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See Chinese contents: GB 16916.1-2014 GB 16916.1-2014: [GB/T 16916.1-2014] Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB) -- Part 1: General rules
This part of GB 16916 specifies the terms and definitions, technical requirements and tests of various types of RCCB. This part is applicable to the residual current operated circuit-breakers without integral overcurrent protection for household and similar uses for which the AC rated frequency is 50 Hz, 60 Hz or 50/60 Hz, the rated voltage does not exceed 440 V, the rated current does not exceed 125 A, AND the action function is independent of the power supply voltage or dependent of the power supply voltage (hereinafter referred to as RCCB).
