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HPSB5524D
GREEN POWER
4
Fig.2. The view of the PSU.
1.4 Specifications:
- electrical parameters (tab.2)
- mechanical parameters (tab.3)
- operation safety (tab.4)
- operating parameters (tab.5)
Table 2. Electrical parameters
PSU type
A (EPS - External Power Source)
Mains supply
176÷264V AC 50Hz
Current up to
1,4A@230VAC max.
Supply power
155W max.
Efficiency
83%
Output voltage
22V÷27,6V DC – buffer operation
19V÷27,6V DC – battery-assisted operation
Output current t
AMB
<30°C
5A + 0,5A battery charge - refer to chart 1
3,5A + 2A battery charge - refer to chart 1
Output current t
AMB
=40°C
3,5A + 0,5A battery charge - refer to chart 1
2,5A + 2A battery charge - refer to chart 1
Voltage adjustment range
24
÷28VDC
Ripple
150mV p-p max.
Current consumption by PSU systems
100mA
Battery charge current
0,5A or 2A- jumper selectable
Short-circuit protection SCP
electronic, automatic return
Overload protection OLP
105-150% of the PSU power, automatic return
Battery circuit protection SCP and reverse
polarity connection
PTC polymer fuse
Surge protection
varistors
Overvoltage protection OVP
>32V (activation requires disconnecting the load or
supply for about 20 s.)
Excessive discharge protection UVP
U<19V (
± 5%) – disconnect of connection battery
Sabotage protection:
- TAMPER output indicating enclosure opening
- microswitch, NC contacts (enclosure closed),
0,5A@50V DC (max.)
LED indication:
- AC diode indicating AC power status
- DC diode indicating DC power status at
the PSU output
- red, normal status
– on, failure: off
- green, normal status
– on, failure: off