GE 850 - Page 80

2–24 850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION
Table 2-4: AC Analog
NOTE
NOTE:
For 850-P, the ground input of all three CTs can be used if a 4th 3-Phase CT is required.
AC Inputs - 1 X 3-Phase 1/5A CT, 4 VT
850-E Slot J (P1/P5), 850-D Slot J/K (P1/P5),
850-P Slot J (P1/P5)
AC Inputs - 1 X 1/5A CT
850-E Slot K (NN), 850-D Slot K (NN)
Terminal Description Terminal Description
1 CT1 PhA 1 RESERVED
2 CT1 PhA RETURN 2 RESERVED
3 CT1 PhB 3 RESERVED
4 CT1 PhB RETURN 4 RESERVED
5 CT1 PhC 5 RESERVED
6 CT1 PhC RETURN 6 RESERVED
7 CT1 N/G
or CT Isg (850-D only)
7 CT2_IN
or CT Isg
8 CT1 N/G RETURN
or CT Isg RETURN (850-D only)
8 CT2_RETURN
or CT Isg RETURN
9 VT1A IN 9 RESERVED
10 VT1A RETURN 10 RESERVED
11 VT1B IN 11 RESERVED
12 VT1B RETURN 12 RESERVED
13 VT1C IN 13 RESERVED
14 VT1C RETURN 14 RESERVED
15 VT1N IN 15 RESERVED
16 VT1N RETURN 16 RESERVED
AC Inputs - 1 X 3-Phase 1/5A CT, 2 LEA
850-P Slot J (L1/L5)
AC Inputs - 8 X 1/5A CT
850-P Slot K (R1/R5)
Terminal Description Terminal Description
1CT1 PhA IN 1CT2 PhA IN
2 CT1 PhA RETURN 2 CT2 PhA RETURN
3CT1 PhB IN 3CT2 PhB IN
4 CT1 PhB RETURN 4 CT2 PhB RETURN
5CT1 PhC IN 5CT2 PhC IN
6 CT1 PhC RETURN 6 CT2 PhC RETURN
7 CT1 N/G IN 7 CT2 N/G IN
8 CT1 N/G RETURN 8 CT2 N/G RETURN
9LEA 1A 9CT3 PhA IN
10 LEA 1B 10 CT3 PhA RETURN
11 LEA 1C 11 CT3 PhB IN
12 LEA 1N 12 CT3 PhB RETURN
13 LEA 2A 13 CT3 PhC IN
14 LEA 2B 14 CT3 PhC RETURN
15 LEA 2C 15 CT3 N/G IN
16 LEA 2N 16 CT3 N/G RETURN