Schweitzer Engineering Laboratories SEL-351A - Figure 8.1 Plotted Breaker Maintenance Points for a 25 Kv Circuit Breaker

8.3
Date Code 20080213 Instruction Manual SEL-351A Relay
Breaker Monitor and Metering
Breaker Monitor
Figure 8.1 Plotted Breaker Maintenance Points for a 25 kV Circuit Breaker
10,000
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
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