B. Do Breakers Have A History Of Inherent Nuisance Tripping
Problems In Motor Circuits?
Most nuisance tripping problems of the past can be traced
back to changes in motor designs and requirements in the
National Electrical Code [11]. One of the application issues
that has emerged in the past 5 years is the use of MCCBs in
motor protection circuits feeding high-efficiency motors.
Common practice in applying circuit breakers to motor circuits