JSA - JIS C 4603
High voltage AC circuit breakers
| Organization: | JSA |
| Publication Date: | 20 November 2019 |
| Status: | active |
| Page Count: | 59 |
| ICS Code (Switches): | 29.120.40 |
scope:
This Japanese Industrial Standard 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).
This Standard shall apply to the circuit breakers of 3.6 kV in the rated voltage and 16 kA or under in the rated breaking current, and those of 7.2 kV in the rated voltage and 12.5 kA or under in the rated breaking current.
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