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.

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.

Circuit breakers to protect lines up to 1600 A, in a compact frame MasterPact NT is a comprehensive range of air circuit breakers designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults. Embedding MicroLogic control units, it contributes to safety and energy efficiency. The range covers ratings from 630 to 1600 A in one unique compact size.

Circuit-Breakers from 800 to 6300A Circuit-Breakers from 800 to 6300 A

High current air circuit breakers 630A to 4000A High current air circuit breaker Navy from 630 to 4000A

Electronic control units for Masterpact NT/NW /UR and for ComPact NS Micrologic control units offer enhanced electronic circuit protection with comprehensive, integrated measurement, preventive and predictive maintenance. Micrologic control units are designed for use in both Compact NS and Masterpact NT, NW and UR circuit breakers to cover ratings up to 6300 A.