Lighting control is widely used in smart home and building systems, and automatically adjusts the brightness of lights according to the scene time period to achieve the most comfortable level for people's vision. Due to the environmental temperature, life safety and other conditions, the key device relays that realize the functions of automatic adjustment, safety protection, and conversion circuits are very crucial.

Relays are used in various automatic control circuits of power system relay protection to increase the number of contacts and electric shock capacity in the protection and control circuits.

At its core, a relay is an electromechanical or solid-state device that acts as a switch to control the flow of electricity in a circuit.  In lighting applications, relays prove to be indispensable for managing various aspects of illumination. One key advantage is their ability to facilitate remote control and automation. By integrating relays into lighting systems, users gain the capability to regulate lights from a centralized location, promoting energy conservation and customized lighting scenarios.

Relays also play a pivotal role in enhancing safety within lighting setups. The isolation they provide helps prevent electrical faults and ensures that malfunctions in one part of the system do not adversely affect the entire lighting network. This protective feature is particularly vital in large-scale lighting installations where the failure of a single component can have far-reaching consequences.

Furthermore, relays contribute to the longevity of lighting fixtures by minimizing wear and tear on switches. Since the relay handles the switching duties, the primary switch experiences reduced stress, resulting in prolonged life and decreased maintenance requirements. This aspect is especially significant in commercial and industrial settings where lighting systems operate continuously.