High Current Air Circuit Breakers

Insulated Case Circuit Breakers -

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

Reliable and high-performance circuit breakers to protect lines up to 6300 A Air circuit breakers setting new benchmarks for safety, efficiency, and sustainability ; helping to meet your daily challenges such as 24/7 uptime demands, and spiraling energy costs in an electrically-driven and digitized world.

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.

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.

UL Listed Masterpact Circuit Breakers Available in NT series up to 1600A and in NW series up to 6000A

Circuit breakers to protect lines up to 6300 A, offering advanced digital features Future Ready ! MasterPact MTZ is a comprehensive range of air circuit breakers, to protect from damage caused by overloads, short-circuits or insulation faults. MasterPact MTZ embeds advanced digital technologies, through MicroLogic X control units, and thus contributes to maximum maintenance and energy efficiencies.