CHAPTER 2: INSTALLATION
ELECTRICAL INSTALLATION
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
2–7
Electrical installation
Figure 7: Typical wiring diagram
898728.CDR
POWER SUPPLY
B1 A1
B2
+
-
chassis
gnd
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
DIGIT
AL
INPUTS
52a (C1 #1)
52b (C1 #2)
INPUT 3
INPUT 4
INPUT 5
INPUT 6
INPUT 7
INPUT 8
INPUT 9
INPUT 10
ETHERNET
RJ45
mTRJ
10/100 BASE-T
100 BASE-FX
USB
TYPE B
A5
A6
A7
A2
A3
A4
A8
A9
A10
A11
A12
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
V
V
4 WIRE USB
4 WIRE ETHERNET
USB
+
+
F5 F4 F3
-
-
+
+
RS485
IRIG-B
F1
F2
COMMUNICATIONS
+
-
CONTROL
POWER
A B C
FEEDER
BUS Vts
52
E5 D5 E6 D6 E7 D7 E8 D8
I
A
I
A
I
B
I
B
I
C
I
C
I
G
I
G
FEEDER Cts
CO
NN
ECT AUX_VT
AS REQUIRED
VOLTAGE I
N
PUTS
WYE VT
CO
NN
ECTIO
N
E9 D9 E10D10E11D11E12D12
V
A
V
A
V
B
V
B
V
C
V
C
V
X
V
X
7 CRITICAL
FAILURE
RELAY
3 AUXILIARY
4 AUXILIARY
5 AUXILIARY
6 AUXILIARY
2 CLOSE
1 TRIP
OPE
N
DELTA VT CO
NN
ECTIO
N
E9 D9 E10D10 E11D11
OPTIONAL
DIRECTION OF POWER FLOW FOR POSITIVE WATTS
POSITIVE DIRECTION OF LAGGING VARs
Front Panel
Rear Panel
350
Feeder Protection System
52a
52b
Breaker Aux Contacts
C11
C12
COMMON
CHASSIS GND
CURRE
N
T I
N
PUTS
PERSONAL
COMPUTER
OUTPUT CONTACTS
SHOWN WITH NO
CONTROL POWER
TRIP
CIRCUIT
CLOSE
CIRCUIT
TRIP
COIL
CLOSE
COIL
52b
52a
GROUND
BUS
SEE COMMUNICATIONS WIRING
IN INSTRUCTION MANUAL
1A OR 5A
COM
GE Multilin
COM
RS485
GROUND
BUS
F6
GND STUD
