OMICRON 103
Circuit breaker data
15.1 Operating mechanism data
The following table describes the data of the circuit breaker’s operating mechanism.
Conversion tables
To perform motion measurements on a circuit breaker a travel transducer needs to be applied to the
mechanical linkage. One goal of the motion measurement method is the assessment of the main
contacts within the interrupter unit. However, the interrupter units are not accessible by the motion
sensor directly. Therefore the sensors are applied to the connecting rod or the drive lever on the outside
of the interrupter unit. In order to still be able to get the motion path of the main contacts, you can
calculate it based on the measurements taken by the motion sensor.
Table 15-2: Operating mechanism data
Data Description
Number of trip coils Number of trip coils to operate the circuit breaker
Number of close coils Number of close coils to operate the circuit breaker
Component Operating mechanism’s component
Rated voltage Rated voltage of the operating mechanism’s component
Rated current Rated current of the operating mechanism’s component
DC Select the DC check box to set the component’s DC operation
AC Select the AC check box to set the component’s AC operation
Frequency AC operation frequency
Rated operating
pressure
1
1. Only available for the hydraulic and pneumatic operating mechanisms
Rated operating pressure of the operating mechanism at given temperature
Conversion tables
Name Name of the conversion table
Comment Comment on the conversion table
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