background image

www.pulsar.pl 

 

 

 

 

PSBOC502418 

 

 

 

 

 
 

1.4 Specifications: 

- electrical specifications (tab.2) 
- mechanical specifications (tab.3) 
- operation safety (tab.4) 
- operating specifications (tab.5) 

 

     Electrical specifications (tab. 2). 

Mains supply 

176 ÷ 264V AC 

Current consumption 

0,6A@230VAC max.  

PSU power  

50W max.  

Efficiency 

77% 

Output voltage 

22V÷ 27,6V DC – buffer operation 
19V÷27,6V DC – battery-assisted operation 

Output current t

AMB

<30°C 

1,5A + 0,3A battery charge 

– see chart 1 

Output current t

AMB

=40°C 

1A + 0,3A battery charge - see chart 1 

Voltage adjustment range 

24÷28V DC 

Ripple voltage 

150 mV p-p max. 

Current consumption by PSU systems 

50 mA  

Battery charging current 

0,3A 

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 

Surge protection 

varistors 

Surge over voltage protection OVP 

>32V  (automatic recovery) 

Deep discharge protection UVP 

U<19

V (± 5%) – disconnection of the battery terminal 

Technical outputs: 
- EPS; output indicating AC power failure 
 
 
- PSU; output indicating DC absence/PSU 
failure 
 
- LoB; output indicating battery low 
voltage 
 
 

 
- relay type: 1A@ 30VDC/50VAC 
- OC type, 50mA max., normal status: L (0V) level, failure: hi-Z level 
 
- relay type: 1A@ 30VDC/50VAC, 
- OC type, 50mA max., normal status: L (0V) level, failure: hi-Z level  
 
- relay type: 1A@ 30VDC/50VAC, 
- OC type, 50mA max., normal status: (U

BAT

 >23V): L (0V) level, 

 failure: (U

BAT

 <23V): hi-Z level 

The power supply unit does not feature a battery detection function. 

 
 
 
Temperature characteristics. 

 

 

 
 
 
 
 

Chart 1.  
Acceptable output current from the PSU 
depending on ambient temperature. 
 

 

 
 
 
 
 
 
 
 
 
 
 
 

Содержание PSBOC502418

Страница 1: ...PSBOC502418 v 1 1 PSBOC 27 6V 1 8A OC Enclosed buffer switch mode power supply unit with technical outputs EN Edition 9 from 01 03 2018 Supercedes edition 8 from 01 06 2016...

Страница 2: ...S 1 Technical description 1 1 General description 1 2 Block diagram 1 3 Description of PSU components and connectors 1 4 Specifications 2 Installation 2 1 Requirements 2 2 Installation procedure 3 Ope...

Страница 3: ...sence technical output relay type 5 PSU output indicating DC absence PSU failure relay type 6 LoB output indicating battery low voltage relay type 7 EPS AC absence technical output OC type 8 PSU outpu...

Страница 4: ...oad protection OLP 105 150 of power supply automatic recovery Battery circuit protection SCP and reverse polarity connection polymer fuse Surge protection varistors Surge over voltage protection OVP 3...

Страница 5: ...able Vibrations and impulse waves during transport PN 83 T 42106 2 Installation 2 1 Requirements The buffer PSU is to be mounted by a qualified installer holding relevant permits and licenses applicab...

Страница 6: ...ccordance with the signs colours 7 Once the tests and operation control have been completed the enclosure cabinet can be locked Fig 3 Mechanical view of the PSU 3 Operating status indication 3 1 LED i...

Страница 7: ...el 0V In case of decrease of battery voltage UBAT 23V the output is switched into high impedance state hi Z relay output In case of a battery voltage drop UBAT 23V the contacts of the relay change ove...

Страница 8: ...e and to collect such WEEE separately The power supply unit is adapted for a sealed lead acid battery SLA After the operation period it must not be disposed of but recycled according to the applicable...

Отзывы: