International Electrotechnical Commission <br/><br/>
IEC: 62271-100  - 2008-04; High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers 

 - 2.0 
 - IEC, Geneva  IEC  2008 
 - 695 
<br/><br/> Downloaded from IEC website 
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