GEK-49827
A-C BUS
r]
N 0
T
E: 50 DEVIC� � rF - :r IT -�r--J. Y
TN
IFC52B,-54B AND -788
FEEDER
(+)
D-C TRIP BUS
(+)ALARM
BUS
51-1
131
.
*
TSI
12I- 1415)-1
Sl-t
�
�-·0-
..
� -··0-N
j�
I
ALARM
JR
(
-
)
�
REMOTE
INDICATION
52
TC
*PHASES 2 e
3
AND
NEUTRAL
SA ME AS PHA�E
-l
FIG. 3 (0275Al903-0) EXTE RNAL CONNECTIONS OF FOUR IFC RELAYS USED FOR MULTI-PHASE AND PHASE
TO GROUND FAULT PROTECTION OF A 3-PHASE CIRCUIT.
6
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