8
DC TR I P BUS
--L
86
T
I
I
I
�
'----y--/
TO
Pll.
PH.
BREAKER
2
J
TR I P
C O l LS
DE V I CE NUMBER CHART
87 - PERCEN TAGE D I FFEREN T I AL RELAY , TYPE CA-6
ICS - I M D I CA T I N u CONTACTOR SW I TCH
OP - OPERA T I N G CO I L
R - PA I RED R ESTRA I N T CO I L
(
TOP FRONT ELEMENT
)
S - PA I RE D RESTRA I N T CO I L
(
BOTTOM REAR ELEMENT
)
T - PA I RE D RESTRA I N T CO I L
(
BOTTOM FRONT ELEMENT
)
lM
TYPE
CA-6
RELAY
86 - AiJX I L I AI!Y Til l PP I N G RELAY , T Y PE WL
NOTE - SU F F I X
I
DENOTES RELAY NO. I
AND SUFF I X
JI
DENOTES RELAY N0· 2
Fig.
9.
External Schematic of Two Sets of Type CA-6 Relays for Eight Circuit B us Protection.
288B84 5
1
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