International Electrotechnical Commission <br/><br/>
Project IEC 60947-7-1-2009; Low-voltage switchgear and controlgear part 7-1; Ancillary equipment terminal blocks for cooper conductors 

 - 3.0 
 - Geneva  International Electrotechnical Commission  2009 
 - 34 
<br/><br/><label>Universal Decimal Class. No.: </label> /