GE 339

CHAPTER 2: INSTALLATION ELECTRICAL INSTALLATION
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 2–21
Terminal
identification - Input/
Output “R”
Figure 2-24: 339 Terminal identification with switching device as BREAKER
Figure 2-25: Terminal identification with switching device as CONTACTOR
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
INPUT 6
INPUT 7
INPUT 8
INPUT 9
INPUT 10
INPUT COM
CHASSIS GND
PHASE A CT
PHASE B CT
PHASE C CT
GND CT
PHASE A VT
PHASE B VT
PHASE C VT
CBCT
PHASE A CT
PHASE B CT
PHASE C CT
GND CT
PHASE A VT
PHASE B VT
PHASE C VT
CBCT
■
■
■
■
■
■
■
■
IRIG-B +
IRIG-B -
RS485 +
RS485 -
RS485 COM
CHASSIS GND
NOT CONNECTED
NOT CONNECTED
POWER SUPPLY +
CHASSIS GND
TRIP COM
CLOSE COM
START INHIBIT N/O
RTD 1 HOT
NOT USED
START INHIBIT N/C
CRIT FAIL COM
RTD 2 HOT
RTD 3 HOT
RTD RETURN
POWER SUPPLY -
NOT USED
CLOSE N/O
START INHIBIT COM
CRIT FAIL N/C
RTD 1 COMP
NOT USED
TRIP N/O
CRIT FAIL N/O
RTD 2 COMP
RTD 3 COMP
RTD SHIELD
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
5
6
7
8
9
10
11
12
AB C DE
F
1
2
3
4
5
6
7
8