Vs1-12/24kv Indoor Vacuum Circuit Breaker

Product Description
ZN63(VS1)-12 series h.v vacuum breaker is h.v indoor switch device with rated voltage 12kv,three-phase AC 50Hz,imported Swiss ABB company technology,combines domestic industry development situation and production.the whole structure of product is the form of integrated installation taking switch body as operating mechanism,adopt the combination insulation structure,no pollution,no explosion danger,high insulation lever.Operating mechanism of the type products is spring energy storage type,it can be AC or DC operated,also be operated by hand.
The use of environmental conditions
1.Ambient temperature: not higher than +40 °C, not less than -15°C(at -30 °C to allow storage and transportation).
2. Altitude: not exceed 1000m.
3. Relative humidity: daily average of not more than 90%, month average of not more than 90%. saturated vapor pressure daily average of not more than 2.2 x 10-3MPa, month average not more than 1.8 x 10-3MPa.
4. Earthquake intensity: not more than eight.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
Detailed Specifications of Indoor vacuum circuit breakerItemUnitDataRated voltageKV11/12/24/33Rated currentA1250/1600/2000/25001250/1600/2500/31501250/2500/3150Rated short circuit dropout currentKA31.54050Rated short circuit close current(peak)KA80100125Rated peak withstand currentKA801001254s rated short time withstand currentKA31.54050Rated insulation levelShort time(1min)line frequency withstand voltageKV42(fracture48)Thunder impulse withstand voltageKV75(fracture85)Mechanical lifetimes10000Open circuit times of rated short circuit dropout currenttimes50Rated close brake voltage of operating mechanism(DC)V110/220Rated break brake voltage of operating mechanism(DC)V110/220Rated contactor pressureN3000±2005000±3006300±300Contactor torquemm11±1Contactor stoke(the reduction length of contact spring)mm3.5±0.5Different period of contactor break and close valvems≤2The jump time of contactor close brakems≤2Average break brake speedm/s0.9-1.2Average close brake speedm/s0.5-0.8Break brake timeUnder Max operation voltages≤0.05Under Min operation voltages≤0.08Close brake times≤0.1Main loop resistance of each phaseμΩ≤50Allowable abrasion total thickness of active and static contactormm3Features of Indoor high voltage vacuum circuit breaker