07/25/03
-2-
CONTROL POWER 277 VAC OR LESS
DISPLAY / PROGRAM
L3-L
1
L
B E
+
O
V
AVG
T
L1-L
2
L2-L3
C
N
T
C
E
A
A
G AV
G
R
R
U
RD2
UCTD
CUB
LV
MULT
UC
OC
HV
VUB
RD1
TC
GF
RUN
#RU / ADDR
RD3
#RF
MODE SELECT
L1
L2
L3
NO
C
NC
MODEL 777-FT
OVERLOAD RELAY
LOW RANGE, 20-90 AMPS
DISPLAY MESSAGE
RESET/
PROGRAM
800-843-8848
SYMCOM, INC.
RAPID CITY, SD
FIGURE 1: TYPICAL WIRING DIAGRAM FOR 26-90 FLA
FULL LOAD AMPS
NUMBER OF
LOOPS
NUMBER OF
CONDUCTORS
THROUGH A, B, and C
MULT PROGRAM
SETTING
2.0 - 2.5
9
10
10
2.6 - 3.0
8
9
9
3.1 - 3.5
7
8
8
3.6 - 4.0
6
7
7
4.1 - 5.0
5
6
6
5.1 - 6.0
4
5
5
6.1 - 8.0
3
4
4
8.1 - 12
2
3
3
13 - 25
1
2
2
26 - 90
0
1
1
EXTERNAL CTs REQUIRED. SEE FIGURE 2 FOR WIRING EXTERNAL CTs.
91 - 110
4
5
100 (100:5 CT)
111 - 160
4
5
150 (150:5 CT)
161 - 220
4
5
200 (200:5 CT)
221 - 320
4
5
300 (300:5 CT)
321 - 420
4
5
400 (400:5 CT)
421 - 520
4
5
500 (500:5 CT)
521 - 620
4
5
600 (600:5 CT)
621 - 800
4
5
800 (800:5 CT)
TABLE 1: WIRING CONFIGURATION BASED ON MOTOR FLA
