Welcome to the Schneider Electric Website

Welcome to our website.

You can choose another country to view available products or go to our Global website for company information.

Choose another country or region

     

    Masterpact NW

    High current air circuit breakers up to 6300 A in two frame sizes

    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.

    Masterpact NW
    • Features

      • Nominal current: 800 to 6300 A
      • Breaking performance: 42 to 150 kA at 220/415 V AC
      • Voltage rating: up to 1000 V
      • 2 physical sizes from 800 to 6300 A
      • 2 pole pitches of 115 and 230 mm
      • 3- and 4-pole versions
      • 5 types of Micrologic control units with added measurement, energy-management and network-analysis functions
      • Earth leakage protection built into the control unit
      • Wide range of common auxiliaries and accessories interchangeable on site
      • Compliance with international standards IEC 60947-1 and 2, IEC 68230 for type 2 tropicalization, UL489 and ANSI/UL1066
      • CCC and GOST certifications
      • Compliance with specifications of marine classification bodies: Bureau Veritas, Lloyd’s Register of Shipping, Det Norske Veritas, etc.
         


      Micrologic control unit specifications:

      • 4 levels of protection against overloads and short circuits: 2.0 (LI), 5.0(LSI), 6.0(LSIG), 7.0 (LSIV, built-in earth leakage protection)
      • 4 types of measurement: A (Ammeter), E (Energy), P (Power), and H (Harmonics)
      • Energy reduction maintenance setting (ERMS) function available for arc flash protection for Micrologic P and Micrologic H
      • Measurement accuracy: Class 0.5 for voltage, Class 1.5 for current, and Class 2 for active power and energy
      • Compatible with both Ethernet and Modbus SL protocol
      • Operating assistance to diagnose tripping cause and maintenance information

      Benefits

      Masterpact NW 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 into power monitoring systems enabling to track energy consumption trends, anticipate potential damage and improve network reliability
      • 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: energy consumption data, operation follow-up, network monitoring, preventative and predictive maintenance information, pre-alarm and alarm events

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

      Applications

      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

      • Photovoltaic and DC networks (Masterpact NW DC & DC PV)
      • Corrosive industrial environments (special versions)
      • Mining industry (special 1000V versions)
      • High short-circuit current limiting (ultra-rapid Masterpact UR)
      • Navy (Masterpact NT and NW Navy)
      • UL 489 (Masterpact NT and NW 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.)