| Electric Circuit breaker is a device which is used to | | | | MCCBs. Circuit breaker use a two-part system |
| control electrical power networks by switching | | | | for protecting circuit wiring. When a small overload |
| circuits on, by carrying load and by switching | | | | is on the circuit, a thermal strip will heat up and |
| circuits off under manual or automatic supervision. | | | | open, or trip, the circuit. When massive amount of |
| The role or function of circuit breaker is little | | | | current comes through very quickly, as in ground |
| unusual as they will usually be in the closed | | | | fault or short circuit, an electromagnet gives the |
| position carrying load, or in the open position | | | | thermal strip a boost. The greater the amount of |
| providing electrical isolation. Today, these devices | | | | trip current, the faster the breaker will trip. |
| are often used at residential and industrial | | | | The great benefit circuit breakers have over |
| locations. | | | | fuses is that they can be reset without too much |
| Circuit breakers have the major duty of altering | | | | effort; you don't have to place a new one every |
| one condition to the other only occasionally, and | | | | time an appliance draws excessive current. |
| to execute their special function of closing on to a | | | | Moreover, when a breaker closes off the circuit, it |
| faulty circuit or interrupting short-circuit current | | | | won't work unless you throw it all the way to the |
| only on very rare occasions. Thus, the circuit | | | | off position before you turn it back on again. One |
| breaker you install ( for home or industrial | | | | more feature of electric circuit breaker is that it is |
| purpose) must be reliable in the static situations, | | | | air-ambient compensated— the hotter the air |
| but be effective instantly when they are called on | | | | around them gets, the sooner they will trip. |
| to perform any switching operation, often after | | | | In addition, standard circuit breakers are |
| long periods without movement. | | | | worldwide and have clips on the bottom that snap |
| Today, electric circuit breakers are available in | | | | onto the hot-bus tabs in the panel box. Contact |
| different sizes, from small devices that protect an | | | | with the hot bus brings power into the breaker. |
| individual household appliance up to large | | | | But, you should be also aware that some |
| switchgear designed to protect high voltage | | | | manufacturers make breakers with wire clips that |
| circuits feeding an entire city. They are also made | | | | mount on the side. These clips slide over the tab |
| in different measures to meet different needs | | | | on the hot bus, requiring you to remove one or |
| such as there are home circuit breakers, standard | | | | more of the other breakers to get at the one |
| circuit breakers and industrial circuit breakers etc. | | | | you want. Presently, there are various online |
| Now, circuit breakers have become an ultimate | | | | stores available on the internet that offer home |
| replacement of fuses, in fact considered as the | | | | circuit breakers, industrial circuit breakers and |
| preferred type of circuit protection. Technically, | | | | other types of breakers with detail information. |
| they are called molded-case circuit breakers, or | | | | |