24 – 10
available
– not
available
O
optional
WL Circuit Breaker
Function overview of the electronic trip units
6
7
7
U
T
E
8
4
7
U
T
E
s
n
o
i
t
c
n
u
F
c
i
s
a
B
Parameter sets
Selectable between
parameter set A and B
–
LCD
LCD, alphanumeric (4-line)
O
–
–
c
i
h
p
a
r
g
,
D
C
L
Communication
CubicleBUS integrated
Communication capability via
MODBUS or PROFIBUS
Metering function
Metering function capability with
Metering Function or
Metering Function PLUS
Display by LED
Trip unit active
Alarm
ETU error
L trip
S trip
-
p
i
r
t
I
N trip
G trip
(only with ground fault module)
(only with ground fault module)
G alarm
(only with ground fault module)
(only with ground fault module)
Tripped by extended protection or
protective relay function
Communication
Signal contacts with external CubicleBUS modules
(opto or relay)
Overcurrent warning
Load shedding OFF/ON
Early signal of long time trip (200ms)
Temperature alarm
Phase unbalance
Instantaneous trip
Short-time trip
Long-time trip
Neutral conductor trip
Ground fault protection trip
(only with ground fault module)
(only with ground fault module)
Ground fault alarm
(only with ground fault module)
(only with ground fault module)
Auxiliary relay
ETU error
Protective Relaying
Pick-up Accuracy
Phase Unbalance (I)
2% (5…50% I
n
)
Phase Unbalance (V)
2% (5…50% V
n
)
THD (I)
+/- 3% (80…120% V
n
)
THD (V)
+/- 3% (80…120% V
n
)
Overvoltage
+/- 2% (80…120% V
n
)
Undervoltage
+/- 2% (80…120% V
n
)
Under/Over Fre/- 0.1 Hz
Metering and Protective Relaying Accuracies
Metering Values
Accuracy
(I) at 1 x I
n
+/- 1%
(V) at 1 x V
n
+/- 0.5%
(P) at 1x I
n
+/- 3%
(S) at 1 x I
n
+/- 2%
(Q) at 1 x I
n
+/- 3%
-
Содержание UL 1066
Страница 43: ...6 12 7 Reset reclosing lockout 8 Charge closing spring 9 Switch ON Frame size II Frame size III 9X ...
Страница 56: ...7 5 7 2 Frame size II fused ...
Страница 58: ...7 7 ...
Страница 63: ...7 12 8 27 210 0 8 27 210 0 8 27 210 0 3 75 95 2 ...
Страница 64: ...7 13 ...
Страница 65: ...7 14 7 7 Frame size III fuse carriage ...
Страница 66: ...7 15 ...
Страница 69: ...7 18 7 9 External sensor for neutral conductor WLNCT2 ...
Страница 70: ...7 19 WLNCT3 ...
Страница 85: ...9 5 I tripping Ground fault tripping ...
Страница 231: ...15 12 Pre assembling the locking module Installing 0767 1 2 3 4 6 5 ...
Страница 232: ...15 13 1 Socket head cap screw M5 with washer and nut 7 8 Size 4 5 Nm 45 lb in ...
Страница 271: ...19 10 Function check Then Fit back front panel and side cover on the right if it was removed page 23 4 10 ...
Страница 280: ...21 2 Installing the door sealing frame Not for use with fuse carriages Catalog No Door sealing frame WLDSF 1 2 3 NOTICE ...
Страница 289: ...23 7 23 3 3 Installing arc chutes 1 2 6 5 PH 2 0043 02 3 4 5 6 For frame size III 3 PH 2 ...
Страница 298: ...23 16 6 7 8 9 5 2 1 Size 5 mm ...
Страница 333: ......