3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
15
Status of the circuit breaker
3.1 Introduction
The 3WA air circuit breaker provides a wide range of information about the current status of
the circuit breaker and its internal accessories. Both the important status data and the
evaluation options in various applications are described below.
Display of the ETU600 electronic trip unit
Rotary switches of the ETU600 electronic trip unit
Withdrawable circuit breaker with guide frame
COM190 communication module
The most important statuses and information
• Information on the ETU600 electronic trip unit about tripping operations, warnings,
alarms, faults and maintenance information, can be called up on the ETU600 display (1)
• Status of the circuit breaker, e.g. ON, OFF and tripped, can be seen from the indicators
and buttons of the operator panel (2)
• Important metering values and limiting values, can be called up and set on the display or
the rotary switches of the ETU600 electronic trip unit (3)
• Position of withdrawable circuit breaker in the guide frame, see Item (4) above
• Status of the CubicleBUS² modules, can be called up via the COM190 communication
module (5)
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