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ELECTRICAL INSTALLATION
Typical Wiring Diagrams
C
A
A
B
C
B
Breaker Aux Contacts
USB
4 WIRE USB
4 WIRE ETHERNET
896729A1.CDR
2–12
Figure 2-14: Typical Wiring Diagram - Drawout - Input/Output Option "E"
WYE VT
CONNECTION
E9 D9 E10D10E11D11
V
V
V
V
V
V
A
A
C
B
B
C
VOLTAGE INPUTS
52a
C1
52a
52b
C2
52b
339
C3
INPUT 3
Motor Protection System
C4
INPUT 4
H
C5
INPUT 5
C6
INPUT 6
L
C7
INPUT 7
C8
INPUT 8
C9
INPUT 9
C10
INPUT 10
C11
COMMON
C12
CHASSIS GND
+
DC
Front Panel
USB
TYPE B
Rear Panel
ETHERNET
RJ45
MTRJ
10/100 BASE-T 100 BASE-FX
OPTIONAL
OPEN DELTA VT CONNECTION
E9 D9 E10D10 E11 D11
E5 D5 E6 D6 E7 D7 E8 D8
E12 D12
1A/5A
COM
1A/5A
COM
1A/5A
COM
1A/5A
COM
50:0.025
COM
PHASE A PHASE B PHASE C GROUND
SENS GROUND
CURRENT INPUTS
1 TRIP
2 CLOSE
3 START
INHIBIT
4 AUXILIARY
5 AUXILIARY
6 AUXILIARY
7 CRITICAL
COMMUNICATIONS
FAILURE
RMIO
RS485 IRIG-B
-
-
-
+
+
+
F8
F7
F6
F5 F4 F3
F2 F1
1 NOT USED
2 NOT USED
3 START
INHIBIT
4 TRIP
5 AUXILIARY
6 AUXILIARY
7 CRITICAL
FAILURE
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATION
MOTOR
B1 A1
B2
-
+
chassis
gnd
POWER SUPPLY
GND STUD
BREAKER CONTROL CIRCUIT
STOP
52a
A2
B3
V
A3
START
52b
B4
A4
V
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B10
A10
B11
A11
SELF TEST ANNUNCIATOR
B12
A12
CONTACTOR CONTROL CIRCUIT
A2
B3
V
A3
B4
A4
V
B5
A5
B6
A6
B7
START
STOP
CONTACTOR
A7
COIL
B8
CC
A8
B9
A9
B10
A10
B11
A11
B12
SELF TEST ANNUNCIATOR
A12
CONTROL
POWER
+
TRIP
COIL
CLOSE
COIL
CONTROL
POWER
+
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