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Circuit Breakers and Switches

Check our wide range of circuit breakers and switches designed for routing or interrupting current in the electrical distribution circuit, automatically or manually. From the legendary ComPact molded case circuit breaker (MCCB), to the MasterPact high-current air circuit breaker (ACB), our products offer reliability and performance for your electrical distribution system, providing electrical protection in the event of circuit overload or short circuit.

High Current Air Circuit Breakers

MasterPact air circuit-breakers (ACBs) protect the largest LV lines, carrying currents up to 6300 A. They can be used for source coupling or changeovers. To all high-level electrical professionals, MasterPact sounds like a saga of innovative breakthroughs. Experience full connectivity of the latest generation, Masterpact MTZ, with embedded algorithms enabling ever-higher energy reliability and efficiency.

MasterPact MTZ

MasterPact MTZ

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 designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults. MasterPact MTZ embeds advanced digital technologies and MicroLogic X control units helping to contribute to safety and energy efficiency.

Part of Pact Series
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MasterPact NT

MasterPact NT

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.

Part of Pact Series
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MasterPact NW

MasterPact NW

Circuit breakers to protect lines up to 6300 A. MasterPact NW 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 800 to 6300 A in two different sizes.

Part of Pact Series
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Micrologic electronic control unit embedded in Masterpact NT

MasterPact for Navy

Circuit breakers to protect lines up to 4000 A, certified for Navy applications. 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
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Micrologic electronic control units for Masterpact and Compact NS

MicroLogic

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.

Part of Pact Series
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Masterpact Universal Power Circuit Breakers