The electric breaker has become a virtual electric device in the modern world due to its safety features. When too much electricity flows through a building’s electrical wiring, these modest gadgets shut the power until the problem is rectified. Household power would be impractical without an electric breaker (or fuses) due to the risk of fires and other mayhem caused by simple wiring issues and equipment failures.
This article will explain how electric breakers and fuses monitor electrical current and shut off power when current levels become too high. As we’ll see, the electric breaker is an astonishingly simple solution to a potentially fatal problem.
What Is an Electric Breaker?
Anelectric breaker is a type of electrical switch that protects a circuit by heating up and cutting power when current levels exceed safe limits and pose a hazard. This helps to avoid damage, injury, and even fire! There are many different types of electric breakers, and the features vary depending on the design criteria and requirements.
Short circuits and overload are situations where anelectric breaker can provide protection. As previously mentioned, a circuit overload can occur when too many appliances or power tools are hooked into one circuit. A short circuit occurs when electricity flows in an unexpected direction.
The Electric breaker, wire, and even wire insulation are all meant to function as a system—and that system has limitations. When you try to put more current into a circuit designed, strange things happen (Fig. B). Under the strain of carrying the extra electricity, the wires heat up. When this occurs, the insulation around the wire can deteriorate or even melt. When the insulation melts, the current within the wire is no longer restricted. That is when fires begin. Fortunately, the circuit breaker detects the excessive current and “trips” to interrupt the power flow before any damage happens.
Structure Of an Electric Breaker
Electric breakers are rated according to the amount of current they can safely carry and interrupt. There are several types of circuit breakers, but they all have these components in common.
The frame is an electric breaker’s exterior shell, often formed of molded insulating materials. If a hazard arises, this protects the components on the inside as well as everything on the outside of the breaker.
The terminal is a metal block with a bolt protruding from the outside. Wires are attached here that transport electrical current from the power supply through the breaker to a load.
The trip unit is attached to the lever (switch), which allows a breaker to turn on or off. When a circuit breaker trips, the lever is positioned in the center to quickly determine which ones need attention.
Contacts are two metal parts that slide to seal or open (interrupt) the circuit. One contact is connected to the actuator mechanism, and the other to the main panel.
Types Of Circuit Breakers
There are various circuit breakers on the market, but they all operate on the same basic concept, as previously discussed.The primary distinction between the models is the mechanism employed to activate the separation of the moving contacts and control the electric arc formation.
- Molded- Case Circuit Breaker
- Vacuum Circuit Breaker
- Air Circuit Breaker
- Oil Circuit Breakers
- Sulfur Hexafluoride Circuit Breaker
Reach Out to Experts inElectric Field
Technical work should be left to the professionals. Your circuit breaker box is not as straightforward as your other household appliances. The multiple wires, breakers, and voltage options in your electric box might cause serious harm if you mess with them, especially if you’re trying to create a workaround for often tripping breakers. So, if you suspect a problem with your electric breaker box, have it inspected by a professional.