User Instructions

www.pulsar.pl PSUPS20A12CR
6
1.4. Specifications:
- electrical specifications (tab.4)
- mechanical specifications (tab.5)
- operation safety (tab.6)
- operating specifications (tab.7)
Table 4. Electrical specifications.
PSU type
A (EPS - External Power Source)
Mains supply
~200-240 V; 50Hz
Current consumption
1,5 A
PSU’s power
264 W
Efficiency
85%
Power factor PF
>0,95 @230 V
Output voltage – Fuse base for fuse
strips16x
Output voltage – recorder
11 V÷ 13,8 V DC – buffer operation
9,5 V÷13,8 V DC – battery-assisted operation
12V DC maintained regardless of the state of battery charge
Output current t
AMB
<30°C
16x0,8 A + 5 A recorder + 2 A battery charging*
16x0,7 A + 5 A recorder + 4 A battery charging*
16x0,4 A + 5 A recorder + 8 A battery charging*
Total current of the receivers + battery 20 A* max.
* see chart 1
Output current t
AMB
=40°C
16x0,4 A + 5 A recorder + 2 A battery charging*
Total current of the receivers + battery 14 A
*
max.
* see chart 1
Output voltage adjustment range
12-14 V DC
Ripple voltage
120mV p-p max.
PSU current consumption
0,3 A
Battery charging current
(batteries 2x17Ah connect in parallel)
2 A, 4 A,8 A jumper selectable
Approximate backup time
2h
Short-circuit protection SCP
2x STRIP LB8: 16x F 1 A glass fuse,
Output filter 1xF 5 A
Overload protection OLP
105% ÷ 150% of the PSU power, automatic recovery
Battery circuit protection SCP and reverse
polarity connection
glass fuse 30 A
Surge protection
varistors
Over voltage protection OVP
>16 V (activation requires disconnecting the load or supply for
about 20 s.)
Deep discharge protection UVP
U<9,5 V (± 5%) – disconnection of battery terminal
Sabotage protection:
- TAMPER output indicating enclosure
opening
- micro-switches, NC contacts (enclosure closed),
0,5A@50V DC (max.)
Optical indication: front panel of the PSU
- AC OK.; LED indicating the AC power
status
- DC OK.; LED indicating the DC supply at
the PSU output
- red, normal status – on, failure: off
- green, normal status – on, failure: off
*
See chart 1