What Do Symmetrical, Asymmetrical, Momentary, Interrupting, Close & Latch Ratings Mean?

These terms were coined over a time period to identify the appropriate short circuit current magnitude that engineers could use to size the switchgears, switchboards, panelboards, and the circuit breakers.

What Do Symmetrical, Asymmetrical, Momentary, Interrupting, Close & Latch Ratings Mean? Read More »