GE 339

2–20 339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION
Figure 2-23: Terminal identification with switching device as CONTACTOR - Non-
drawout
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
INPUT 6
INPUT 7
INPUT 8
INPUT 9
INPUT 10
INPUT COM
CHASSIS GND
1
2
3
4
5
6
7
8
9
10
11
12
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
■
■
■
■
■
■
■
5
6
7
8
9
10
11
12
POWER SUPPLY -
POWER SUPPLY +
CHASSIS GND
START INHIBIT N/C
START INHIBIT N/O
TRIP COM
AUX 5 N/C
AUX 5 N/O
AUX 6 COM
CRIT FAIL N/C
CRIT FAIL N/O
START INHIBIT COM
TRIP N/C
TRIP N/O
AUX 5 COM
AUX 6 N/C
AUX 6 N/O
CRIT FAIL COM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
IRIG-B +
IRIG-B -
RS485 +
RS485 -
RS485 COM
CHASSIS GND
RMIO+
RMIO-
1
2
3
4
5
6
7
8
5
6
7
8
9
10
11
12