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HPSBOC1824B  

         

 

4

 

 
 

Element no. 

 [Fig. 3] 

Description 

[1] 

PSU module 

[2] 

TAMPER,  contact, sabotage protection (NC) 

Tab.2. Output terminals of the PSU. 

 

 

Fig.3. 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) 

Mains supply 

176÷264V AC 

Current up to 

0.6A@230VAC  

Supply power 

50W max.  

Efficiency 

77% 

Output voltage 

22V÷ 27,6V DC 

– buffer operation 

19V÷27,0V DC – battery-assisted operation 

Output current 

1,5A + 0,3A battery charge 

Output current t

AMB

<30°C 

1,5 A + 0,3A  battery charge - refer to chart  1 

Output current t

AMB

=40°C 

1 A + 0,3A battery charge - refer to chart 1 

Voltage adjustment range 

24÷28V DC 

Ripple 

150mV p-p max. 

Current consumption by PSU systems

 

30 mA

 

Battery charge current 

0,3A max. @ 2x 7Ah (± 5%) 

Short-circuit protection SCP 

Electronic, automatic recovery 

Overload protection OLP 

105-150% of power supply, automatic recovery

 

Battery circuit protection SCP and reverse 
polarity connection 

polymer fuse 

Summary of Contents for HPSBOC 1824B

Page 1: ...HPSBOC 1824B v 1 0 HPSBOC 27 6V 1 5A 2x7Ah OC Buffer switch mode power supply unit with automatic operation control EN Edition 2 from 07 03 2013 Supersedes edition 1 from 13 02 2013...

Page 2: ...r PSU is intended for uninterrupted supply to devices that require stabilised voltage of 24 V DC 15 The PSU provides voltage of U 27 6 V DC with output current of I 1 5A 0 3A for battery charge In cas...

Page 3: ...e 4 FAC AC absence technical output relay type 5 FAC AC absence technical output OC type 6 FPS output indicating DC absence PSU failure OC type 7 FLB output indicating battery low voltage OC type 8 VA...

Page 4: ...y 77 Output voltage 22V 27 6V DC buffer operation 19V 27 0V DC battery assisted operation Output current 1 5A 0 3A battery charge Output current tAMB 30 C 1 5 A 0 3A battery charge refer to chart 1 Ou...

Page 5: ...ers tab 4 Enclosure dimensions 285 x 297 x 80 8 280 x 292 x 80 WxHxD Fixation See figure 3 Fitting battery 2x 7Ah 12V SLA max Net gross weight 2 20kg 2 40kg Enclosure Steel plate DC01 0 7mm colour RAL...

Page 6: ...over the user shall be informed about the method of unplugging usually through assigning an appropriate fuse in the fuse box The electrical system shall follow valid standards and regulations 2 2 Inst...

Page 7: ...s permanently illuminated In case of decrease of battery voltage UBAT 23V the diode is off 3 2 Technical outputs The PSU has indication outputs FAC absence of AC supply output OC type output that indi...

Page 8: ...switched into a battery assisted operation The PSU is equipped with the discharged battery disconnection system During the battery assisted operation reducing voltage below 19V at the battery terminal...

Page 9: ...t within 14 days from the delivery to the service centre of the manufacturer 6 The repair period mentioned in item 5 may be prolonged if there are no technical possibilities to carry out the repairs o...

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