why two contacts(in series) are using in closing circuit

Question Posted / janairoad

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why two contacts(in series) are using in closing circuit..

Answer / janairoad

Control circuit

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why two contacts(in series) are using in closing circuit..

Answer / ankit

to control the closed circuit..

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why two contacts(in series) are using in closing circuit..

Answer / k.prakashchandra

You mean 2 contacts are made in series in a MCB? That is to
make doubly sure of opening the circuit.If parallel ,it is
to make closing doubly sure ,as you can expect one of the
contacts to open or close definitely .

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