Digital circuit breaker MasterPact NW

digital circuit breaker
digital circuit breaker
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Electrical characteristics
low-voltage, high-current
Operating mode
Number of poles
3-pole, 4-pole
Other characteristics
fixed, draw-out
Primary current

Max.: 6,300 A

Min.: 800 A


220 V, 415 V


MasterPact NW circuit breakers are equipped with MicroLogic control units that offer built-in power and energy metering in addition to basic or advanced protection functions. Two sizes are sufficient to cover applications from 800 to 6300 A, with breaking capacity from 42 to 150 kA. The range comes with a wide choice of standardized accessories. The universal design of the MasterPact circuit breaker line allows most accessories to be used across the entire line. It enables standardization of electrical switchboards by providing peace of mind in terms of choice, installation, and operation. Specifications: Voltage rating: up to 1150 V AC 2 physical sizes: 800 to 4000 A, and 4000 A to 6300 A Electronic MicroLogic control units, integrating current, voltage, power and energy metering enabling energy management, earth leakage protection, and other advanced protection or network analysis functions Switch disconnectors version available Optimized range of field-installable auxiliaries and accessories Different offers complying with different international standards: IEC 60947, UL489, ANSI/UL1066 CCC, EAC and other local certifications Compliance with specifications of marine classification companies: 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


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.