GB 16917.22-2008 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO) - Part 22:Applicability of the general rules to RCBO functionally dependent of line voltage
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO) - Part 22:Applicability of the general rules to RCBO functionally dependent of line voltage