www.pulsar.pl MSRD1024
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Fig. 2. The view of the PSU module
1.4. Specifications:
- electrical specifications (tab.2)
- mechanical specifications (tab.3)
- operating specifications (tab.4)
Electrical specifications (tab. 2).
Supply voltage
27V÷30V/AC (e.g.AWT5172430, AWT049)
Current consumption
1,6 A max.
Power frequency
50Hz
PSU power
28W
Efficiency
85%
Output voltage
22,0V÷27,6Vdc – buffer operation
20,0V÷27,6Vdc – battery-assisted operation
Output current
1A without a battery
0,8A + 0,2A battery charge
0,5A + 0,5A battery charge
Output voltage escalation, decrease, and keeping
time
20ms/40ms/12ms @Izn., Uac=min.
Voltage adjustment range
24,0 V÷ 28 V
Ripple voltage
40mV p-p max.
Current drawn by the PSU module systems
25 mA max.
Battery charging current
0,2A / 0,5A – I
BAT
jumper selectable
Short-circuit protection SCP
200% ÷ 250% of PSU module power - current limitation
and/or fuse damage in the battery circuit (fuse-element
replacement required)
Overload protection OLP
110% ÷ 150% (@25ºC÷55ºC) of PSU module power -
current limitation with the PTC resettable fuse, manual
restart (failure requires disconnection of the DC output
circuit)
Battery circuit SCP and reverse polarity
protections
2A- current limitation, F
BAT
fuse (failure requires fuse-
element replacement)
Deep discharge battery protection UVP
U<20,0 V (± 5%) – disconnection (-BAT) of the battery
