ProductsSMC PANASONIC Schneider Contactors and Reversing contactors Thermal Overload Relays Electronic Thermal Overload Relays Electronic Over Current Relays Motor Starters MCCB ACB MCB Button/Sensor/Safety Inverter PLC HMI PVC plate HP APC EOCR Automatic Fire Fighting Equipment View ClassificationHigh current air circuit breakers Product Name Series NameMasterpact NW Contents ∎ CharacteristicMasterpact NWHigh current air circuit breakers from 800 to 6300 AFeatures 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. Benefits The worldwide benchmark for high-current circuit-breakersThe Masterpact NW circuit-breaker range features optimised dimensions: not only is it more compact, but even better two sizes are sufficient to cover requirements from 4000 to 6300 A.At a time when installations are becoming increasingly complex, Masterpact NW enables standardisation of electrical switchboards by providing unrivalled simplicity in terms of both choice and installation. Applications General ApplicationsProtection, measurement and communication of LV electrical networks Generator protection Motor protection Special applicationsDC networks Protection of installations in highly corrosive industrial environments Mines (special 1000V version of NW) Navy Earthing switch High short-circuit current limiting (ultra-rapid Masterpact UR) ∎ Attachments Tag List