Data Sheet

UB20.241
UB-Series
24V, 20A, DC-UPS
Fig. 4-6 Select an appropriate power supply,
which can deliver the additional current for
charging and internal consumption the DC-UPS
Fig. 4-7 Battery mode:
Output voltage vs. output current, typ.
Output Voltage
0
020
4
8
12
28V
16
20
32A124 8 16 24 28
Output Current
continuous
Hiccup
mode
for 4s
24
26V
22.5V
Internal
current
consumption
Current
consumption
for battery
charging
Output
Current
Input
Current
Fig. 4-8 Battery mode: Hiccup
PLUS
behavior during
a short-circuit on output, typ.
Fig. 4-9 Battery mode:
Dynamic peak current behavior, typ.
Output Voltage (dynamic behavior, < 25ms)
0
0
4
8
12
28V
16
20
100A4020 60 8010 30 50 70 90
26V
22.5V
24
Output Current
Output Current
0
31A
17s 17s
17s
2s
2s
2s
t
Short -
circuit
Normal
load
Normal
load
Feb. 2016 / Rev. 2.1 DS-UB20.241-EN
All parameters are specified at 24V, 20A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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