The Etu600 Electronic Trip Unit As An Information Center - Siemens SENTRON 3WA System Manual

Status of the circuit breaker

3.2 The ETU600 electronic trip unit as an information center

3.2 The ETU600 electronic trip unit as an information center
The ETU600 electronic trip unit of the 3WA air circuit breaker provides a wide range of
information:
• Tripping cause
• Status of the ETU
• Status of the mechanical system
• Status of position of withdrawable circuit breaker in the guide frame
• Information about the DAS+ maintenance mode
• Active warnings
• Active alarms
• ETU error messages (self-monitoring and diagnostics function of ETU600)
• Status of the main contacts of the circuit breaker
The information can be called up via registry entries.
16
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02