User manual
UB10.241
U–Series
24V, 10A, DC-UPS
Apr. 2007 / Rev. 1.1 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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4/22
6. OUTPUT IN NORMAL MODE
Output voltage in normal mode
nom. DC 24V The output voltage follows the input voltage reduced by
the input to output voltage drop.
Voltage drop between input and
output
max. 0.3V At 10A output current, see Fig. 6-1 for typical values
max. 0.45V At 15A output current, see Fig. 6-1 for typical values
Ripple and noise voltage max. 20mVpp 20Hz to 20MHz, 50Ohm *)
Output current nom. 15A Continuously allowed
Output power nom. 360W Continuously allowed
Short-circuit current min. 17.9A Load impedance 100mOhm, see Fig. 6-2 for typical values
max. 21A Load impedance 100mOhm, see Fig. 6-2 for typical values
Capacitive and inductive loads No limitation
*) This figure shows the ripple and noise voltage which is generated by the DC-UPS. The ripple and noise voltage
might be higher if the supplying source has a higher ripple and noise voltage.
Fig. 6-1 Input to output voltage drop, typ.
Fig. 6-2 Output voltage vs. output current in
normal mode at 24V input, typ.
Input to Output
Voltage drop
0
02 10
0.1
0.15
0.25
18A
0.05
0.2
0.3
0.35
0.4V
O
u
t
p
u
t
C
u
r
r
e
n
t
4 6 8 12 14 16
Output Voltage
0
0 5 10 15 20
4
8
12
28V
16
20
24
25A
Output Current