What does the surge protector show red?
May 20, 2022
The surge protector is installed in the power line to discharge the surge voltage. When the surge energy is too large or the service life of the surge protector is reached, the internal tripping mechanism will trip, and the internal components of the surge protector will be disconnected from the power grid. Open to avoid accidents. At this time, the window of the surge protector will change from green (black, etc.) to red, which means to remind everyone that the surge protector needs to be replaced. As shown in the figure below, when it turns red, the lightning protection and surge protection function of the surge protector is invalid and needs to be replaced in time.