International Electrotechnical Commission <br/><br/>
IEC 61009-2-2:2024; Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs) - Part 2-2: RCBOs according to classification 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6 

 - Ed.2.0 
 - Geneva  IEC  2024 
 - 40p.