What is the common function of the circuit breaker and the fuse?
The fusing speed of the fuse is microseconds (μs), far faster than the circuit breaker, and is suitable for applications where there is a quick cutoff requirement
The trip speed of the circuit breaker is in milliseconds (ms), relatively slow, and some occasions where the cut speed is high is not applicable
Fuse protection is to fuse, troubleshooting after the need to replace the melt to restore power supply, inconvenience
Circuit breaker protection is tripping, troubleshooting can be restored through the closing power supply, convenient
