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    Masterpact NT

    High current air circuit breakers up to 1600 A in a unique compact size

    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.

    Masterpact NT
    • Features

      • Nominal current: 630 to 1600 A
      • Breaking performance: 42 to 150 kA at 220/415 V AC
      • Voltage rating: up to 690 V
      • 1 single physical size from 630 to 1600 A
      • A single pole pitch of 70 mm
      • 3 and 4-pole versions
      • 5 Micrologic control units enriched by measurement, energy management and network analysis functions
      • Earth leakage protection built into electronic protection
      • Wide range of common auxiliaries and accessories interchangeable on site
      • Compliance with international standards IEC 60947-1 and 2, IEC 68230 for type 2 tropicalisation, UL489, ANSI and CCC
      • Compliance with specifications of marine classification companies: Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas, etc.


      Masterpact NT circuit breakers contribute to reliability and continuity of service of your electrical installation thanks to:


      Optimized safety

      • Faultless protection
      • Increased uptime with improved coordination with Micrologic electronic trip unit adjustability
      • Complete selectivity and coordination
      • High resistance to environmental stresses

      Integrated monitoring for energy efficiency

      • Improved uptime with complete monitoring solution in Smart Panels
      • Seamless integration enabling users access to circuit breakers data in real time with a mobile device or a PC
      • Local and remote communication with trip cause (earth leakage, overload, short-circuit) and alarms (earth leakage, overload) allowing proactive operational and energy efficiency
      • Advanced Micrologic control unit can assist in providing corrective, preventive and predictive maintenance and energy management to identify potential savings

      Seamless installation

      • Compactness
      • Standardized range of auxiliaries and accessories
      • Wide range of online and offline software tools that improve productivity at all stages of your project (Ecoreal, Ecodial, MyPact, Ecoreach)


      Masterpact NT is a part of EcoStruxure™ Power – Schneider Electric’s open, interoperable, IoT-enabled system architecture.


      General applications in all types of low voltage electrical installations

      Suitable in most applications for protection, measurement, monitoring and quality of energy, including generator protection and motor protection, in standard applications and specific applications demanding high performance, including:

      • Industry: mining operations, minerals, metals, and cement production, water & wastewater industry, automotive, food and beverage, etc.
      • Oil & Gas extraction and processing, Chemicals industries
      • Data centers infrastructure
      • Healthcare infrastructure, hospitals
      • Marine and offshore industry
      • Infrastructures: airports, railways, subways, tunnels, power plants, etc.
      • Buildings: commercial buildings, hotels, offices
      • Wind turbines, solar, gensets

      Special applications

      • Navy (Masterpact NW & NT Navy)
      • UL 489 (Masterpact NW & NT UL 489 listed)
      • Source-changeover systems (Transferpact): service sector (hospital operating rooms, computer rooms, etc.), industry (assembly lines, ship engine rooms, etc.), infrastructures (runway, railway, etc.)


      • Micrologic control units for Masterpact range