Siemens Argus 7SR21 Technical Manual page 200

Instrument
Target
CB Freq Ops Count
Count
Target
CB Wear
Phase A 0.00MA^2s
Phase B 0.00MA^2s
Phase C 0.00MA^2s
CB Wear Remaining
Phase A
Phase B
Phase C
CB Trip Time
0.0ms
© 2017 Siemens Protection Devices Limited
Description
100
Displays the number of CB trips experienced by the CB over the last rolling 1 hr
0
period. When the target is reached the relay will only do 1 Delayed Trip to
Lockout.
10
Displays the current measure of circuit breaker wear.
Displays the current measure of circuit breaker wear remaining
100%
100%
100%
Displays the trip time for the circuit breaker.
7SR220 Instrumentation Guide
Page 15 of 20