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The protective device which will not open the circuit even after 4 h when the current is 1.5 times the excess of the rated current will be ?
The protective device which will not open the circuit even after 4 h when the current is 1.5 times the excess of the rated current will be ?
The protective device which will not open the circuit even after 4 h when the current is 1.5 times the excess of the rated current will be rewirable fuses.