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Schneider Electric Egypt×
Circuit-breaker tripping by an MN release meets the requirements of standard IEC 60947-2.
Automatic opening of the circuit breaker is ensured when the continuous voltage supply to the release U y 0.35 x Un.
If the supply voltage is between 0.35 and 0.7 Un, opening is possible, but not
guaranteed. Above 0.7 Un, opening does not take place.