JIS C 4603:2019 specifies the requirements for high-voltage indoor AC circuit breakers to be used in high-voltage receiving installations of 3.3 kV or 6.6 kV in the nominal voltage at 50 Hz or 60 Hz in the frequency (hereafter referred to as the circuit breakers).
JIS C 4603:2019
Original price was: $116.00.$58.00Current price is: $58.00.
High voltage AC circuit breakers
Japanese Industrial Standard / Japanese Standards Association , 01/01/2019
