Eaton 5PX Advanced User's Manual page 41

Low-battery warning
Load
Normal mode
Normal AC source
OVL
Relay contacts
UPS
614-40094-00
This is a battery-voltage level indicating that battery power is low and that the
user must take action before the UPS shuts down.
Devices or equipment connected to the UPS output.
The normal UPS operating mode in which the AC source supplies the UPS which,
in turn, provides AC power to the connected loads.
Normal source of power for the UPS.
Overload. When the load exceeds 100% of the maximum load of the UPS.
Contacts supplying information to the user in the form of signals.
Uninterruptible Power System.
41