Low pressure disconnecting link

The utility model discloses a low pressure disconnecting link, wherein each phase of the low pressure disconnecting link comprises a base and a disconnecting link contact, the two ends of the disconnecting link contact are fixed on the base through clip plates, each phase of the low pressure disconnecting link further comprises at least one extension base, the extension base is fixed on the end part of the base, an insurance structure is fixed on the extension base, and the insurance structure is connected with the clip plates through copper bars. The extension base is arranged on the base of each phase to guarantee the insurance structure to be horizontal, and a new insurance structure is convenient to change by cutting off the power in the case of failure of the insurance structure; and on the other hand, the insurance structure and the disconnecting link contact are transitional through the copper bars to increase the current discharge capacity and reinforce the radiating capability of the low pressure dis