The LY series lightning protection boxes are specially designed for lightning protection of various power supply systems. They integrate multiple levels of surge protection units, featuring strong discharge capacity, low residual voltage, and rapid response. They can effectively suppress the impact of lightning and operational overvoltages on equipment. The product structure is standardized and installation is convenient. It has functions such as degradation indication, fault alarm, and overcurrent protection. It has high reliability and is easy to maintain. It is widely used in computer rooms, buildings, industrial areas, base stations, and power distribution systems, providing stable and reliable overall lightning protection for critical electrical equipment.