Parameters
Parameter
Description
Range
Default
Recommended
Line
Voltage
Average phase to phase
line voltage
190-600
208
Nameplate
Voltage
Delay On
Break
Amount of time between
the load de-energizing and
re-energizing
0-10
minutes
.1
minute
4 minutes**
Fault Inter-
rogation
Amount of time before
the load de-energizes due
to a non-critical fault*
0-15
seconds
15
seconds
7-8 seconds**
%
Over/Under
Voltage
Maximum/minimum phase
to phase average voltage,
respectively
2-25%
20%
12-15%**
% Phase
Unbalance
Amount of allowable
voltage unbalance
2-20%
20%
4-5%**
Reset
Mode
AUTO or number of
times the load can be
re-energized after a load
side fault before a manual
reset is necessary
Note: When monitoring
line side only, the
reset mode will
always be AUTO
AUTO,
0-10
AUTO
AUTO
Control
Mode
With control mode set
to OFF, the load will
energize if no 3- phase
fault conditions exist;
with control mode ON,
the load will energize if no
fault conditions exist and
control voltage is present
at terminals 1 and 3 of
the ICM450
ON
or
OFF
ON
Based on wiring
* Non-critical faults are faults such as High/Low Voltage and Phase Unbalance.
Critical faults, such as Phase Loss and Phase Reversal, have a fault
interrogation of under 2 seconds and it is not user adjustable.
** For best recommendations, consult manufacturer of equipment.
