Fusible link
Provides Medium Voltage (TM) or Cubicle Fuse
is a component whose function is to protect electronic or electrical devices.
A fuse consists of a short, fine wire that will melt and break if excessive electric current flows or a short circuit occurs in an electrical device.
By breaking the fuse, excessive electric current cannot enter the electronic circuit.
So that it does not damage the components in the electronic circuit in question.