User Instructions
2 
Protection class electric shock protection 
I (first) - requires a protective conductor 
Connectors 
I/O PCB: 0,5 – 2,5 mm
2
 (AWG 26 – 12) 
output of optical signalization: 4 pins micromatch socket 
Additional accessories 
Battery wires 6,3F – 45cm, ML062 angle muff (hole 
5,2mm) 
Electrical strength of insulation: 
- between input (network) circuit and output circuits 
of power-supply 
- between input circuit and protection circuit 
- between output circuit and protection circuit 
2500 V AC min. 
1500 V AC min. 
 500 V AC min. 
Insulation resistance: 
-  between  input  circuit  and  output  or  protection 
circuit 
100 MΩ, 500 V DC  
Storage temperature 
-20ºC...+60ºC 
Vibrations and impulse waves during transport 
according to PN-83/T-42106 
1.3.  Description of terminals. 
Elements/connectors 
[Fig.1] 
Description 
[1] 
LED for DC output voltage 
[2] 
Potentiometer - output voltage adjust 
[3] 
Connector of optical signalization LED 
[4] 
Power supply output (V+, V-) 
[5] 
Battery connector (B+, B-) 
[6] 
 L-N – input voltage connectors 230 V,  
   – protective conductor connector 
1.4. Dimensions and fitting of the PSB-12V3A power supply. 



