Breaker Trips

[TFleig78]

The main breaker is a thermal breaker, so it requires >120A for a good amount of time before it will trip. Same with the 40A breakers. They also need to have > 40A for more than a few seconds in order to trip and reset. So, although there is more than 120A when all of the motors are stalled, this doesn't usually happen for a long enough period of time for the breakers to get hot enough to trip. I believe specific motors have specific breakers that you must use according to the rules, and I believe cims must use 40A breakers.