GEI-Hi957
Time
Overcu.rrent Relays Type
lAC
l-C
BI..S
'tOT(; PC•ER
DIRECT 10Nlll �h.AY ...
PERAlES
NOT£;:
T(ST
EACH
PHASE OF POWER
.-,'i[N
CIO�(� i=LJWS
,
,.
OJI;l£CTIC�
OIRECTIOJrtAL
RE.LA'l'
Jf
AJtR,····
SEPAIUTELY
TC INSURE
ECLR!<iH CONhECT!JNS
PROPEQ'
DIRECTJCN
OF
TORQufl.
PHASE
S£QUENCE
1-2-3
A-C 8US
��:o����£ r5E��!�CE
INDICATEC
,_TERCM .. GE
"0 9.
WOUfiD
SttADING
COILS
NOTE� POWER DIRECTI:>HAL
REL
A
Y
HOT£: TEST
EACH
PHASE
OF" F"CWER OJRECTIOIUI
OP(IUT(S
WHEN POfER
FlOWS
RNAY SEP.IIATE LY
TO
1 HSURE P'RO?ER
1H
D/Rt:CTION
OF ARROW
DIRECTION
OF
TORQUE.
�•TrllW.&.I r-nli
..
rrTtnwo:
?iz.
l
(K-6154168-5)
Typical External Connections
For Three T��e IAC60A Relays Used In Conjunction With
One TYPe CAP15A And
Two
Type HGA Relays For Direc
tional Overcurrent Protection Of A Line
Fig.
2
(K-6400340-3)
Typical External Connections
For One Type IAC60J Relay Used In Conjunction With
One TYPe CAP15A And Two Type HGA Relays For Direc
tional Overcurrent Protection Of A Line
4
DEVICE FUNCTION NUMBERS FOR
USE WITH FIG.
1
AND FIG.
2
50
- Instantaneous Element
51
- Time-Overcurrent
Relay, Type
lAC
52
- Power Circuit Breaker
67
-
A-C Power Directional Relay,
Type CAP15A
67X
-
Auxiliary Relay, Type HGA
SI
- Seal-In, with Target
TC
- Trip Coil
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