Integrated surge protective device soldered onto PCB is voltage-limiting type and mainly used to prevent surge overvoltage in AC power system, performance of surge protective device is stable with common mode protection and reliable tripping device. Remote signaling function are optional according to the customer requirement (Normal closed electrical independent contact). In=10kA and Imax=20kA. It is applicable for 220/380V AC system. Integrated surge protective device is soldered directly onto PCB of various electrical and electronic equipments, such as AC circuit of charging pile, inverter, communication equipment, household appliances etc. as the second or third stage protection.