9 – 10
9.1.5 Indicators
Scope of indications depends on the type of trip unit.
Trip unit is activated
I > I
min
- or when 24 V auxiliary power is applied.
I
min
:
-80 A for frame size II
- 150 A for frame size III
Flashing LED
Overcurrent alarm
-Steady LED, if
I I
R
Communication active
- Another CublicleBUS module has been
recognized and communication started.
Extended protective function has tripped
- due to metering function
- trip cause saved in event memory
- trip cause readable via:
˘ BDA
˘ PROFIBUS-DP / MODBUS
˘ graphical display (ETU776)
˘ external digital output modules
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