High Current Air Circuit Breakers

High current air circuit breakers operate in atmospheric air conditions providing overcurrent and short-circuit protection for circuits rated from 800 A to 6300 A, and are used as a feeder and coupler within the electrical distribution system. Schneider Electric MasterPact air circuit breakers integrate monitoring for energy efficiency offering maximum safety. MasterPact ACBs have been designed with easy installation and retrofitting in mind. Featuring powerful MicroLogic control units, MasterPact delivers protection and performance for your electrical distribution system.

Ranges

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 800 to 6300 A in two different sizes.

Part of PacT Series

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Circuit-breakers to protect DC energized lines, up to 4000 A

MasterPact for Direct Current

Circuit-breakers to protect DC energized lines, up to 4000 A MasterPact NW DC is a comprehensive range of air circuit breakers designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults in direct current installations including photovoltaic applications. Embedding MicroLogic DC control unit, it contributes to safety and energy management. The range covers ratings from 1000 to 4000 A in one unique size.

Part of PacT Series

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High current air circuit breakers for Navy applications 630 to 4000A

Masterpact NT - NW Navy

High current air circuit breakers for Navy applications 630 to 4000A MasterPact NT and NW Navy is a range of air circuit breakers designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults, complying with Navy requirements. MicroLogic control units are embedded contributing to safety and energy efficiency. The range covers ratings from 630 to 4000 A in two different sizes.

Part of PacT Series