The stabilization of line voltage is useful, for example, in the case of generator operation.
Note
Whenever the menu level is exited SET, the stabilization time starts again.
Indication on the display: stDel
Phase failure monitoring
If the "phase failure monitoring" parameter is activated, an immediate shutdown is carried out
in the event of a failure of one of the phases (or of the N conductor) to protect the application
from follow-on damage.
Set delay times have no eect on phase failure monitoring.
The "phase failure monitoring" parameter on the 3UG48 monitoring relays is set either locally via
the three keys on the device, or via IO‑Link.
Possible indications on the display:
Parameters
SIRIUS 3UG4 / 3RR2 monitoring relay
290 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
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