What are Circuit breakers?
When there is too much electricity flowing through the electrical wiring of a home or building, circuit breakers are meant to cut the power until the issue is resolved. Without circuit breakers, electrical systems would be impractical because of the potential fires and other issues resulting from simple wiring problems and equipment failures.
Types of Circuit Breakers
When referring to single phase electrical systems, there are only three types of circuit breakers: standard, AFCI circuit breakers, and GFCI breakers. When dealing with factories, workshops, commercial facilities, they more than likely will have a three phase system with a three pole circuit breaker.
Single and Double Pole Breaker
A single Pole Breaker has terminals for three wires, two of these wires are known as hot wires.The third wire would be called the neutral wire. Each wire would need it’s own breaker, but if one is utilized the other must cut its circuit as well, otherwise the other wire is still holding an electric current. This is when the double pole breaker comes into play. The double pole breaker has terminals for four wires and is twice the width of a single pole breaker.
Three Pole Breaker
These breakers again are mostly found in large commercial buildings on a three phase electrical system. These breakers deliver its voltage through three hot wires. The three pole breaker also needs three separate switches that will collaborate when needed. Essentially, it is three single pole breakers combined. The three pole breaker also has terminals for five wires and is three times the size of a single pole breaker.
Circuit breakers are necessary in every electrical circuit. It is always important to use the correct breaker for the electrical circuit you are working on. We must always be cautious when dealing with electricity and to also turn off the breaker before starting any electrical work