Jun. 2020 / Rev.0.1 DS-UB40.241-EN All values are typical figures specified at 24Vdc input voltage, 40A output current in
power supply mode at 25°C ambient, no charging and after a 5 minutes run-in time unless otherwise noted.
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-25°C to +70°C (-13°F to 158°F)
Operational temperature is the same as the ambient or
surrounding temperature and is defined as the air
temperature 2cm below the unit.
-40°C to +85°C (-40°F to 185°F)
For storage and transportation
1A/°C
2.5A/1000m or 5°C/1000m
Between +50°C and +70°C (122 - 158°F), see Fig. 17-1
For altitudes above 2000m (6560ft), see Fig. 17-2
The de-rating is not hardware controlled. The user has to take this into consideration to stay below
the de-rated current limits in order not to overload the unit.
According to IEC 60068-2-30
See Fig. 17-2 for details
See Fig. 17-2 for details
Impulse withstand voltages
Between input and chassis (according to IEC 60664-1 over-
voltage category II)
According to IEC 60664-1, not conductive
2-17.8Hz: ±1.6mm;
17.8-500Hz: 2g
2 hours / axis
According to IEC 60068-2-6
30g 6ms, 20g 11ms
3 bumps per direction, 18 bumps in
total
According to IEC 60068-2-27
Shock and vibration are tested in combination with DIN-Rails according to EN 60715 with a height of
15mm and a thickness of 1.3mm.
Fig. 17-1 Output current vs. ambient temp.
Fig. 17-2 Output current vs. altitude
Allowed Output Current
0
-25 0 50 70°C
30A
40A
60A
60
A
Ambient Temperature
A... continuous
B... short term (5s)
B
50A
2000m 5000m
40A
60A
Altitude
Allowed Output Current
A... Tamb < 40°C
B... Tamb < 50°C
C... Tamb < 60°C
D... Short term (5s)
C
AP
*)
80kPa
54kPa110kPa
0m
*) Atmospheric pressure
short term (5s)
continuous
4000m
62kPa
50A
B
32.5A
A
continuous
D
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