Switch Gear
The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be

100 A
300 A
200 A
more than 1000 A

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Switch Gear
A switchgear is device used for

switching, controlling and protecting the electrical circuit and equipment
interrupting an electrical circuit
switching and controlling an electrical circuit
switching an electrical circuit 111

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