Automatic melt replacement device for sealed fuse of distribution box

The invention discloses an automatic melt replacement device for a sealed fuse of a distribution box. The device comprises a distribution box, wherein a main cavity with a rightward opening is formedin the distribution box, a power supply cut-off device used for cutting off a power supply and recovering electrification is arranged in the main cavity, a melt replacement device located on a right side of the power cut-off device is arranged in the main cavity, the melt replacement device is used for replacing a melt and polishing a carbonization layer of a fuse base, a melt storage device located on a lower side of the melt replacement device and used for storing melt is arranged in the main cavity, a waste storage device located on a left side of the melt storage device is arranged in themain cavity, and the waste storage device is used for relieving clamping of a clamping plate to the melt and storing the waste melt. The device is advantaged in that automatic melt replacement and carbonization layer removal c