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Circuit Breakers and Switches

Explore circuit breakers, the foundation of safe power distributions and the main protection from electrically-caused fires. Protect each line carrying energy or supplying appliances by choosing the correct sized circuit breaker, that will automatically disconnect in the event of a short circuit, or a cable overload. Add switches, to enable manual on-offs or disconnection for maintenance, and transfer switches to connect backup energy sources.

High Current Air Circuit Breakers

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 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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Molded Case Circuit Breakers

The comprehensive, optimized ComPACT NSX range covers your protection needs and now comes in a smaller size, and with integrated earth leakage protection. The range combines intelligent metering and monitoring, along with advanced protective functions. It offers more advanced functions and ergonomic designs for easy installation and operations.

Compact NSX molded case circuit breakers (MCCB) 250 H 4P with Micrologic Vigi 7.2 E

ComPact NSX

Circuit-breakers, to protect lines carrying up to 630A. Compact NSX is a full range of high performance molded case circuit breakers (MCCB) in 2 frame sizes designed to meet your needs from thermal-magnetic to advanced Micrologic trip units. This range will soon feature integrated earth leakage protection.
Part of Pact Series
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ComPacT NSxm new generation