Pulsar HPSB 2524B, Руководство пользователя, Страница: 4 / 8

www.pulsar.pl HPSB2524B
GREEN POWER
4
Fig.2. The view of the PSU.
1.4 Specifications
- electrical parameters (tab.3)
- mechanical parameters (tab.4)
- operation safety (tab.5)
- operating parameters (tab.6)
Electrical parameters (tab. 3)
PSU type A (EPS - External Power Source)
Mains supply
176÷264V AC
Current up to 0,72A@230VAC
Power frequency 50Hz
Supply power 75W max.
Efficiency 80%
Output voltage 27,6V DC
– buffer operation
19V÷27,6V DC – battery-assisted operation
Output current t
AMB
<30°C
2,2A + 0,3A battery charge - refer to chart 1
Output current t
AMB
=40°C
1,45A + 0,3A battery charge - refer to chart 1
Voltage adjustment range 24
÷28V DC
Ripple 120mV p-p max.
Current consumption by PSU systems 75 mA
Battery charge current 0,3A max. @ 2x 7Ah (
± 5%)
Short-circuit protection SCP electronic
Overload protection OLP U>105
÷ 150% of power supply, automatic return
Battery circuit protection SCP and reverse
polarity connection
PTC polymer fuse
Surge protection varistors
Overvoltage protection OVP >32V (automatic recovery)
Excessive discharge protection UVP U<19 V (
± 5%) – disconnection of battery terminal
Sabotage protection:
- TAMPER indicates enclosure opening
- microswitch, NC contacts (enclosure closed),
0,5A@50V DC (max.)