Surge protective device provided with thermal protective device

The utility model discloses a surge protective device provided with a thermal protective device, comprising a shell, a base arranged in the shell, an overvoltage suppression element arranged on one surface of the base, an elastic separating device arranged on the other surface of the base and two power connectors; the surge protective device is characterized in that the elastic separating device comprises a bow member and an extension spring, wherein the bow member comprises a non-conductive bow body part, a conductive bowstring part and an electric arc separating plate rotatably arranged at the middle part of the non-conductive bow body part; a guide slot is arranged below the electrode at the other surface of the base; the free end of the electric arc separating plate is positioned in the guide slot; the conductive bowstring part is connected with one power connector by a flexible electric lead; and the other electrode of the overvoltage suppression element is connected with the other power connector. Compa