Schweitzer Engineering Laboratories SEL-351A - Figure 8.7 Breaker Monitor Accumulates 100 Percent Wear

8.11
Date Code 20080213 Instruction Manual SEL-351A Relay
Breaker Monitor and Metering
Breaker Monitor
Figure 8.7 Breaker Monitor Accumulates 100 Percent Wear
Additionally, logic outputs assert for alarm or other control applications. See
the following discussion.
10,000
100%
1000
2
3
4
5
6
7
8
9
100
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
123456789
50
40
30
20
10
.5
Number of Close/Open Operations
kA Interrupted per Operation
50%
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