GE 845

2–20 845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
ELECTRICAL INSTALLATION CHAPTER 2: INSTALLATION
Table 2-5: AC Analog
Wire Size Use the following guideline when selecting wires or lugs to connect to terminal strips A, B,
C, D, E, F, G, H, and terminal blocks J, K. Note that the first two bullets are applicable to
terminal blocks J and K only:
• 12 AWG to 22 AWG (3.3 mm
2
to 0.3 mm
2
): Single wire termination with/without 9.53
mm (0.375”) maximum diameter ring terminals.
• 14 AWG to 22 AWG (2.1 mm
2
to 0.3 mm
2
): Multiple wire termination with 9.53 mm
(0.375”) maximum diameter ring terminals. Two ring terminals maximum per circuit.
• Suggested wiring screw tightening torques are: terminal strips A-H tighten to 4.5 in-lbs
(0.5 N-m) and terminal blocks J, K to 15 in-lb (1.7 N-m).
Figure 2-22: Fiber Connector Types (S - ST)
22 FC_3 NC Critical Fail Relay
23 FC_3 COM Critical Fail Relay
24 FC_3 NO Critical Fail Relay
AC Inputs - 4 X 1/5A CT, 4 VT
Terminal Description
1 CT1_IN
2 CT1_RETURN
3 CT2_IN
4 CT2_RETURN
5 CT3_IN
6 CT3_RETURN
7 CT4_IN
8 CT4_RETURN
9 VT1_IN
10 VT1_RETURN
11 VT2_IN
12 VT2_RETURN
13 VT3_IN
14 VT3_RETURN
15 VT4_IN
16 VT4_RETURN