Universal circuit breaker and pile head copper bar thereof

The utility model discloses a universal circuit breaker and a pile head copper bar thereof, the pile head copper bar comprises a mounting part and a connecting part which are vertically arranged, the mounting part is provided with a mounting hole, the pile head copper bar comprises at least two copper bar pieces, each copper bar piece comprises a mounting section and a connecting section which are vertically bent and connected, the mounting section is provided with a first mounting hole, and the connecting section is provided with a second mounting hole. The mounting sections of all the copper bar pieces are spliced and mounted to form a mounting part of the pile head copper bar, the first mounting holes in the mounting sections of all the copper bar pieces are correspondingly formed to form a mounting hole of the pile head copper bar, the connecting sections of all the copper bar pieces are arranged in parallel at intervals, and the connecting sections of all the copper bar pieces are located on the same sid