GE Multilin 350 Series

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
DIGITAL 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
F1F2
COMMUNICATIONS
+
-
CONTROL
POWER
ABC
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
CONNECT AUX_VT
AS REQUIRED
VOLT AGE INPUTS
WYE VT
CONNECTION
E9
D9
E10
D10
E11
D11
E12
D12
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
2CLOSE
1TRIP
OPEN DELTA VT CONNECTION
E9 D9 E10D10 E11 D11
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
CURRENTINPUTS
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
Courtesy of NationalSwitchgear.com