GB/T 22794-2008 Type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses (Type B RCCBs and Type B RCBOs)
2017GB/T 22794-2017 Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
2008GB/T 22794-2008 Type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses (Type B RCCBs and Type B RCBOs)