A gas insulated switchgear

A gas insulated switchgear is provided to reduce contact damage by preceding opening of an arc contactor to opening of a main contactor and carrying out the opening of the arc contactor under extinction gas. A second movable main contactor(100) is installed opposite to a first movable main contactor. A second movable arc contactor(110) is installed opposite to a first movable arc contactor(210). A delay driving link mechanism is connected to the second movable main contactor and a nozzle(230). A rotation lever(140) is rotated in a clockwise or counterclockwise direction. A delay driving lever(130) has one end pivotably connected to an upper portion of the rotation lever and the other end rotated between a first position and a second position. A first link(120) has one end connected to the other end of the delay driving level and the other end connected to the nozzle. A second link(150) has one end connected to a lower portion of the rotation level and the other end connected to the second movable arc contactor.