MCB Boxes are more sensitive to electric current then fuse. These work quickly against short circuits and can deal with overloading as well as under voltage. They are reusable and are accessible with less replacement cost. These boxes are simple to recommence the supply. Also, these are simple to handle. These allow for safe electricity usage and allow for a better interface. MCB Boxes have the provision of instant indication of faculty circuit. Their performance is good when it comes to the earth leakage. They have shorter tripping time and are of stable make.