Insulated Case Circuit Breakers -

For use on ungrounded systems rated 500 Vdc Designed to protect electrical systems from damage caused by short circuits

800 A to 6000 A The CSA / UL Listed Masterpact® NT and NW Circuit Breakers are designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults.

LV power circuit breakers from 800 A to 6000 A Masterpact MTZ circuit breakers prepare you for the future of power distribution with smart connectivity, remote monitoring, easy customization via digital modules.

Control Units for PowerPact™ P, R, and Masterpact NT, NW Provide impeccable, electronic circuit protection with adjustable protection settings for maximum system coordination and flexibility. Sophisticated functionality, such as energy and power quality metering capabilities, is integrated in the more advanced trip units.