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AN
NU
NC
IATI
ON
TO
SC
AD
A
INIT
IATE
A/R
BLO
CK
A/R
INIT
IATE
LB
B
MA
IN C
B T
C-1
R,Y
,B-P
HA
SE
MA
IN C
B T
C-2
R,Y
,B-P
HA
SE
CA
RR
IER
SEN
D
DR
TR
IGG
ER
REL
AY
TYPE
FUN
CTI
ON
DEV
ICE
NO
.
DESCRIPTIONx x x x x x LINE DISTANCE PROTECTION- Z1x x x x x LINE DISTANCE PROTECTION- Z2, Z3, Z4(Reverse)x x x x x SOTF (IN-BUILT IN 21)x x x x x x E/F PROTECTION, Iox x A/R UNSUCCESSFULx x x INTER-TRIP RECEIVEx TC-1 SUPERVISIONx x x x x LINE DIFFERENTIAL PROTECTIONx x x x x E/F PROTECTION, Iox TC-2 SUPERVISIONx x LBB PROTECTION (INBUILT IN 87BB)x x x x BUSBAR PROTECTIONx x CB MANUAL TRIP
-
2167N -
87L67N -
7UT633
7SA6126
7SD5226
87BB50BF