Answer / annonymous

2000-2500kVA......if higher than this rating is used, fault level will increase and LT switchgears with such high fault levels are not easily avaialble in the market.

want happens when a dc is given to a commutator

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why ELCB's are not useful for operation theater equipments ?

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1 Answers  

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How does MCB operate without relay..?

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