The contacts are made of arc resistance material having low resistivity and corrosion. These plates are made of ferromagnetic material.Ĭontacts are the metallic conductors that are responsible for carrying the current to the load. it is also known as an arc divider or arc splitter. it helps in extinguishing the arc by splitting the arc and lengthening it. It is available in rating up to 2500 Amps and 1.1 kV.Īrc chute is a set of parallel metal plates that are mutually insulated from each other. MCCB is used to protect the low voltage distribution system. ELCB (Earth Leakage Circuit Breaker) – Construction, Types & Working.MCB (Miniature Circuit Breaker) – Construction, Working, Types and Applications.its current settings and time settings can be adjusted according to our needs. However, it offers extra features that make it a superior circuit breaker such as remote closing and adjustable trip settings i.e. It is an advanced version of miniature circuit breaker MCB since it operates like one. It is a type of circuit breaker that protects the circuit from overloading, short circuit and current surges. Molded Case Circuit Breaker or MCCB is an automatic electrical device. Construction of Molded Case Circuit Breaker.
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