an article that shows the symbology and a table of overload and phase loss relays. -- Mundo da Elétrica is an electricity channel with quality videos for you to learn on your cell phone, tablet or on your living room TV. Electricity for everyone! In addition to this YouTube channel, you can follow Mundo da Elétrica on social media! Visit the Mundo da Elétrica website: http://www.mundodaeletrica.com.br Like Mundo da Elétrica on Facebook: /mundodaeletrica Follow Mundo da Elétrica on Google Plus: https://plus.google.com/+Mundodaeletr... Follow Mundo da Elétrica on Twitter: /mundodaeletrica