Description
2.5 Electronic trip unit ETU600
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
121
2.5.6 DAS+ maintenance mode
The ETU600 electronic trip unit offers the possibility of activating the maintenance mode
DAS+ using the operating keys on the display and parameterization of the desired signal
state (LOW/HIGH) of the digital ETU input.
Activation / deactivation using the operating keys on the display of the ETU600
Activation
Activate the maintenance mode DAS+ of the 3WA circuit breaker with ETU600 electronic
trip unit locally by pressing the F2 operating key on the start screen.
Maintenance mode DAS+ switched on
The activated maintenance mode DAS+ is indicated by the blue LED DAS+ as well as on
the display of the ETU600:
• Alarm window above the menu bar, see graphic above
• In the status bar via the DAS+ symbol
Deactivation
In this case, the maintenance mode DAS+ must also be deactivated again with the F2
operating key, because the maintenance mode DAS+ must always be deactivated in the
same way as it was activated.
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