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D-6
Compact NS1600b to 3200
Fixed circuit breakers
The diagram is shown with circuits de-energised,
all devices open, connected and charged and relays
in the normal position.
MN
:
undervoltage release
or
MX
:
shunt release
–: basic Micrologic control unit.
A
: digital ammeter.
Power
Control unit
Remote operation
DB128390
Power
Upstream cb Downstream cb
24 V DC
Q
Micrologic
M1
M2
T3
F2+
T2
T1/M3
T4/F1
Z1
Z2
Z3
Z4
Z5
Z1
Z2
Z3
Z4
Z5
Z1
Z2
Z3
Z4
Z5
L2 L3
L1 N
DB128391
or
AT
MN MX
D2
C2
D1
1C
– (basic)
A E Control unit
Remote operation
b
b b
E1-E6 communication
b b
Z1-Z5 zone selective interlocking:
Z1 = ZSI OUT SOURCE
Z2 = ZSI OUT ; Z3 = ZSI IN SOURCE
Z4 = ZSI IN ST (short time)
Z5 = ZSI IN GF (earth fault)
M1 = Vigi module input (Micrologic 7)
b b
T1, T2, T3, T4 = external neutral;
M2, M3 = Vigi module input
(Micrologic 7)
b b
F2+, F1- external 24 V DC power
supply
Electrical diagrams