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PresentationNew Masterpact,new levels of performancePB100723-27Five performance levelsN1 - for standard applications with low short-circuit levels.H1 - for industrial sites with high short-circuit levels or installations with twoparallel-connected transformers.H2 - high-performance for heavy industry where very high short-circuits canoccur.H3 - for incoming devices supplying critical applications requiring both highperformance and a high level of discrimination.L1 - for high current-limiting capability and adiscrimination level (37 kA) as yet unequalled byany other circuit breaker of its type; intended forthe protection of cable-type feeders or to raisethe performance level of a switchboard whenthe transformer power rating is increased.PB100722-24PB100735-68Integration in a communications networkMasterpact can be integrated in a general supervision system to optimiseinstallation operation and maintenance. The communication architecture isopen, and may be upgraded for interfacing with any protocol.Switch-disconnector versionsThe switch-disconnectors are derived directly from the circuit breakersand offer the same features and performance levels. They are available inHA, NA and HF versions, depending on the models. The HF versionincludes instantaneous protection to prevent closing on a short-circuit.Once closed, the switch-disconnectors are unprotected and behave likeordinary switches. They are often used for busbar coupling.Special applicationsb 1000 V AC:v Masterpact NW H10 circuit breakers and switch-disconnectors, 800 to4000 A, 3P or 4P, drawout version and H10 circuit breaker performancelevelb DC:v Masterpact NW DC circuit breakers and switch-disconnectors, 1000 to4000 A, fixed and drawout versions and N and H circuit breakerperformance levels (see special DC catalogue no. ART10886)b right-hand neutral:v Masterpact NT630 to 1600 A and NW800 to 6300 A circuit breakers andswitch-disconnectors, 4P, fixed and drawout versions and H1 and H2 circuitbreaker performance levelsb industrial environments with high concentrations of sulphur compounds(standard IEC 721-3-3):v Masterpact NW800 to 4000 A circuit breakers with corrosion protection,drawout version and H2 circuit breaker performance levelb installation earthing:v Masterpact NW earthing switch, compatible with NW800 to 4000 A, 3Por 4P, drawout version with N1, H1, NA and HA performance levels.6
3 frame sizes, 2 familiesMasterpact NT800 to 1600 AThe new range of power circuit breakers includestwo families:b Masterpact NT, the world’s smallest true powercircuit breaker, with ratings from 800 to 1600 Ab Masterpact NW, in two frame sizes, one from800 to 4000 A and the other from 4000 A to6300 A.PB100726-21PB100831-76Masterpact NW800 to 4000 APB100724-33PB100747-764000 to 6300 APB100725-57PB100748-767
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Functionsand characteristicsSource-
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4321selectDigipact DMB3 0ININIUP2co
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Dimensionsand connectionNT06 to NT1
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Dimensionsand connectionNW08 to NW3
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Dimensionsand connectionNW08 to NW3
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Dimensionsand connectionNW40 circui
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Dimensionsand connectionNW40 circui
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Dimensionsand connectionNW40b to NW
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Dimensionsand connectionNW40b to NW
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Dimensionsand connectionNT/NW acces
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Dimensionsand connectionNT/NW exter
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Electrical diagrams Masterpact NT06
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Electrical diagrams Masterpact NW08
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Electrical diagrams Masterpact NT a
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Electrical diagrams Masterpact NT a
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MasterpactInstallation recommendati
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InstallationrecommendationsOperatin
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InstallationrecommendationsInstalla
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InstallationrecommendationsControl
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InstallationrecommendationsPower co
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InstallationrecommendationsBusbar s
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InstallationrecommendationsDerating
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InstallationrecommendationsSubstitu
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MasterpactAdditional characteristic
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AdditionalcharacteristicsTripping c
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AdditionalcharacteristicsLimitation
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MasterpactCatalogue numbers, spare
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Catalogue numbers Retrofit solution
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Catalogue numbers:spare partsMaster
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menuCatalogue numbers:spare partsMa
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Catalogue numbers:spare parts(*) In
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Order form Masterpact NT and NW ord
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