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State the usuage for SDE and SDV Add on Auxiliary contacts used with NSX MCCB ?

- SDE: it is a fault indication contact that gives output signal when the NSX breaker trips due to a fault (not normal opening) to indicate short circuit or overload fault occurence

- SDV: it is an earth leakage indication contact, it can not be installaed unless the NSX MCCB contains Vigi Module for earth leakage protection, it gives output signal in case breaker trips due to earth leakage fault
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