GE 239

2-4 239 Motor Protection Relay GE Multilin
2 INSTALLATION 2 INSTALLATION
2
Figure 2–3: TYPICAL WIRING DIAGRAM
2 CT CONNECTION
(NO GROUND)
RESIDUAL GROUND CONNECTION
ZERO SEQUENCE GROUND CONNECTION
PHASE A CT PHASE A CT
PHASE A CT
STARTER
80-300 VDC
70-265 VAC 50/60 Hz
CONTROL POWER
SUPPLY
50:0.025
GROUND CT
CONTACTOR
COIL
SWITCHGEAR
GROUND BUS
PHASE C CT PHASE C CT
PHASE C CT
PHASE B CT
PHASE B CT
L1 L1
L1L1
A
B
C
TWIST
LEADS
L2 L2
L2L2
MOTOR
L3 L3
L3L3
11
1
22
2
33
3
44
4
55
5
66
6
77
7
88
8
99
9
10 10
10
11 11
11
12 12
12
5A 5A
5A
5A 5A
5A
5A 5A
5A
5A 5A
5A
1A 1A
1A
1A 1A
1A
1A 1A
1A
COM COM
COM
COM COM
COM
COM COM
COM
COM COM
COM
PHASE A PHASE A
PHASE A
PHASE B PHASE B
PHASE B
PHASE C PHASE C
PHASE C
GROUND GROUND
GROUND
50:0.025 50:0.025
50:0.025
CONTROL
POWER
NL
START
STOP
GENERAL ALARM
CONTROL
POWER
23
24
25
NO
NO
NO
NO
IN
IN
IN
IN
IN
COM
COM
COM
COM
COM
COM
COM
COM
COM
NC
NC
NC
NC
26
27
28
29
30
31
32
33
34
43
38
44
39
45
40
46
41
47
42
SETPOINT
ACCESS
ACCESS
KEY SWITCH
EMERGENCY
RESTART
EMERGENCY
RESTART
EXTERNAL
RESET
EXTERNAL
RESET
OPTION 1
OPTION 1
OPTION 2
OPTION 2
S1
S2
S3
S4
S5
SWITCH INPUTS
OUTPUT RELAYS
RELAY #1
TRIP
RELAY #2
ALARM
RELAY #3
AUXILIARY
RELAY #4
SERVICE
CURRENT INPUTS
239 MOTOR PROTECTION RELAY
13 14
36 37
SAFETY
GROUND
FILTER
GROUND
L
+
N
-
RS485 +
RS485 -
485 GROUND
SERIAL
RTD#1
RTD#2
RTD#3
RTD TEMPERATURE SENSING
ANALOG
OUT
0-1mA
4-20mA
15
16
17
18
19
20
SHIELD
USE SHIELDED TWISTED
PAIR WIRE
RS485
THERMAL
CAPACITY
THERMISTOR
IN+
COM
21
22
48
49
50
51
52
SHIELD
HOT
COMP
RET
HOT
53
54
55
56
57
COMP
RET
HOT
COMP
RET
STATOR
THERMISTOR
STATOR
RTD
STATOR/
BEARING RTD
STATOR/
BEARING RTD
USE SHIELDED WIRE
819829B6.CDR
819751B5.DWG
NOTES:
1)
3)
4)
2)
RELAY CONTACT STATE SHOWN WITH
CONTROL POWER NOT APPLIED.
SHIELD TERMINALS ARE INTERNALLY
CONNECTED TO SAFETY GROUND
TERMINAL 13
RTD TEMPERATURE SENSING
AND ANALOG OUTPUT OPTIONAL
RELAY FACTORY DEFAULTS:
TRIP, ALARM, AUXILIARY:
SERVICE:
NON-FAILSAFE
FAILSAFE
CC
GE Power Management