Datasheet

UB10.241
U–Series
24V, 10A, DC-UPS
18. ENVIRONMENT
Operational temperature -25°C to +70°C (-13° to +158°F) For the DC-UPS control unit.
Keep battery in a cooler environment!
+60°C to +70°C (+140°F to +158°F),
Derating 0.43A/°C
normal mode see
Fig. 18-1
+60°C to +70°C (+140°F to +158°F),
0.25A/°C
buffer mode see
Fig. 18-2
Storage temperature -40 to +85°C (-40° to +185°F) Storage and transportation, except battery
Humidity 5 to 95% r.H. IEC 60068-2-30
Do not energize while condensation is present
Vibration sinusoidal 2-17.8Hz: ±1.6mm; 17.8-500Hz: 2g IEC 60068-2-6
Shock 30g 6ms, 20g 11ms IEC 60068-2-27
Altitude 0 to 6000m Approvals apply only up to 2000m
Over-voltage category III EN 50178
II EN 50178 above 2000m altitude
16/23
Degree of pollution 2 EN 50178, not conductive
Fig. 18-1 Output current vs. ambient temperature Fig. 18-2 Output current vs. ambient temperature
Allowable Output
Current in Normal Mode
0
-25 0 20 40
70°
C
2.5
5
7.5
10
12.5
15A
c
o
n
t
i
n
u
o
u
s
60
Ambient Temperature
Allowable Output
Current in Buffer Mode
0
-25 0 20 40
70°
C
2.5
5
7.5
10
12.5
15A
c
o
n
t
i
n
u
o
u
s
60
Ambient Temperature
f
o
r
t
y
p
.
5
s
The ambient temperature is defined 2cm below the unit.
19. PROTECTION FEATURES
Output protection Electronically protected against overload, no-load and short-circuits
Output over-voltage protection
in buffer mode
typ. 32Vdc
max. 35Vdc
In case of an internal defect, a redundant circuitry
limits the maximum output voltage. The output
automatically shuts-down and makes restart attempts.
Degree of protection IP20 EN/IEC 60529
Penetration protection > 3.5mm E.g. screws, small parts
Reverse battery polarity protection yes Max. –35Vdc;
Wrong battery voltage protection yes Max. +35Vdc (e.g. 24V battery instead of 12V battery)
Battery deep discharge protection yes The limit is battery current dependent
Over temperature protection yes Output shut-down with automatic restart
Input over-voltage protection yes Max. 35Vdc, no harm or defect of the unit
Internal input fuse 25A, blade type No user accessible part, no service part
June. 2010 / Rev. 1.3 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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