We have brought the D.O fuse cut out 11kv is the essential combination of the sue and switch that are demanded in the transformers. It is used for stopping the flow of energy when the arc is extinguished. It is an electrical safety device, fixed on the overhead line systems. It ensures the overcurrent protection. The D.O fuse cut out 11kv prevents the damage of the transformers, that may occur due to power surges. The rural distribution network is also protected.