GE 239 Instruction Manual page 20

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