Square D NC Series circuit breakers are ideal for use with panelboards and loadcentres for protecting electrical circuits from short-circuit and current overload conditions. They come integrated with I-Line style plug-in mounting facility for ease-of-installation and are also suitable for reverse-feed applications. The molded cases of these devices hold the current-carrying components, trip devices and other mechanisms within a compact space. These breakers, with 3-pole construction, are capable of delivering a maximum interrupting capacity of 100kA at 480V and adheres to UL, CSA and IEC standards. Choose from a wide range of these NC Series circuit breakers, available in current ratings ranging from 1000 to 1200A on Raptor Supplies.