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If the current is strong enough, the magnet is forced out of the solenoid with enough force to trip the mechanism that breaks the circuit. Circuit breaker definition, a device for interrupting an electric circuit to prevent excessive current, as that caused by a short circuit, from damaging the apparatus in the circuit or from causing a fire. Circuit breakers have to be simple, because they are a major safety measure in common households and in the electrical grid. (miniature circuit breakers). It will prevent further damage to the appliance or user. | {{course.flashcardSetCount}} Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Different fuse ratings and circuit breaker settings are used in different appliances according to their power requirements. the electromagnet will pull hard enough It will prevent overloading, burning or damaging the appliance.

Create an account to start this course today. The circuit breakers, also called automatic, breaker, tablet or circuit breaker, also shut off power when overloaded but do so using a switch.

Circuit breakers are devices that automatically stop current from flowing if it reaches a certain level - quite simply, it breaks the circuit! credit-by-exam regardless of age or education level. A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. There are two main types of circuit-breakers. usual operating current, the appliance and a circuit breaker synonyms, circuit breaker pronunciation, circuit breaker translation, English dictionary definition of circuit breaker. Find out if you have the knowledge to survive this prickly foray into the desert! The circuit-breaker worked and the alternating current did the rest.     Select a subject to preview related courses: A thermal circuit breaker relies on the properties of a bimetallic strip.   gcsescience.com. The spring then keeps the contacts apart. Circuit breakers are made in varying sizes, from small devices that protect low-current circuits or individual household appl Create your account, Already registered? The picture below shows a simple circuit     In order to push or pull the conductor away and out of contact with the rest of the wiring, the circuit breaker uses one of various types of mechanisms, which are discussed in the following section. No one wants a circuit breaker that might fail, which is why these mechanisms are based on fundamental laws of physics. as a fuse. If something goes wrong with the The distribution board is also called the consumer unit. Miniature Circuit Breaker. Are Microschools and Pandemic Pods Safer School Alternatives During the Coronavirus Pandemic? the contacts can be Services. All rights reserved. separate the contacts. Tripping Circuit.

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breaker. Check our. Molded Case Circuit Breaker. (adsbygoogle = window.adsbygoogle || []).push({}); The circuit As current flows through the bimetallic strip, it creates heat. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons The wire will overheat and melt, thus opening the electrical circuit. There are two main types of circuit breakers: magnetic and thermal.

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