Why Electric Circuit Breakers are better than Fuses: Part 1
Today, the electric circuit breaker becomes the preferred type of circuit protection. It has become the ultimate replacement offuses. From the technical point of view the circuit breakers are called MCCBs. The MCCBs stands for molded-case circuit breakers. In order to protect a circuit wiring, the circuit breaker use a two-part system. When a small overload is on the circuit, a thermal strip will heat up and open, or trip, the circuit. When happens the ground fault or short circuit, the big amount of current comes through very quickly. In this situation an electromagnet gives the thermal strip a boost. The greater the amount of trip current, the faster the breaker will trip. When a breaker closes off the circuit, it won't work by simply turning it back on again. Before doing so, you have to throw it all the way to the off position. The electric circuit breaker has one more beneficial feature. Circuit breaker is air-ambient compensated. This means that the hotter the air around circuit breaker gets, the sooner it will trip.
Why Electric Circuit Breakers are better than Fuses: Part 2
There is no need in too much effort in order to reset an electric circuit breaker. And it is definitely the significant advantage of the electric circuit breakers over the fuses. In the situation when the fuse is used, it has to be replaced by a new one every time an appliance draws excessive current. If the circuit breaker is used, there is no need to do this. In addition, standard circuit breakers are worldwide and have clips on the bottom. These clips snap onto the hot-bus tabs in the panel box. The power into the breaker is brought due to the contact with the hot bus. But, you have to be also aware that some manufacturers make breakers with wire clips that mount on the side. These clips slide over the tab on the hot bus. This means that in order for you to get at the one you want, you have to remove one or more of the other breakers.
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