How Does A Circuit Breaker Works Animation
Circuit breaker a circuit breaker is a switching device that interrupts the abnormal or fault current.
How does a circuit breaker works animation. What happens when overload current causes tripping basic parts of mcb and types of miniat. A ground fault occurs when a hot conductor a current carrying wire contacts a grounded item such as a grounded metal electrical box or the grounded case of an appliance or power tool. Sf 6 sulphur hexafluoride gas has excellent dielectric arc quenching chemical and other physical properties which have proved its superiority over other arc quenching mediums such as oil or air. This chamber is connected to sulphur.
One could also witness what happens when a circuit fault occurs and. Unlike a fuse which operates once and then must be replaced a circuit breaker can be reset either manually or automatically to resume. Circuit breakers that are used at the distribution board in houses are called mcbs miniature circuit breakers. This page describes a simple circuit breaker see the next page for the residual current circuit breaker.
How does a circuit breaker work. A circuit breaker does the same thing as a fuse it opens a circuit as soon as current climbs to unsafe levels but you can use it over and over again. The chamber is called the arc interruption chamber which contains the sf6 gas. This video will explain about the working of a circuit breaker clearly with an animation.
The sf6 circuit breaker consists of two main parts. Under normal working conditions circuit breaker work when we switch operator manually from position off to position on. The interrupter unit of sulphur hexafluoride sf6 circuit breaker consists of fixed and moving contacts enclosed in a chamber. The circuit breaker acts as a safety device in the same way as a fuse.
The most important thing that circuit breaker is doing is to safely and reliably switches off electrical circuit during abnormal conditions of a network that means overload condition as well as faulty condition. Take close look about miniature circuit breaker how does it work. Gfci is short for ground fault circuit interrupter. A gfci breaker works like a regular circuit breaker but has an added sensing ability to detect ground faults.
Construction of sf6 circuit breaker. Advertisement the basic circuit breaker consists of a simple switch connected to either a bimetallic strip or an electromagnet. Sulphur hexafluoride sf6 circuit breaker a circuit breaker in which sf 6 under pressure gas is used to extinguish the arc is called sf 6 circuit breaker. The distribution board is also called the consumer unit.