This series of products produced by our company are characterized by standard filter circuit design, small size, low price, and good performance in solving high frequency interference of 100Khz-30Mhz. They have been widely used in all kinds of three-phase system switching power supply, ups and other electronic power equipment, distribution cabinet, and other three-phase electronic power equipment and other complex electromagnetic interference environment equipment, so as to ensure the normal and safe operation of these equipment, effectively reduce the failure rate of equipment, reduce the interference of high-frequency signal to peripheral equipment and power grid, and provide your EMC service Radiation test escort.