Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses(RCCB)--Part 2.1:Applicability of the general rules to RCCB functionally independent of line voltage
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses(RCCB)--Part 2.1:Applicability of the general rules to RCCB functionally independent of line voltage