A. what is the role of the circuit breaker?
The role of RCBO Circuit Breaker 1p+n circuit breakers is to block or through the overloaded circuit, so that the circuit can prevent safety accidents.However, although the service life of the circuit breaker is very long, but the wrong method of use will also lead to its failure, so in use should not be careless.
B. How to choose the circuit breaker?
1, according to the use of choice for the selection of circuit breakers, generally according to the indoor lighting requirements for screening.For example, if the current of the lighting circuit is not large, you can choose a smaller current circuit breaker.However, small current can not be selected to label a large circuit breaker, because the current does not reach the label number above the circuit breaker, it will not be able to cut off the circuit, resulting in a series of dangerous accidents.
2, according to the function of choice if you only need to control a fire line, then we can choose a level 1 circuit breaker.If you want to control a fire line at the same time to play the effect of leakage, then you can choose the level of leakage circuit breaker.In addition, the stage 2 circuit breaker is usually installed at the main switch, and can be used to control the two lines on and off.And the 2 level leakage circuit breaker is generally more suitable for the use of electrical appliances with greater power, such as air conditioning, induction cooker and so on.Therefore, the selection of circuit breakers should be based on the function of the electrical screening.
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