APC GALAXY 5000 - Manual (Page 68)

3400181300/AE
7. Appendices
7.3 Glossary
Backup time Time that the connected loads can operate on battery power.
Bypass AC source Source supplying the bypass line. The load can be transferred to the bypass line if an overload
occurs on the UPS output, for maintenance or in the event of a malfunction.
ECO mode Operating mode by which the load is supplied directly by the AC source if it is within the
tolerances defined by the user. This mode reduces the consumption of electrical power.
External
synchronisation port Input used to synchronise the UPS to an external signal.
Fin UPS input frequency (normal or Bypass AC input).
Load Devices or systems connected to the UPS output.
Normal (double
conversion) mode
The normal UPS operating mode in which the AC source supplies the UPS which in turn supplies
the connected loads (after electronic double conversion).
Normal AC source Normal source of power for the UPS.
PFC Sinusoidal input module used to eliminate the harmonics reinjected by the UPS upstream.
Relay contacts Contacts supplying information to the user in the form of signals.
Uin UPS input voltage (normal or Bypass AC input).
Uout UPS output voltage.
UPS Uninterruptible Power Supply.