Schweitzer Engineering Laboratories SEL-351A - Figure 8.6 Breaker Monitor Accumulates 50 Percent Wear

8.10
SEL-351A Relay Instruction Manual Date Code 20080213
Breaker Monitor and Metering
Breaker Monitor
Figure 8.6 Breaker Monitor Accumulates 50 Percent Wear
10,000
100%
1000
2
3
4
5
6
7
8
9
100
2
3
4
5
6
7
8
9
10
2
3
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5
6
7
8
9
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50
40
30
20
10
.5
Number of Close/Open Operations
kA Interrupted per Operation
25%
50%
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