Multi-chamber lightning protection device for power distribution network

The utility model provides a multi-chamber lightning protection device for a power distribution network. The multi-chamber lightning protection device comprises a multi-chamber lightning protection device body, an insulator and a connecting fitting, the multi-cavity lightning protection device body is connected with one end of the insulator through the connecting fitting, an air gap is formed between the multi-cavity lightning protection device body and the other end of the insulator, and the two sides of the connecting fitting are connected with the lightning protection device body and the insulator. The multi-cavity lightning protection device used for the power distribution network can be installed on a line cable of the power distribution network or a metal cross arm of an electric pole through the connection fitting. The multi-cavity lightning protection device body comprises a support connecting fitting, a mounting track and a plurality of independent arc extinguishing cavities. According to the multi-c