Section II
General Product Information
006-0006504 02/27/18
Rev R
14 of 56
UPS-3000 Guide
www.synqor.com
Total Output Power that can be derived from the AC INPUT
The total UPS output power (the AC OUTPUT power plus the optional DC OUTPUT power) for
the UPS-3000 series is rated at 2500 W for an ambient temperature as high as 55
o
C (131
o
F). It
draws this power first from the AC INPUT (if its voltage is within range) and then the DC INPUT
(if its voltage is within range) and then from the internal BATTERY PACK (if it has sufficient
charge).
However, when the AC INPUT voltage is at the low end of its range (<90 Vrms) or the ambient
temperature is at the high end of its range (>45
o
C/113
o
F) the UPS will not be able to deliver its
full rated output power in the steady-state without switching over to either the DC INPUT (if it
is available and >22 Vdc) or its internal battery. Figure 2 indicates the total steady-state output
power that the UPS can derive from the AC INPUT under these extreme conditions. See Figure
3 for information on transient conditions.
0
400
800
1200
1600
2000
2400
2800
25
30
35
40
45
50
55
Output
Power
(Watts)
Air Temperature (°C)
UPS Output Power vs. Air Temperature
V
AC(IN)
>105V
RMS
or V
DC(IN)
>22V or
power drawn from the battery
V
AC(IN)
= 90V
RMS
and V
DC(IN)
<22V and
power not drawn from the battery
V
AC(IN)
= 80V
RMS
and V
DC(IN)
<22V and
power not drawn from the battery
Figure 2: UPS Output Power vs. Air Temperature.
• If the AC INPUT voltage is above 105 Vrms, then the UPS can deliver its full rated output power
of 2500 W from the AC INPUT for an ambient temperature as high as 55
o
C (131
o
F) without
needing to switch over to the optional DC INPUT or the internal BATTERY PACK.
• If the AC INPUT is between 90 Vrms and 80 Vrms then the total output power that can be
derived from the AC INPUT linearly decreases from 2500 W at 90 Vrms to 2000 W at 80 Vrms
(except for at the high end of the ambient temperature range – see below). For example, the
total output power that could be derived from the AC INPUT would be 2250 W at 85 Vrms as
long as the ambient temperature is not above 50
o
C (122
o
F). If the total output power is greater
than this derated value, the UPS will switch to the DC INPUT (if it is available and >22 V) or the
internal BATTERY PACK.
