ZN85-40.5 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV indoor switch equipment.
? Installation way: withdrawable type;
? Operating mechanism: spring operating mechanism;
? Pole type: assembled pole, embedded pole;
? Application: switchgear KYN61-40.5.
? Secondary plug: 58pins, 64pins.
※ Environmental Conditions
? Ambient temperature: -15℃~+40℃;
? Altitude: ≤1000m;
? Relative humidity: daily average ≤95%, monthly average ≤90%；
? Earthquake intensity: ≤8 level;
? Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense Vibration.
|2||Rated insulation level||Power frequency withstand voltage 1min (effective value）||kV||95|
|Lightning impulse withstand voltage (effective value)||kV||185|
|5||Rated short-time withstand current||kA||25 31.5|
|6||Rated peak withstand current||kA||63 80|
|7||Rated short-circuit breaking current||kA||25 31.5|
|8||Rated short circuit making current(peak value)||kA||63 80|
|9||Rated Shoort -circuit Continuing Time||S||4|
|10||Rated operating sequence||C-0.3s-CO-180s-CO|
|12||Rated short circuit breaking current times||Time||20|
|13||Single capacitor unit breaking current||A||630|
|15||Rated operating voltage||V||AC/DC 110,220|
|16||Rated single back-to-back capacitor device current||A||400|
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