
How do I calculate amps Interrupting current (AIC) on an
Sep 27, 2009I know the load amps are 40 amps, the circuit breaker at the panel is 40 amps, and it is rated 25 ka for 480 volts, what I'm searching for is what is the minimum interrupting current on the circuit from the panel to the VFD (Variable Frequency drive).. The situation is I have two different VFD's, one ABB rated 100 ka, and the other is a Danffos rated only 5ka of rms, so I need to find