A relay and a switch are devices used to control the flow of electricity, but they work in different ways and serve different purposes. A switch is a basic device that lets you manually open or close a circuit. For example, flipping a light switch on closes the circuit, allowing electricity to flow and turn the light on; flipping it off opens the circuit and stops the electricity, turning the light off. A relay is an electrically operated switch, controlled by an electric signal rather than by hand. When the signal is sent, the relay opens or closes the circuit, similar to a regular switch. Relays are often used to control high-power circuits with low-power signals, like in a car where a small dashboard switch sends a signal to a relay that powers the headlights. In short, a switch allows direct manual control, while a relay enables automatic or remote control using electrical signals.<\/p>","protected":false},"excerpt":{"rendered":"
A relay and a switch are devices used to control the flow of electricity, but they work in different ways<\/p>","protected":false},"featured_media":1375,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[94],"product_tag":[],"class_list":{"0":"post-1369","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-omron","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\n