Communication
Liebert
®
GXT4
™
42
5.4 Remote Emergency Power Off
The UPS is equipped with a Remote Emergency Power Off (REPO) connector.
The user must supply a means of interfacing with the REPO circuit to allow disconnecting the UPS
input feeder breaker to remove all sources of power to the UPS and connected equipment to comply
with national and local wiring codes and regulations.
REPO switch connection diagram
CAUTION
To maintain safety (SELV) barriers and electromagnetic compatibility, signal cables should
be shielded and run separately from power cables.
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Normally closed switch system
(fail-safe)
UPS ships with REPO jumper
installed allowing the UPS
to operate
Opening the REPO connection will disable the UPS.
Manual restart using the front panel is required after
the REPO connection is closed again.
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