This standard specifies current-operated earth leakage circuit breakers (hereinafter referred to as earth leakage circuit breakers) with a rated current of 2500A or less, used for ground fault protection of electrical circuits with a frequency of 50Hz or 60Hz and 600V AC or less.
JIS C 8371:1992 history
2011JIS C 8201-2-1:2011 Low-voltage switchgear and controlgear -- Part 2-1: Circuit-breakers
2004JIS C 8201-2-1:2004 Low-voltage switchgear and controlgear -- Part 2-1: Circuit-breakers
1992JIS C 8371:1992 Residual current operated circuit breakers