What is difference beteen fuse and circuit breaker?
Sharad Jaiswal
Posted On: Sep 24, 2020
The differences are:
| Fuse | Circuit Breaker |
|---|---|
| A fuse is a wire which prevents the circuit from overheating. | Circuit breaker is an automated switch that prevent the circuit from the overload |
| It doesn’t indicate overload. | It indicates overloads. |
| It can be used only once. | It can be used for a number of times. |
| It gives protection against power overloads. | It gives protection not only power overloads but also short circuits. |
| It performs detection and interrupts faulty circuit conditions. | It does not detect the faulty circuit conditions. It only performs the interruption process. |
| It possesses low breaking capacity. | It possesses high breaking capacity in comparison with the fuse. |
| It is automatically operated. | Circuit breaker can either be automatic or manually operated. |
| It takes very low time to operate which is approx. 0.002 seconds | It takes 0.02 – 0.05 seconds to operate. |
| It is cheaper as compared to Circuit breaker. | It is costly. |
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