GB 16916.22-2008 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB) - Part 22:Applicability of the general rules to RCCB functionally dependent of line voltage
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB) - Part 22:Applicability of the general rules to RCCB functionally dependent of line voltage