Electric Circuit Breaker: Functions and Sizes
The major duty of circuit breakers is to change the condition of circuit in the certain situations. The special functions of circuit breakers are the closing on to a faulty circuit and the interrupting short-circuit current. As the matter of fact, the execution of these special functions happens only on very rare occasions.
According to this, the circuit breaker, no matter either it is installed for industrial purpose or for home purpose, has to be reliable in the static situations. At the same time, when the situation requires performing of any switching operation, the circuit breaker has to be effective instantly. And it doesn’t matter how long the circuit breaker didn’t move. Modern electric circuit breakers are available in different sizes for different situations. There are circuit breakers in the form of small electrical devices that are used to protect an individual household appliance. And at the same time there are the ones in the form of large switchgears that are used in order to protect high voltage circuits that feed an entire city.
Created by http://midlandelectricsupply.com, Original in http://blog.midlandelectricsupply.com