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UBC10.241, UBC10.241-N1
U – Series
24V, 10A, DC-UPS
May. 2008 / Rev. 1.1 DS-UBC10.241-EN
All parameters are specified at an input voltage of 24V, 10A output load, 25°C ambient and after a 5 minutes run-in time
unless otherwise noted. It is assumed that the input power source can deliver a sufficient output current.
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7/23
9. B
UFFER
T
IME
The buffer time depends on the capacity and performance of the battery as well as the load current. The diagram
below shows the typical buffer times of the standard battery.
Buffer time with 5Ah high-current battery min. 13’24’’ At 5A output current *)
min. 4’54’’ At 10A output current *)
typ. 16’15’’ At 5A output current, see Fig. 9-1 **)
typ. 6’15’’ At 10A output current, see Fig. 9-1 **)
*) Minimum value includes 20% aging and requires a fully charged (min. 24h) battery.
**) Typical value includes 10% aging and requires a fully charged (min. 24h) battery.
Fig. 9-1
Buffer time vs. output current with a 5Ah high current battery
Buffer Current
0
5 15
2
4
6
8
10A
20 10 25 30 35 45 50 40 55 60 65 70 75 80 85
Buffer Time (Minutes)
UZB12.051
90
Min.
12V 5Ah high current battery