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1
Presentation
This overview describes all the functions offered by
Masterpact NT and NW devices. The two product
families have identical functions implemented using the
same or different components depending on the case.
Circuit breakers and switch-disconnectors page A-2
Ratings:
b
b
Masterpact NT 630 to 1600 A
v
v
Masterpact NW 800 to 6300 A.
v
v
Circuit breakers type N1, H1, H2, H3, L1.
b
b
Switch-disconnectors type NA, HA, HF.
b
b
3 or 4 poles.
b
b
Fixed or drawout versions.
b
b
Option with neutral on the right.
b
b
Protection derating.
b
b
PB100762-60A
Micrologic control units
page A-8
Ammeter A and Energy E
2.0 basic protection
5.0 selective protection
6.0 selective + earth-fault protection
7.0
(1)
selective + earth-leakage protection
Power meter P
5.0 selective protection
6.0 selective + earth-fault protection
7.0 selective + earth-leakage protection
Harmonic meter H
5.0 selective protection
6.0 selective + earth-fault protection
7.0 selective + earth-leakage protection
External sensor for earth-fault protection.
b
b
Rectangular sensor for earth-leakage protection.
b
b
Setting options (long-time rating plug):
b
b
low setting 0.4 to 0.8 x Ir
v
v
high setting 0.8 to 1 x Ir
v
v
without long-time protection.
v
v
External power-supply module.
b
b
Battery module.
b
b
(1)
Only for ammeter A.
DB101123
DB101124
DB127407
Micrologic 5.0E
40
100
%
%
short time
long time
alarm
menu
Power Meter
page A-20
PB106363A35
PB103360
Masterpact equipped with Micrologic 2 /5 / 6 trip units offer type A (ammeter) or E
(energy) metering functions as well as communication. Using Micrologic sensors
and intelligence, Masterpact provides access to measurements of all the main
electrical parameters on the built-in screen, on a dedicated FDM121 display unit or
via the communication system.
Operating assistance
page A-22
Integration of measurement functions provides operators with operating assistance
functions including alarms tripped by user-selected measurement values, time-
stamped event tables and histories, and maintenance indicators.
Switchboard display unit
page A-23
The main measurements can be read on the built-in screen of Micrologic 5 / 6 trip
units. They can also be displayed on the FDM121 switchboard display unit along
with pop-up windows signalling the main alarms.
Portable data acquisition
page A-28
DB124583
Masterpact and GetnSet.
b
b
Communication
page A-30
COM option in Masterpact.
b
b
Masterpact in a communication network.
b
b
General overview
Detailed contents
version: 1.0
207E1050.indd