Why do you need to install a miniature circuit breaker after installing a earth leakage circuit breaker?

Many people have such a doubt in the decoration, that is, "Why do you need to install a miniature circuit breaker after installing a leakage switch?" In fact, both have their own importance. Let's take a look together below.

Earth Leakage Circuit Breaker: It is a leakage protection switch, which can actively cut off the power supply to protect people's lives and property in the event of electric leakage or electric shock.

Miniature Circuit Breaker: It also called MCB, the switch that will automatically cut off the power supply when the electrical appliances, lines are short-circuited or the current in the circuit exceeds the rated current, it is a very important electrical appliance in the low-voltage power distribution network and electric drive system when the air is opened. It has control and multiple protection functions, and can protect the short circuit, severe overload and undervoltage of the circuit or electrical equipment.

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So，Why do you need to install a miniature circuit breaker after installing a leakage protection switch?

When we install home circuits, we need to install miniature circuit breaker and leakage switches. The miniature circuit breaker mcb can cut off the problematic circuit when there is too much power consumption, too much short circuit or loss of voltage in our home. Protect the electrical equipment in the home, so as to prevent other electrical appliances from being burned out, and the purpose of the leakage switch is to provide non-direct contact protection. As long as one of the neutral wire or the live wire leaks, even a little bit will jump. It can avoid electric shock, avoid some safety accidents caused by electric leakage, and terminate electric leakage.

Therefore, the functions of the miniature circuit breaker din rail and the earth leakage circuit breaker are different, and the protection functions are also different, so the two switches are not a question of whether to install them together, but must be installed at the same time. Only in this way can a family be guaranteed electric safety.