Contact system of load isolation switch

The utility model relates to a contact system of a load isolation switch, which comprises a shell, a contact frame arranged in the shell in a sliding manner, a plurality of moving contacts respectively arranged on the contact frame, and a plurality of static contact pieces matched with the plurality of moving contacts, one end of each static contact piece is provided with a wiring part extending out of the shell, and the other end of each static contact piece is provided with a wiring part extending out of the shell. One end of the static contact piece is provided with a wiring part matched with the moving contact, the other end of the static contact piece is provided with a contact part matched with the moving contact, the static contact piece is provided with a U-shaped magnetic blow-out part connected between the wiring part and the contact part, a plurality of arc extinguishing grid pieces are arranged at the positions, corresponding to the static contact piece, in the shell, and the contact part extends