Sel SEL-421 - Breaker 1 Contact Wear; Breaker 1 Electrical Operating Time; Breaker 1 Mechanical Operating Time; Breaker 1 Inactivity Time Elapsed

R.10.13
Date Code 20111215 Reference Manual SEL-421 Relay
Settings
Breaker Monitor Settings
Table 10.22 Breaker 1 Contact Wear (and Breaker 2 Contact Wear
a
)
a
Replace 1 with 2 in the setting label and prompt.
Label Prompt Default Value
B1COSP1 Close/Open Set Point 1—BK1 (0–65000 operations) 1000
B1COSP2 Close/Open Set Point 2—BK1 (0–65000 operations) 100
B1COSP3 Close/Open Set Point 3—BK1 (0–65000 operations) 10
B1KASP1 kA Interrupted Set Point 1—BK1 (1.0–999 kA) 20.0
B1KASP2 kA Interrupted Set Point 2—BK1 (1.0–999 kA) 60.0
B1KASP3 kA Interrupted Set Point 3—BK1 (1.0–999 kA) 100.0
B1BCWAT Contact Wear Alarm Threshold—BK1 (0–100%) 90
Table 10.23 Breaker 1 Electrical Operating Time (and Breaker 2 Electrical
Operating Time
a
)
a
Replace 1 with 2 in the setting label and prompt.
Label Prompt Default Value
B1ESTRT Electrical Slow Trip Alarm Threshold—BK1
(1–999 ms)
50
B1ESCLT Electrical Slow Close Alarm Threshold—BK1
(1–999 ms)
120
Table 10.24 Breaker 1 Mechanical Operating Time (and Breaker 2 Mechanical
Operating Time
a
)
a
Replace 1 with 2 in the setting label and prompt.
Label Prompt Default Value
B1MSTRT Mechanical Slow Trip Alarm Threshold—BK1
(1–999 ms)
50
B1MSCLT Mechanical Slow Close Alarm Threshold—BK1
(1–999 ms)
120
Table 10.25 Breaker 1 Pole Scatter and Pole Discrepancy (and Breaker 2 Pole
Scatter and Pole Discrepancy
a
)
a
Replace 1 with 2 in the setting label and prompt.
Label Prompt Default Value
B1PSTRT Pole Scatter Trip Alarm Threshold—BK1 (1–999 ms) 20
B1PSCLT Pole Scatter Close Alarm Threshold—BK1 (1–999
ms)
20
B1PDD Pole Discrepancy Time Delay—BK1 (1–9999 ms) 1400
E1PDCS Pole Discrepancy Current Supervision—BK1 (Y, N) N
Table 10.26 Breaker 1 Inactivity Time Elapsed (and Breaker 2 Inactivity
Time Elapsed
a
)
a
Replace 1 with 2 in the setting label and prompt.
Label Prompt Default Value
B1ITAT Inactivity Time Alarm Threshold—BK1
(N, 1–9999 days)
365