We are offering mcb. nowadays we use more commonly miniature circuit breaker or mcb in low voltage electrical network instead of a fuse. the mcb has some advantages compared to fuse :
It automatically switches off the electrical circuit during abnormal condition of the network means in over load condition as well as faulty condition. the fuse does not sense, but miniature circuit breaker does it in more reliable way. mcb is much more sensitive to over current than fuse.
Another advantage is, as the switch operating knob comes at its off position during tripping, the faulty zone of the electrical circuit can easily be identified. but in case of a fuse, fuse wire should be checked by opening fuse grip or cutout from fuse base, for confirming the blow of fuse wire.
Quick restoration of supply can not be possible in case of fuse as because fuses have to be rewireable or replaced for restoring the supply. but in the case of mcb, quick restoration is possible by just switching on operation.
Handling mcb is more electrically safe than fuse. because of to many advantages of mcb over fuse units, in modern low voltage electrical network, miniature circuit breaker is mostly used instead of backdated fuse unit.
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