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MasterPact MTZ

Circuit breakers to protect lines up to 6300 A, offering advanced digital features

Part of Pact Series

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.

MasterPact MTZ
  • Features

    The new worldwide benchmark for high current circuit breakers

    Building on the legendary performance and reliability of the Masterpact range, Masterpact MTZ circuit breakers are Future Ready. Incorporating the latest digital and communication technologies, they are key components within Schneider Electric’s Smart Panels, contributing to smart operation, power uptime and energy efficiency.

    Masterpact MTZ circuit breakers connect your electrical switchboard to any building and energy management system.

    A simple smart phone can act as the main HMI to monitor and control Masterpact MTZ, giving you maximum convenience and ease of management, even in the event of a power outage. The Micrologic X control units are customizable with additional digital modules available.

    The standardization of electrical switchboards remains the same with Masterpact MTZ circuit breakers keeping the same size frames, standardized auxiliaries and accessories, providing peace of mind for choice, installation, retrofit and operation.

    Rated current: 800 to 6300 A
    Breaking capacity: 42 to 150 kA at 220/415 V AC
    Voltage rating: up to 1000 V AC
    3 physical sizes:
    Masterpact MTZ1 from 630 to 1600 A;
    Masterpact MTZ2 from 800 to 4000 A;
    Masterpact MTZ3 from 4000 to 6300 A
    Draw out and fixed mount
    3 pole and 4 pole construction
    Optimized selection of 4 advanced Micrologic X control units integrating current, voltage, power and energy metering, enabling earth leakage protection, and customizable with digital modules for advanced protection, measurement, energy management and network analysis functions
    Built-in Class 1 accuracy active power and energy measurement
    Switch disconnectors version availableOptimized range of field-installable auxiliaries and accessories
    Different offers complying with international standards: IEC 60947, UL489, ANSI/UL1066
    CCC, EAC and other local certification
    sCompliance with specifications of marine classification companies: Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas, etc.


    • Circuit breaker Masterpact MTZ2 with EIFE Embedded ethernet module
    • Control unit Micrologic 5.0 X for Masterpact MTZ
    • Circuit breaker Masterpact MTZ2 and Chassis
    • Circuit breaker Masterpact MTZ2 with EIFE Embedded ethernet module and connection
    • EIFE Embedded ethernet module with accessories  kit for MASTERPACT MTZ2/3 Drawout

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