There are three common types of circuit breakers. The basic parts of a circuit breaker are the switch and a moving, conductive contact plate that moves the switch when electricity comes into contact with it. In the circuit box the contact plate is connected to a stationary plate that allows electricity to flow; but if the circuit is overloaded the contact plate will force the switch to flip and break the electrical flow.
A magnetic circuit breaker uses electromagnetism to break the circuit. The electromagnet on this circuit breaker gets stronger with the flow of electricity. When the electrical load exceeds the prescribed currency the electromagnet will be powerful enough to force the circuit breaker lever down and move the contact plate which flips the switch.
Another kind of circuit breaker is the thermal circuit breaker which uses heat to break the circuit. With a bimetallic strip (two types of metal; one on each side) this circuit breaker responds to the extreme heat of the electrical current. Each type of metal expands differently to bend the strip. When the electricity is too strong then the strip is bent at an angle which will turn over the contact plate and break the circuit.
The third type of circuit breaker combines electromagnetism and heat. This device has an electromagnet that protects against sudden surges in the electrical load and a bimetallic strip that protects against prolonged electrical overload and overheating.
When purchasing circuit breakers for your home you will need to discuss your options with your electrician and select the best type of circuit breaker Need link for your needs. You can find a large selection of circuit breakers by visiting https://www.relectric.com.
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