This standard specifies that the main contact point is connected to a circuit and used for ground fault protection, with a rated voltage of 1 000 V alternating current.
KS C 4613-2011 history
2022KS C 4613-2022 Circuit-breaker incorporating residual current protection for industrial uses(CBR)
2019KS C 4613-2019 Circuit-breaker incorporating residual current protection for industrial uses(CBR)
2011KS C 4613-2011 Circuit-breaker incorporating residual current protection for industrial uses(CBR)