Automatic fuse

The utility model discloses an automatic fuse, including last terminal outgoing lines, vacuum interrupter, the alarm, the electrically conductive clamp, the pull rod, a spring, pull rod sleeve, fixed chassis, a current transformer, lower terminal outgoing lines, lead collar and sleeve, the electrically conductive lower extreme that sets up at the explosion chamber that presss from both sides, pull rod one end sets up on electrically conductive the clamp, one end sets up on the spring, the spring other end sets up on pull rod sleeve, pull rod sleeve's bottom sets up on fixed chassis, the setting is all wrapped up in the sleeve to above structure, it sets up on telescopic top to go up terminal outgoing lines, current transformer sets up in telescopic left side, terminal outgoing lines sets up the left side on current transformer down, the lead collar sets up the lower extreme at current transformer, the alarm sets up on telescopic right side, the utility model discloses an automatic fuse, through addding the al