Puls UBC10.241, UBC10.241-N1 Circuit Diagram
U–Series
UBC10.241, UBC10.241-N1
24V, 10A, DC-UPS
10. EFFICIENCY AND POWER LOSSES
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
Fig. 10-1 Efficiency at 24V, typ. Fig. 10-2 Losses at 24V, typ.
Efficiency vs. output
current in normal mode
98%
97.5
97.0
96.5
96.0
95.5
95.0
94.5
39
t
e
n
r
r
u
C
t
u
t
p
u
O
5 7 11 13
15A
Power losses versus output
current in normal mode
8W
7
6
5
4
3
2
1
0
07.5
O
2.5 5 10 12.5
u
C
t
p
u
t
u
t
n
e
r
r
15A
11. FUNCTIONAL DIAGRAM
Fig. 11-1 Functional diagram
DC-UPS Control unit with integrated battery
Input Fuse
24V
+
Power
Input
Supply
-
&
Reverse
Polarity
Protection
Battery Charger
&
Tester
12V 5Ah battery
-
+
*
Cut-off
Relay
Fuse
Step-up
Converter
(1) (2)
Ready
Contact
Controller
(3) (4)
Buffering
Contact
Electronic
Current
Limiter
(5) (6)
Replace
Battery
Contact
+
Output
Buffered
Load
-
Status LED (green)
Diagnosis LED (yellow)
Check Wiring LED (red)
Buffer-time Limiter
10s, 30s, 1m, 3m, 10m,
(7)
Inhibit +
(8)
Inhibit -
*) Return current protection; This feature utilizes a Mosfet instead of a diode in order to minimize the voltage drop and power
losses.
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.
www.pulspower.com Phone +49 89 9278 0 Germany
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