Description
2.8 Electronic trip unit ETU
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
54 Manual, 10/2018, L1V30499596002-01
Display elements (ETUs of the 6-series)
The central visualization element of the ETU of the 6-series is the display. Alongside this, an
LED and warning displays are used:
● LED ACT: ETU ready indicator
● Warning displays: See Chapter Alarms (Page 203)
● Test and info button: Enables test tripping in conjunction with a test device or with
another power source and indication of the last reason for tripping after a fault by short
activation of the display. This is enabled by a button cell inside the ETU without any
external power supply.
Menus and menu structure (ETUs of the 6-series)
The display shows the main menu on the start screen:
Display of information, faults, and warnings
The symbols stand for the following areas:
Protection functions
Enhanced protection
functions
Metering functions
Settings
Test functions
Information
Some menu areas contain multiple levels.
You will find the entire menu structure in the Annex, Chapter Menu structure of the ETUs of
the 6-series (Page 272).
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