WHK-MB series high-energy controllable pole surge protector has extremely high current-through capacity, which greatly reduces the voltage protection level through electronic trigger circuit, and is more suitable for low-voltage power distribution systems and important protection equipment that are subject to direct lightning strikes. Easy to install (digital model design can realize Kevin wiring); Strong disconnection and freewheeling ability; Perfect arc extinguishing design-no arc leakage at all (can be used in special occasions such as petroleum, chemical industry, coal etc.) and other advantages.