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K-System – Isolated Barriers
Mounting and Installation
Redundant Supply
Two power supplies or a redundant power supply with two power feed modules offer a high
degree of availability. If a power supply or the fuse in a power feed module fails, the redundant
supply continues to energize the isolators through their Power Rail connection.
Figure 3.9
1
Replaceable fuse
2
Power feed module 1
3
Power feed module 2
4
Power Rail
32
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
24 V DC
Redundant power connections
3
1
2
3
1
2
3
1
2
3
4
5
6
4
5
6
4
5
6
7
8
9
7
8
9
7
8
9
10
11
12
10
11
12
10
11
12
13
14 15
13
14 15
13
14
15
4
24 V DC
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