The distinction with usual insurance is the following three points:1 Its sensitivity is awfully high, can preserve circuit electric appliances in time2 After disconnecting and troubleshooting, it can be manually resumed and used manually can control high current circuit100% fresh and high qualityLeakage protection, overload protectionGood conductivity and craftsmanship, high temperature pressureInstructions for use:1 it's best to disconnect manually, you would press the manual disconnect button, don't forcibly open the reset wrench, or it's going to cause the shaft to break
2 the flexibility is on, the rated recent is reached or close, the circuit breaker will routinely disconnect