Ju
ne
20
18
Legrand PDU User Guide 479
Default Voltage and Current Thresholds
The following are factory-default voltage and current thresholds applied to a Legrand power product. There
are no default values set for
lower
current thresholds because lower thresholds are not useful.
Availability of diverse thresholds depends on the capability of the model you purchased.
Single-phase inlets or outlets:
RMS voltage:
Threshold
Default value
Lower critical
-6% of minimum rating
Lower warning
-3% of minimum rating
Upper warning
+3% of maximum rating
Upper critical
+6% of maximum rating
Hysteresis 2V
RMS current:
Threshold
Default value
Upper warning
65% of rating
Upper critical
80% of rating
Hysteresis 1A
Multi-phase inlets or outlets:
Line-Line RMS voltage:
Threshold
Default value
Lower critical
-6% of minimum rating
Lower warning
-3% of minimum rating
Upper warning
+3% of maximum rating
Upper critical
+6% of maximum rating
Hysteresis 2V
Line RMS current:
Threshold
Default value
Upper warning
65% of rating
Upper critical
80% of rating
Hysteresis 1A
