¿Qué es y para qué sirve un Relé?

Un relé eléctrico es un dispositivo electromecánico que se utiliza para controlar el flujo de corriente eléctrica en un circuito. Su función es activar o desactivar un circuito eléctrico en función de una señal eléctrica o electrónica externa.

Los relés eléctricos se componen de una bobina, un núcleo magnético y uno o varios contactos eléctricos. Cuando se aplica una señal eléctrica a la bobina del relé, esta se magnetiza y atrae el núcleo magnético, lo que a su vez cierra o abre los contactos eléctricos. De esta manera, se puede controlar el flujo de corriente eléctrica en un circuito.

Los relés eléctricos se utilizan en una amplia variedad de aplicaciones en la industria, el hogar y los sistemas de automatización. Por ejemplo, se pueden utilizar para controlar el encendido y apagado de motores eléctricos, la iluminación, el aire acondicionado, entre otros. Además, los relés son útiles para proteger circuitos eléctricos contra sobrecargas y cortocircuitos.

En resumen, los relés eléctricos son dispositivos importantes para el control y la protección de circuitos eléctricos en diferentes aplicaciones.

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