www.pulsar.pl
HPSB5048C
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
1,5A@230VAC max.
Supply power
270W max.
Efficiency
85%
Power factor PF
>0,95 @230V AC
Output voltage
44V÷ 54V DC – buffer operation
38V÷ 54V DC – battery-assisted operation
Output current t
AMB
<30°C
4,5A + 0,5A battery charge - refer to chart 1
4A + 1A battery charge - refer to chart 1
3A + 2A battery charge - refer to chart 1
Output current t
AMB
=40°C
3A + 0,5A battery charge - refer to chart 1
2,5A + 1A battery charge - refer to chart 1
1,5A + 2A battery charge - refer to chart 1
Voltage adjustment range
48
÷56VDC
Ripple
150mV p-p max.
Current consumption by PSU systems
110mA
Battery charge current
0,5A, 1A 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
melting fuse
Surge protection
varistors
Overvoltage protection OVP
62V (
activation requires disconnecting the load or
supply for about 20 s.)
Excessive discharge protection UVP
U<38V (
± 5%) – disconnect of connection battery
Sabotage protection:
- TAMPER output indicating enclosure opening
- microswitch, NC contacts (enclosure closed),
0,5A@50V DC (max.)
