Power Breakers/Air Circuit Breakers

For use on ungrounded systems rated 500 Vdc Insulated case circuit breakers designed for dc voltage systems

LV power circuit breakers from 800 A to 6000 A MasterPacT MTZ offers a complete range with 1 family, 3 frame sizes and multiple ratings 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 NT/NW offers a comprehensive range of circuit breakers designed and tested for applications in accordance to ANSI C37/UL1066 or UL 489 standards.

Micrologic electronic trip units are designed for use in both PowerPact and Masterpact circuit breakers All Micrologic trip units 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.