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1. Min.iature Cir cuit Bre akers (MCBs) are electromec.hanical dev ices which ar e used to pro tect an electrical circuit from an over current. Unlike a Fuse, MCB do es not have to be replac ed every time after a fault occ.urs and it can be reused
2.A mi.niature circuit breaker (MCB) auto.matically switches off the electrical circuit dur.ing an ab normal cond.ition of the net.work means in overload co dition as well as fault.y condition. Now adays we use an MCB in a low voltage electrical network instead of a fuse. Handling an MCB is electrically safer than a fuse
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