OMICRON 235
Off-service diagnostic methods
Disconnection
Do not disconnect the circuit breaker but leave it connected for performing the next test. For
disconnecting the circuit breaker, see "Disconnection" on page 245.
Table 17-74: Auxiliary contact characteristics
1
1. Only calculated for O and C sequences
Data Description
Contact Name of the auxiliary contact of the circuit breaker under test
Phase Phase to which the auxiliary contact belongs
Type Type of the auxiliary contact (a, b, wiper)
Switching time Closing or opening time of the auxiliary contact depending on its type
Duration Duration the wiper contact remains closed
Diff. to main Time difference between the opening or closing of the auxiliary contact and
the corresponding main contact
Assessment Assessment of auxiliary contact characteristics
Table 17-75: Coil characteristics
Data Description
Peak current Peak current value through a trip or close coil
Average current Average current through the coil (see Average coil current/voltage
settings in Table 17-71: "Advanced settings of the Timing (CSM) test" on
page 232)
Average voltage Average voltage applied to the coil (see Average coil current/voltage
settings in Table 17-71: "Advanced settings of the Timing (CSM) test" on
page 232)
Resistance Calculated resistance of the coil
Assessment Assessment of coil characteristics
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