Comparison of protective devices

Now we will compare some basic protective devices – cartridge fuse and circuit breaker. First and really significant difference is that cartridge fuse is an electric component which does not disintegrate aftrer many years, which means that it needs no maintenance. Also cartridge fuse are small in size and it is Easy and quick to replace which is a big plus! But on the other hand this fuse does not suit high fault current as circuit breaker. Circuit Breakers is a modern alternative to fuses. They switch off when an overload is detected in the circuit. The advantage of circuit breakers over fuses is that: if they trip, they can be reset. Moreover circuit breakers have shorter tripping time than the cartridge fuse. However Surrounding temperature may affect it , and as a result tripping time get slower due to aging.
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