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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 

 

 

 

 
 
 

 
 
 

 

 
 

 
 
 

 
 

              

 

 

 
 
 

 
 
 

 

 
       

 

 

 

 

 

 
 
 
 

Summary of Contents for PSBOC502418

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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