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5. Appendices
5.2 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.
Load
Devices or systems connected to the UPS output.
Manual bypass
Rotary switch controlled by the user, used to connect the loads directly to the
AC source.
Transfer of the load to the manual bypass enables UPS maintenance without
interrupting the supply of power to the connected loads.
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.
Relay contacts
Contacts supplying information to the user in the form of signals.
UPS
Uninterruptible Power Supply.
The operating temperature is 0 to 40°C (8 hours at 45°C), however optimum operation is within the +20
z
to +25°C range.
Battery backup time is adversely affected by high and low temperatures. It is significantly reduced at
z
temperatures under 10°C. Above 25°C, battery service life is cut in half every 10°C. Above 40°C, battery
manufacturers no longer guarantee operation due to the risk of thermal runaway.
◗
Air enters through the front and exits through the back.
Thermal characteristics
EX RT CLA module
AC input voltage: 160-280 Volts AC,
z
Input frequency: 40-70 Hz,
z
Battery charge current: 6 A DC,
z
Recharge time to recover 90% of the rated backup time after discharge at full load:
z
Configuration for
2 hours backup time
Configuration for
4 hours backup time
Configuration for
8 hours backup time
EX RT 5
5 hours
12 hours
20 hours
EX RT 7
5 hours
12 hours
20 hours
EX RT 11
7 hours
15 hours
24 hours
Summary of Contents for EX RT 5 3:1
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