Isolating switch for primary and secondary fusion SF6 circuit breaker

The utility model discloses an isolating switch for a primary and secondary fusion SF6 circuit breaker. Including a support base, a transformer is arranged on one side of the supporting base. A current transformer is arranged on the supporting base; an insulating sleeve is arranged at the upper end of the current transformer; an outgoing line cap is arranged at the upper end of the insulating sleeve; an inserting block is arranged on the wire outlet cap, a connecting rod is arranged on the inserting block, a connecting groove is formed in the other end of the connecting rod, the connecting rodis connected with the connecting groove in an inserted mode, a rotating shaft is arranged on the connecting rod, a return spring is arranged in the rotating shaft, and the connecting rod is movably connected with the wire outlet cap in an elastic overturning mode in the rotating shaft through the return spring. According to the disconnecting switch for the primary and secondary fusion SF circuitbreaker, the inserting blo