Operating instructions

www.pulsar.pl          EN54-3A28              RED POWER 
36
9. Technical parameters. 
Electrical parameters (Table 12). 
Mechanical parameters (Table 13). 
Safety of use (Table 14). 
Recommended types and sections of installation cables (Table 15) 
Table 12. Electrical parameters. 
Functional class PN-EN 12101-10:2007  A 
Mains supply  230V AC (-15%/+10%) 
Current consumption  0,56A @230V AC 
Power frequency  50Hz 
PSU’s power  83W 
Efficiency  84% 
Output voltage at 
20 ºC 
22,0V÷ 27,6V DC – buffer operation 
20,0V÷ 27,6V DC – battery-assisted operation 
Output current  Continuous operation 
Output current Imax a=1,5A 
Instantaneous operation 
  Output current Imax b=3A 
Maximal resistance of the battery circuit  300mΩ 
Ripple voltage  90mV p-p max. 
Current consumption by the PSU 
during battery-assisted operation 
I = 78mA 
Caution ! If the power supply is connected with the 
communication interface or fuse module, additional current 
consumption should be considered. 
Battery charging current  1,5A 
Coefficient of temperature compensation of the 
battery voltage 
-40mV/ ºC (-5 ºC ÷ 40 ºC) 
Low battery voltage indication  Ubat < 23V, during battery mode 
Overvoltage protection OVP 
U>30,5V, disconnection of the output voltage ( AUX+ 
disconnection), automatic return 
Short-circuit protection SCP 
F5A – current limit, F
AUX
 melting fuse (failure requires fuse 
replacement) 
Overload protection OLP  Hardware - Software 
Battery circuit protection SCP and reverse 
polarity connection 
F6,3A- current limit, F
BAT
 melting fuse (failure requires fuse 
replacement) 
Deep discharge battery protection UVP  U<20V (± 2%) – disconnection (+BAT) of the batteries, 
TAMPER output indicating enclosure opening  Microswitch TAMPER 
- type – electronic, max 50mA/30V DC, galvanic isolation 
1500V
RMS
- delay time approximately 10s/1m/10m/30m (+/-5%) – 
configured from the LED panel 
Technical outputs: 
- EPS FLT; indicating AC power failure 
- APS FLT; indicating battery failure 
- PSU FLT; indicating PSU failure 
- ALARM; indicating collective failure 
- type – electronic, max 50mA/30V DC, galvanic isolation 
1500V
RMS 
EXTi technical input 
Voltage „ON” – 10÷30V DC 
Voltage „OFF” – 0÷2V DC 
Level of galvanic isolation 1500V
RMS
EXTo relay output  1A@ 30V DC /50V AC 
Optical indication: 
- LEDs on the PCB of the power supply unit, 
- LED panel 
•  output current readings 
•  output voltage readings: AUX1, AUX2 
•  resistance of the battery circuit 
•  mains supply voltage 
•  failure codes and history 
Acoustic indication: 
- piezoelectric indicator ~75dB /0,3m, switched from the LED 
panel 










