It’s available now on the S&C website. The IntelliRupter PulseCloser application has been expanded to include a sensitive earth fault time-overcurrent protection element. Users can now plot up to 25 ...

Each motor branch circuit must be protected against short circuit and ground faults by an overcurrent device sized no greater than the percentages listed in Table 430.52. A branch-circuit ...

Exploring low-voltage substation protectionIn Fig. 4, (click here to see Fig. 4) the time-current characteristics that correspond to the ground-fault function settings of the breakers are superimposed ...