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MCB Changeover manually switching to an alternate source power supply MCB Changeover Switch usage in industries & domestic area especially for use in low voltage distribution circuits. MCB switchover switches are used tshift from one source to another source and vice-versa.
The changeover switch comes in 2P and 4P versions. It has three positions(I-O-II) with centre-off. They are switch disconnectors with the independent manual. They operation, capable of making, carrying and breaking currents under normal circuit conditions.