TY - BOOK AU - I.E.C. TI - IEC: 61009-2-1(1991-07); Residual current operated circuit- breakers with integral overcurrent protection for household and similar uses(RCBO's):Part2-1: Applicability of the general rules to RCBO's functionally independent of line voltage PY - 1991/// CY - GENEVA PB - IEC ER -