MCB Short circuit amp Overload Mechanism Lets see inside

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MCB - Miniature circuit breakers (MCB) use air alone to extinguish the arc. These circuit breakers contain so-called arc chutes, a stack of mutually insulated parallel metal plates which divide and cool the arc. By splitting the arc into smaller arcs the arc is cooled down while the arc voltage is increased and serves as an additional impedance which limits the current through the circuit breaker. The current-carrying parts near the contacts provide easy deflection of the arc into the arc chutes by a magnetic force of a current path, although magnetic blowout coils or permanent magnets could also deflect the arc into the arc chute (used on circuit breakers for higher ratings).So The number of plates in the arc chute is dependent on the short-circuit rating and nominal voltage of the circuit breaker. • Facebook Page - / letsseeinsideofficial • Business enquiries:- [email protected] • Other Videos - • DIY Auto cut off 12 volt battery charging when Full - • DIY Auto cut off 12 volt battery char... • Correct vs Incorrect Electric board Wire - • Correct vs Incorrect Electric board Wire • What's inside Relay, Relay working in hindi - • What's inside Relay, Relay working in... • How to check earthing working 10%-90% - • How to Check Earthing is Provided or ... • Why is earthing necessary for electrical appliances? - • Video

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