International Electrotechnical Commission <br/><br/>
IEC: 60947-2 - 2009(Amendment No.1); Low-voltage switchgear and controlgear part-2 - Circuit-breakers 

 - 4.0 
 - Feneva  International Electrotechnical Commission  2009 
 - 57 
<br/><br/><label>Universal Decimal Class. No.: </label> /