A relay module is an electronic component that uses an electrically operated switch to control high-voltage or high-current devices using a low-power signal. It acts as an interface between microcontrollers, control panels, or automation systems and the equipment they operate, such as lights, motors, alarms, or pumps. When the control signal is received, the relay activates and opens or closes the connected circuit.
Relay modules are highly reliable for protecting the electrical panels that contain all the essential electrical devices. These devices have low energy consumption and command an electrical switch to operate high-voltage equipment with ease. These modules allow not only the control of heavy loads but also isolate electrical circuits for repair and maintenance tasks.
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