SymCom 777-TS Installation Instructions Manual page 2

Full Load Amps
2.0 - 2.5
2.6 - 3.0
3.1 - 3.5
3.6 - 4.0
4.1 - 5.0
5.1 - 6.0
6.1 - 8.0
8.1 – 12
13 – 25
26 – 90
EXTERNAL CTs REQUIRED*. SEE FIGURE 2 FOR WIRING EXTERNAL CTs.
91 - 110
111 - 160
161 - 220
221 - 320
321 - 420
421 - 520
521 - 620
621 - 800
*The high temperature signal detection may be compromised when using external CTs.
Table 1: Wiring Configuration Based on Motor Full Load Amps
Figure 1: Typical Wiring Diagram for FLA of 26-90
# of Conductors through
each Phase (A, B and C)
10
9
8
7
6
5
4
3
2
1
5
5
5
5
5
5
5
5
- 2 -
MULT Setting
(CT ratio)
10
9
8
7
6
5
4
3
2
1
100 (100:5)
150 (150:5)
200 (200:5)
300 (300:5)
400 (400:5)
500 (500:5)
600 (600:5)
800 (800:5)
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