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

32A

12

4

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

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

100A

40

20

60

80

10

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

Jan. 2015 / Rev. 2.0 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.

www.pulspower.com Phone +49 89 9278 0

Germany

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