TAVRIDA ELECTRIC ISM Shell_2 Series, Applications Manual

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Secondary Part
Secondary Connections of the ISM
All ISM have the same terminals (Figure 46). Connected to the terminal blocks XT1 and XT2 are 13 auxiliary switches
(6 “NO”- and 7 “NC”-contacts) and the magnetic actuator coils. Cables for terminal blocks XT1 and XT2 can be
installed at right, left or bottom side as shown in figure 46.
Figure 46
ISM cable entry points
XT1 XT2
Terminal No. Connection Terminal No. Connection
1 Auxiliary switch S 1 (1) 15 Auxiliary switch S13 (AS1)
2 Auxiliary switch S 1 (4) 16 Auxiliary switch S 13 (AS2)
3 Auxiliary switch S 2 (1) 17 Auxiliary switch S 7 (1)
4 Auxiliary switch S 2 (4) 18 Auxiliary switch S 7( 2)
5 Auxiliary switch S 3 (1) 19 Auxiliary switch S 8 (1)
6 Auxiliary switch S 3 (4) 20 Auxiliary switch S 8 (2)
7 Auxiliary switch S 4 (1) 21 Auxiliary switch S 9 (1)
8 Auxiliary switch S 4 (4) 22 Auxiliary switch S 9 (2)
9 Auxiliary switch S 5 (1) 23 Auxiliary switch S 10 (1)
10 Auxiliary switch S 5 (4) 24 Auxiliary switch S 10 (2)
11 Auxiliary switch S 6 (1) 25 Auxiliary switch S 11 (1)
12 Auxiliary switch S 6 (4) 26 Auxiliary switch S 11 (2)
13 Actuator coil (SC1) 27 Auxiliary switch S 12 (1)
14 Actuator coil (SC2) 28 Auxiliary switch S 12 (2)
Terminal arrangement ISM
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