Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO's) - Part 2-1: Applicability of the general rules to RCBO's functionally independent of line voltage
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This clause of Part 1 is applicable, except as follows: Replace the first paragraph by the following: This standard applies to residual current operated circuit-breakers with integral overcurrent protection (RCBO's) functionally independent of line voltage, for household and similar uses incorporating overcurrent protection having rated voltages not exceeding 440 V a.c. rated currents not exceeding 125 A and rated short-circuit capacities not exceeding 25 000 A, for operation at 50 Hz or 60 Hz.
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