a few necessary features to look for such as voltage class, current rating, tripping

method, tripping characteristics, and short circuit protection capabilities. The current

rating is maximum current allowed to flow to the load. A circuit breakers’ short circuit

breaking capacity will be much higher than its current rating, and indicates how much

fault current the circuit breaker can safely interrupt and switch to an off position in

the case of a short circuit. Improper sizing of a circuit breaker could result in nuisance

tripping, or in the case of an improper short circuit withstand rating, fault current could

jump the internal contacts of a breaker, causing catastrophic failure. To find out more about

circuit breakers, check out our other videos on Galco TV.