Data Sheet

UB10.241
U–Series
24V, 10A, DC-UPS
Mar. 2019 / Rev. 1.3a DS-UB10.241-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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10. E
FFICIENCY AND
P
OWER
L
OSSES
Efficiency typ. 97.8% Normal mode, 10A output current, battery fully charged
Power losses typ. 2.9W Normal mode, 0A output current, battery fully charged
typ. 5.5W Normal mode, 10A output current, battery fully charged
typ. 5.0W During battery charging, 0A output current
typ. 2.1W
During battery charging, to be added to power losses in
normal mode, fig.Fig. 10-2
typ. 18.5W Buffer mode, 10A output current
Fig. 10-1 Efficiency at 24V, typ.
Efficiency vs. output
current in normal mode
94.5
3 9
95.5
96.0
97.0
15A
95.0
96.5
97.5
98%
Output Current
5 7 11 13
Fig. 10-2 Losses at 24V, typ. Fig. 10-3 Losses, typ.
Power losses versus output
current in normal mode
0
0 7.5
2
3
5
15A
1
4
6
7
8W
Output Current
2.5
5 10 12.5
Power losses in buffer mode, typ.
0
0
6
5
10
15
20W
O
u
t
p
u
t
C
u
r
r
e
n
t
2 4 8 10A