ZW32-12 outdoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV outdoor switch equipment.
? Installation way: pole mounted;
? Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;
? Pole type: assembled pole, integrated pole,embedded pole;
? Application: outdoor 12kV substation, power plant.
? Operation type: manual, electric, remote control.
※ Product Standards
? IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
? GB1984 High Voltage AC Circuit-breakers
? GB/T11022 Common Specifications for High-voltage Switchgear and Control gear Standards
? JB/T 3855 High Voltage AC Vacuum Circuit-breakers
? DL/T402 Specification of High-voltage AC Circuit-breakers
※ Environmental Conditions
? Ambient temperature: -35°C ~ +45°C;
? Altitude: ≤1000m;
? Wind speed ≤ 35m/s;
? Earthquake intensity: ≤8 level;
? Filthy level: IV;
? Installation places: No fire, explosion hazard or serious filthy.3
|Dry||kV||To earth 、phase to phase 42 Fracture 48|
|Wet||external insulation 34|
|Lightning impulse withstand voltage (peak)||To earth 、phase to phase 75 Fractu re 85|
|5||Rated short-circuit breaking cu rrent||kA||12.5/16/20|
|6||Rated short-circuit closed cu rrent (peak)||kA||50|
|7||Rated peak withstand cu rrent||kA||50|
|8||Rated short-t ime withstand current(4s)||kA||20|
|9||Rated operating sequence||O-0.3s-CO-180s-CO|
|10||switch on/opening time||ms||25~50/15~50|
|11||Rated short-circu1t breaking current breaki ng times||Times||30|
|13||The control circuit and auxiliary circuit 1 min power frequency withstard voltage||v||2000|
|14||Rated operating voltage and auxiliary circuit rated voltage||v||DC220/AC220|
|Tripping current precision||%||± 1|
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