Circuit breaker
> Has switching actions to close the circuit or to open the circuit, and has a trip circuit if load current exceeds the set value
> After tripping, circuit breaker can be reused without replacing any part
Fuse
> Have only breaking function, and fitted in the circuit to protect the circuit from damaging effect of high current flow
> It breaks the circuit by melting the fuse metal itself
> After breaking, the blown fuse must be renewed